./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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.5.1.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 --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 dbfd30746a885b9515f914ecf1282b7cce3374e505c2f59173500b59d4c3c5b9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 15:14:23,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 15:14:23,291 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 15:14:23,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 15:14:23,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 15:14:23,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 15:14:23,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 15:14:23,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 15:14:23,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 15:14:23,316 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 15:14:23,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 15:14:23,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 15:14:23,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 15:14:23,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 15:14:23,316 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 15:14:23,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 15:14:23,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 15:14:23,318 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 15:14:23,318 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 15:14:23,318 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 15:14:23,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 15:14:23,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 15:14:23,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 15:14:23,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 15:14:23,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 15:14:23,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 15:14:23,318 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 15:14:23,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 15:14:23,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 15:14:23,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 15:14:23,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 15:14:23,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 15:14:23,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 15:14:23,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 15:14:23,319 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 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 -> dbfd30746a885b9515f914ecf1282b7cce3374e505c2f59173500b59d4c3c5b9 [2025-03-03 15:14:23,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 15:14:23,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 15:14:23,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 15:14:23,566 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 15:14:23,566 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 15:14:23,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2025-03-03 15:14:24,675 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6cf9bf78/3701082472bd41d6b0c6a11058a8295b/FLAGb8bdfd209 [2025-03-03 15:14:24,971 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 15:14:24,972 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2025-03-03 15:14:24,987 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6cf9bf78/3701082472bd41d6b0c6a11058a8295b/FLAGb8bdfd209 [2025-03-03 15:14:25,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6cf9bf78/3701082472bd41d6b0c6a11058a8295b [2025-03-03 15:14:25,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 15:14:25,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 15:14:25,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 15:14:25,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 15:14:25,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 15:14:25,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:25,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b75528f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25, skipping insertion in model container [2025-03-03 15:14:25,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:25,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 15:14:25,495 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2025-03-03 15:14:25,506 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2025-03-03 15:14:25,511 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2025-03-03 15:14:25,513 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2025-03-03 15:14:25,519 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2025-03-03 15:14:25,521 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2025-03-03 15:14:25,525 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2025-03-03 15:14:25,532 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2025-03-03 15:14:25,534 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2025-03-03 15:14:25,539 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2025-03-03 15:14:25,544 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2025-03-03 15:14:25,559 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2025-03-03 15:14:25,562 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2025-03-03 15:14:25,565 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2025-03-03 15:14:25,571 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2025-03-03 15:14:25,579 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2025-03-03 15:14:25,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 15:14:25,679 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 15:14:25,721 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2025-03-03 15:14:25,731 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2025-03-03 15:14:25,735 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2025-03-03 15:14:25,737 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2025-03-03 15:14:25,740 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2025-03-03 15:14:25,742 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2025-03-03 15:14:25,744 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2025-03-03 15:14:25,749 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2025-03-03 15:14:25,750 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2025-03-03 15:14:25,752 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2025-03-03 15:14:25,756 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2025-03-03 15:14:25,763 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2025-03-03 15:14:25,765 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2025-03-03 15:14:25,767 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2025-03-03 15:14:25,770 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2025-03-03 15:14:25,775 WARN L250 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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2025-03-03 15:14:25,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 15:14:25,849 INFO L204 MainTranslator]: Completed translation [2025-03-03 15:14:25,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25 WrapperNode [2025-03-03 15:14:25,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 15:14:25,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 15:14:25,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 15:14:25,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 15:14:25,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:25,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:25,965 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3579 [2025-03-03 15:14:25,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 15:14:25,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 15:14:25,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 15:14:25,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 15:14:25,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:25,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:25,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:26,030 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 15:14:26,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:26,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:26,057 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:26,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:26,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:26,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:26,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 15:14:26,115 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 15:14:26,115 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 15:14:26,115 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 15:14:26,116 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (1/1) ... [2025-03-03 15:14:26,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 15:14:26,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 15:14:26,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 15:14:26,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 15:14:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 15:14:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 15:14:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 15:14:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 15:14:26,304 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 15:14:26,305 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 15:14:27,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4000: havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~39#1; [2025-03-03 15:14:27,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5190: havoc main_~node5____CPAchecker_TMP_0~14#1;havoc main_~node5__m5~30#1; [2025-03-03 15:14:27,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4069: havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~40#1; [2025-03-03 15:14:27,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1427: havoc main_~node3__m3~3#1; [2025-03-03 15:14:27,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L503: havoc main_~node2__m2~2#1; [2025-03-03 15:14:27,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2552: havoc main_~node5__m5~14#1; [2025-03-03 15:14:27,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4534: havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~45#1; [2025-03-03 15:14:27,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5526: havoc main_~node5____CPAchecker_TMP_0~16#1;havoc main_~node5__m5~32#1; [2025-03-03 15:14:27,828 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4998: havoc main_~node3____CPAchecker_TMP_0~4#1;havoc main_~node3__m3~8#1; [2025-03-03 15:14:27,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2686: havoc main_~check__tmp~26#1;havoc main_~node5__m5~15#1; [2025-03-03 15:14:27,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3611: havoc main_~node4____CPAchecker_TMP_0~3#1;havoc main_~node4__m4~11#1; [2025-03-03 15:14:27,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290: havoc main_~node4__m4~7#1; [2025-03-03 15:14:27,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2026: havoc main_~node5__m5~10#1; [2025-03-03 15:14:27,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1630: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2025-03-03 15:14:27,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4603: havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~46#1; [2025-03-03 15:14:27,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L706: havoc main_~node4____CPAchecker_TMP_0~1#1; [2025-03-03 15:14:27,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2622: havoc main_~check__tmp~25#1; [2025-03-03 15:14:27,829 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4340: havoc main_~node5____CPAchecker_TMP_0~9#1;havoc main_~node5__m5~25#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5068: havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~51#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4870: havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~49#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1501: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L246: havoc main_~node1____CPAchecker_TMP_0~0#1;havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2163: havoc main_~node5__m5~11#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3947: havoc main_~node4____CPAchecker_TMP_0~4#1;havoc main_~node4__m4~12#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L314: havoc main_~node5____CPAchecker_TMP_0~0#1;havoc main_~node5__m5~0#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L975: havoc main_~node5__m5~3#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5137: havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~52#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4939: havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~50#1; [2025-03-03 15:14:27,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1240: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2025-03-03 15:14:27,831 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4676: havoc main_~node5____CPAchecker_TMP_0~11#1;havoc main_~node5__m5~27#1; [2025-03-03 15:14:27,831 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2761: havoc main_~node4__m4~9#1; [2025-03-03 15:14:27,831 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5404: havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~55#1; [2025-03-03 15:14:27,831 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2233: havoc main_~check__tmp~20#1; [2025-03-03 15:14:27,831 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L384: havoc main_~node2__m2~1#1; [2025-03-03 15:14:27,831 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L847: havoc main_~node1____CPAchecker_TMP_0~1#1; [2025-03-03 15:14:27,831 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1772: havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~14#1; [2025-03-03 15:14:27,831 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1442: havoc main_~node4__m4~4#1; [2025-03-03 15:14:27,832 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3094: havoc main_~node5____CPAchecker_TMP_0~2#1;havoc main_~node5__m5~18#1; [2025-03-03 15:14:27,832 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L518: havoc main_~node3__m3~2#1; [2025-03-03 15:14:27,832 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5473: havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~56#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~37#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2305: havoc main_~node5__m5~12#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3891: havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~38#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5015: havoc main_~node4____CPAchecker_TMP_0~7#1;havoc main_~node4__m4~15#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3628: havoc main_~node5____CPAchecker_TMP_0~5#1;havoc main_~node5__m5~21#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3430: havoc main_~node5____CPAchecker_TMP_0~4#1;havoc main_~node5__m5~20#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2439: havoc main_~check__tmp~23#1;havoc main_~node5__m5~13#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4289: havoc main_~node2____CPAchecker_TMP_0~2#1;havoc main_~node2__m2~4#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4158: havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~41#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L591: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1318: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2375: havoc main_~check__tmp~22#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node2__m2~0#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4227: havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~42#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1981: havoc main_~node2__m2~3#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5351: havoc main_~node4____CPAchecker_TMP_0~8#1;havoc main_~node4__m4~16#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1189: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3964: havoc main_~node5____CPAchecker_TMP_0~7#1;havoc main_~node5__m5~23#1; [2025-03-03 15:14:27,833 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L661: havoc main_~node5____CPAchecker_TMP_0~1#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3041: havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~28#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L927: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L399: havoc main_~node3__m3~1#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L796: havoc main_~node2____CPAchecker_TMP_0~1#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1721: havoc main_~node4__m4~5#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1457: havoc main_~node5__m5~6#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L533: havoc main_~node4__m4~2#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3308: havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~31#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4498: havoc main_~node5____CPAchecker_TMP_0~10#1;havoc main_~node5__m5~26#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5226: havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~53#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1130: havoc main_~node4__m4~3#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2121: havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~18#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3377: havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~32#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1594: havoc main_~node5__m5~7#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5295: havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~54#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5032: havoc main_~node5____CPAchecker_TMP_0~13#1;havoc main_~node5__m5~29#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4834: havoc main_~node5____CPAchecker_TMP_0~12#1;havoc main_~node5__m5~28#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~24#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2522: havoc main_~node3__m3~5#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4306: havoc main_~node3____CPAchecker_TMP_0~3#1;havoc main_~node3__m3~7#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1664: havoc main_~check__tmp~13#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5562: havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~57#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1996: havoc main_~node3__m3~4#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5631: havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~58#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L280: havoc main_~node3____CPAchecker_TMP_0~0#1;havoc main_~node3__m3~0#1; [2025-03-03 15:14:27,834 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4376: havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~43#1; [2025-03-03 15:14:27,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: havoc main_~node5____CPAchecker_TMP_0~15#1;havoc main_~node5__m5~31#1; [2025-03-03 15:14:27,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2858: havoc main_~node5__m5~17#1; [2025-03-03 15:14:27,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L414: havoc main_~node4__m4~1#1; [2025-03-03 15:14:27,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3255: havoc main_~node4____CPAchecker_TMP_0~2#1;havoc main_~node4__m4~10#1; [2025-03-03 15:14:27,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1736: havoc main_~node5__m5~8#1; [2025-03-03 15:14:27,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4445: havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~44#1; [2025-03-03 15:14:27,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2199: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~19#1; [2025-03-03 15:14:27,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L548: havoc main_~node5__m5~2#1; [2025-03-03 15:14:27,835 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1870: havoc main_~check__tmp~16#1;havoc main_~node5__m5~9#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3786: havoc main_~node5____CPAchecker_TMP_0~6#1;havoc main_~node5__m5~22#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L483: havoc main_~node1__m1~2#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4712: havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~47#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1145: havoc main_~node5__m5~4#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2070: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~17#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1806: havoc main_~check__tmp~15#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L751: havoc main_~node3____CPAchecker_TMP_0~1#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4781: havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~48#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3130: havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~29#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4122: havoc main_~node5____CPAchecker_TMP_0~8#1;havoc main_~node5__m5~24#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2801: havoc main_~check__tmp~27#1;havoc main_~node5__m5~16#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3594: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node3__m3~6#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2537: havoc main_~node4__m4~8#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1282: havoc main_~node5__m5~5#1; [2025-03-03 15:14:27,836 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3199: havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~30#1; [2025-03-03 15:14:27,837 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4323: havoc main_~node4____CPAchecker_TMP_0~5#1;havoc main_~node4__m4~13#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2341: havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~21#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2011: havoc main_~node4__m4~6#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3664: havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~35#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3466: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~33#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1352: havoc main_~check__tmp~9#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L362: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1552: havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~11#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L429: havoc main_~node5__m5~1#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L297: havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node4__m4~0#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3733: havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~36#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3535: havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~34#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4659: havoc main_~node4____CPAchecker_TMP_0~6#1;havoc main_~node4__m4~14#1; [2025-03-03 15:14:27,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3272: havoc main_~node5____CPAchecker_TMP_0~3#1;havoc main_~node5__m5~19#1; [2025-03-03 15:14:27,939 INFO L? ?]: Removed 539 outVars from TransFormulas that were not future-live. [2025-03-03 15:14:27,939 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 15:14:27,960 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 15:14:27,961 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 15:14:27,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 03:14:27 BoogieIcfgContainer [2025-03-03 15:14:27,964 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 15:14:27,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 15:14:27,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 15:14:27,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 15:14:27,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 03:14:25" (1/3) ... [2025-03-03 15:14:27,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a50ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 03:14:27, skipping insertion in model container [2025-03-03 15:14:27,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 03:14:25" (2/3) ... [2025-03-03 15:14:27,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a50ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 03:14:27, skipping insertion in model container [2025-03-03 15:14:27,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 03:14:27" (3/3) ... [2025-03-03 15:14:27,985 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2025-03-03 15:14:27,994 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 15:14:27,997 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c that has 1 procedures, 626 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2025-03-03 15:14:28,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 15:14:28,057 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2cad5ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 15:14:28,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2025-03-03 15:14:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 626 states, 609 states have (on average 1.8505747126436782) internal successors, (1127), 625 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-03 15:14:28,077 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:28,078 INFO L218 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] [2025-03-03 15:14:28,078 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:28,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:28,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1172963650, now seen corresponding path program 1 times [2025-03-03 15:14:28,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:28,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733277331] [2025-03-03 15:14:28,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:28,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:28,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-03 15:14:28,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-03 15:14:28,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:28,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:28,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:28,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733277331] [2025-03-03 15:14:28,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733277331] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:28,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:28,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:14:28,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491539239] [2025-03-03 15:14:28,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:28,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 15:14:28,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:28,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 15:14:28,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 15:14:28,615 INFO L87 Difference]: Start difference. First operand has 626 states, 609 states have (on average 1.8505747126436782) internal successors, (1127), 625 states have internal predecessors, (1127), 0 states have call successors, (0), 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 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:29,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:29,038 INFO L93 Difference]: Finished difference Result 971 states and 1686 transitions. [2025-03-03 15:14:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 15:14:29,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2025-03-03 15:14:29,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:29,051 INFO L225 Difference]: With dead ends: 971 [2025-03-03 15:14:29,051 INFO L226 Difference]: Without dead ends: 519 [2025-03-03 15:14:29,056 INFO L434 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 [2025-03-03 15:14:29,057 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 2570 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:29,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 644 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:29,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-03-03 15:14:29,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2025-03-03 15:14:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 503 states have (on average 1.2982107355864811) internal successors, (653), 518 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 653 transitions. [2025-03-03 15:14:29,112 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 653 transitions. Word has length 71 [2025-03-03 15:14:29,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:29,112 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 653 transitions. [2025-03-03 15:14:29,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 653 transitions. [2025-03-03 15:14:29,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-03 15:14:29,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:29,114 INFO L218 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] [2025-03-03 15:14:29,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 15:14:29,115 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:29,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:29,115 INFO L85 PathProgramCache]: Analyzing trace with hash 800276058, now seen corresponding path program 1 times [2025-03-03 15:14:29,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:29,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61569933] [2025-03-03 15:14:29,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:29,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:29,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-03 15:14:29,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-03 15:14:29,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:29,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:29,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:29,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:29,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61569933] [2025-03-03 15:14:29,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61569933] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:29,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:29,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:14:29,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63819702] [2025-03-03 15:14:29,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:29,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 15:14:29,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:29,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 15:14:29,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 15:14:29,302 INFO L87 Difference]: Start difference. First operand 519 states and 653 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:29,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:29,650 INFO L93 Difference]: Finished difference Result 1068 states and 1394 transitions. [2025-03-03 15:14:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 15:14:29,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2025-03-03 15:14:29,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:29,653 INFO L225 Difference]: With dead ends: 1068 [2025-03-03 15:14:29,656 INFO L226 Difference]: Without dead ends: 659 [2025-03-03 15:14:29,657 INFO L434 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 [2025-03-03 15:14:29,659 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 2238 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2238 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:29,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2238 Valid, 505 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:14:29,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2025-03-03 15:14:29,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 599. [2025-03-03 15:14:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 583 states have (on average 1.3807890222984562) internal successors, (805), 598 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:29,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 805 transitions. [2025-03-03 15:14:29,686 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 805 transitions. Word has length 72 [2025-03-03 15:14:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:29,686 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 805 transitions. [2025-03-03 15:14:29,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 805 transitions. [2025-03-03 15:14:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-03 15:14:29,688 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:29,688 INFO L218 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] [2025-03-03 15:14:29,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 15:14:29,688 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:29,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:29,689 INFO L85 PathProgramCache]: Analyzing trace with hash 835041638, now seen corresponding path program 1 times [2025-03-03 15:14:29,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:29,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122994781] [2025-03-03 15:14:29,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:29,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:29,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-03 15:14:29,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-03 15:14:29,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:29,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:29,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:29,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:29,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122994781] [2025-03-03 15:14:29,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122994781] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:29,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:29,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:14:29,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164788532] [2025-03-03 15:14:29,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:29,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 15:14:29,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:29,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 15:14:29,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 15:14:29,900 INFO L87 Difference]: Start difference. First operand 599 states and 805 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:30,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:30,107 INFO L93 Difference]: Finished difference Result 1088 states and 1493 transitions. [2025-03-03 15:14:30,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 15:14:30,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2025-03-03 15:14:30,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:30,109 INFO L225 Difference]: With dead ends: 1088 [2025-03-03 15:14:30,109 INFO L226 Difference]: Without dead ends: 564 [2025-03-03 15:14:30,110 INFO L434 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 [2025-03-03 15:14:30,111 INFO L435 NwaCegarLoop]: 307 mSDtfsCounter, 1539 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:30,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 319 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 15:14:30,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-03-03 15:14:30,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 564. [2025-03-03 15:14:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 548 states have (on average 1.3941605839416058) internal successors, (764), 563 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 764 transitions. [2025-03-03 15:14:30,122 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 764 transitions. Word has length 73 [2025-03-03 15:14:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:30,123 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 764 transitions. [2025-03-03 15:14:30,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 764 transitions. [2025-03-03 15:14:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-03 15:14:30,126 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:30,126 INFO L218 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] [2025-03-03 15:14:30,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 15:14:30,126 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:30,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:30,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1944489486, now seen corresponding path program 1 times [2025-03-03 15:14:30,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:30,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086093741] [2025-03-03 15:14:30,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:30,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:30,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-03 15:14:30,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-03 15:14:30,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:30,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:30,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:30,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086093741] [2025-03-03 15:14:30,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086093741] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:30,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:30,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:14:30,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695855444] [2025-03-03 15:14:30,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:30,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 15:14:30,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:30,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 15:14:30,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 15:14:30,230 INFO L87 Difference]: Start difference. First operand 564 states and 764 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:30,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:30,429 INFO L93 Difference]: Finished difference Result 1053 states and 1450 transitions. [2025-03-03 15:14:30,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 15:14:30,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2025-03-03 15:14:30,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:30,432 INFO L225 Difference]: With dead ends: 1053 [2025-03-03 15:14:30,432 INFO L226 Difference]: Without dead ends: 548 [2025-03-03 15:14:30,433 INFO L434 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 [2025-03-03 15:14:30,433 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 1469 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:30,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1469 Valid, 309 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 15:14:30,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2025-03-03 15:14:30,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2025-03-03 15:14:30,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 532 states have (on average 1.3984962406015038) internal successors, (744), 547 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 744 transitions. [2025-03-03 15:14:30,442 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 744 transitions. Word has length 74 [2025-03-03 15:14:30,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:30,443 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 744 transitions. [2025-03-03 15:14:30,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 744 transitions. [2025-03-03 15:14:30,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-03 15:14:30,444 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:30,444 INFO L218 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] [2025-03-03 15:14:30,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-03 15:14:30,444 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:30,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:30,445 INFO L85 PathProgramCache]: Analyzing trace with hash 623483510, now seen corresponding path program 1 times [2025-03-03 15:14:30,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:30,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668801695] [2025-03-03 15:14:30,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:30,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:30,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-03 15:14:30,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-03 15:14:30,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:30,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:30,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:30,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668801695] [2025-03-03 15:14:30,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668801695] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:30,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:30,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 15:14:30,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432726314] [2025-03-03 15:14:30,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:30,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 15:14:30,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:30,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 15:14:30,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 15:14:30,549 INFO L87 Difference]: Start difference. First operand 548 states and 744 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:30,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:30,781 INFO L93 Difference]: Finished difference Result 1037 states and 1428 transitions. [2025-03-03 15:14:30,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 15:14:30,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2025-03-03 15:14:30,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:30,783 INFO L225 Difference]: With dead ends: 1037 [2025-03-03 15:14:30,783 INFO L226 Difference]: Without dead ends: 543 [2025-03-03 15:14:30,784 INFO L434 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 [2025-03-03 15:14:30,784 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 1414 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:30,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 282 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 15:14:30,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2025-03-03 15:14:30,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 543. [2025-03-03 15:14:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.396584440227704) internal successors, (736), 542 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 736 transitions. [2025-03-03 15:14:30,793 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 736 transitions. Word has length 75 [2025-03-03 15:14:30,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:30,794 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 736 transitions. [2025-03-03 15:14:30,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 736 transitions. [2025-03-03 15:14:30,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-03 15:14:30,795 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:30,795 INFO L218 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] [2025-03-03 15:14:30,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-03 15:14:30,795 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:30,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:30,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1938779581, now seen corresponding path program 1 times [2025-03-03 15:14:30,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:30,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919183941] [2025-03-03 15:14:30,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:30,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:30,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-03 15:14:30,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-03 15:14:30,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:30,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:31,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:31,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919183941] [2025-03-03 15:14:31,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919183941] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:31,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:31,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 15:14:31,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156516840] [2025-03-03 15:14:31,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:31,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-03 15:14:31,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:31,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-03 15:14:31,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-03 15:14:31,120 INFO L87 Difference]: Start difference. First operand 543 states and 736 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:31,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:31,605 INFO L93 Difference]: Finished difference Result 1045 states and 1398 transitions. [2025-03-03 15:14:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-03 15:14:31,606 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2025-03-03 15:14:31,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:31,609 INFO L225 Difference]: With dead ends: 1045 [2025-03-03 15:14:31,609 INFO L226 Difference]: Without dead ends: 771 [2025-03-03 15:14:31,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-03-03 15:14:31,610 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 2431 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:31,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 895 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:31,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2025-03-03 15:14:31,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 543. [2025-03-03 15:14:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.394686907020873) internal successors, (735), 542 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 735 transitions. [2025-03-03 15:14:31,621 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 735 transitions. Word has length 76 [2025-03-03 15:14:31,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:31,622 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 735 transitions. [2025-03-03 15:14:31,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 735 transitions. [2025-03-03 15:14:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-03 15:14:31,624 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:31,624 INFO L218 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] [2025-03-03 15:14:31,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 15:14:31,624 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:31,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:31,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1697179430, now seen corresponding path program 1 times [2025-03-03 15:14:31,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:31,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525742370] [2025-03-03 15:14:31,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:31,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:31,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-03 15:14:31,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-03 15:14:31,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:31,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:31,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:31,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525742370] [2025-03-03 15:14:31,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525742370] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:31,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:31,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:31,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004867969] [2025-03-03 15:14:31,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:31,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:31,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:31,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:31,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:31,932 INFO L87 Difference]: Start difference. First operand 543 states and 735 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:32,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:32,453 INFO L93 Difference]: Finished difference Result 801 states and 1108 transitions. [2025-03-03 15:14:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:32,453 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2025-03-03 15:14:32,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:32,455 INFO L225 Difference]: With dead ends: 801 [2025-03-03 15:14:32,455 INFO L226 Difference]: Without dead ends: 611 [2025-03-03 15:14:32,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:32,456 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 2133 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:32,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 1260 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:32,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2025-03-03 15:14:32,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 543. [2025-03-03 15:14:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3927893738140418) internal successors, (734), 542 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:32,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 734 transitions. [2025-03-03 15:14:32,466 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 734 transitions. Word has length 76 [2025-03-03 15:14:32,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:32,467 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 734 transitions. [2025-03-03 15:14:32,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:32,467 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 734 transitions. [2025-03-03 15:14:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-03 15:14:32,470 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:32,470 INFO L218 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] [2025-03-03 15:14:32,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 15:14:32,470 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:32,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:32,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1128255956, now seen corresponding path program 1 times [2025-03-03 15:14:32,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:32,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628033604] [2025-03-03 15:14:32,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:32,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:32,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-03 15:14:32,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-03 15:14:32,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:32,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:32,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:32,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628033604] [2025-03-03 15:14:32,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628033604] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:32,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:32,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:32,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952314384] [2025-03-03 15:14:32,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:32,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:32,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:32,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:32,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:32,769 INFO L87 Difference]: Start difference. First operand 543 states and 734 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:33,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:33,479 INFO L93 Difference]: Finished difference Result 1021 states and 1410 transitions. [2025-03-03 15:14:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:33,480 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2025-03-03 15:14:33,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:33,483 INFO L225 Difference]: With dead ends: 1021 [2025-03-03 15:14:33,483 INFO L226 Difference]: Without dead ends: 870 [2025-03-03 15:14:33,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:33,484 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 2148 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:33,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 1954 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1463 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-03 15:14:33,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2025-03-03 15:14:33,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 543. [2025-03-03 15:14:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3908918406072106) internal successors, (733), 542 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 733 transitions. [2025-03-03 15:14:33,494 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 733 transitions. Word has length 76 [2025-03-03 15:14:33,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:33,495 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 733 transitions. [2025-03-03 15:14:33,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 733 transitions. [2025-03-03 15:14:33,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-03 15:14:33,496 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:33,496 INFO L218 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] [2025-03-03 15:14:33,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-03 15:14:33,497 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:33,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:33,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1685537466, now seen corresponding path program 1 times [2025-03-03 15:14:33,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:33,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680925035] [2025-03-03 15:14:33,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:33,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:33,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-03 15:14:33,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-03 15:14:33,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:33,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:33,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:33,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680925035] [2025-03-03 15:14:33,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680925035] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:33,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:33,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:33,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462355797] [2025-03-03 15:14:33,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:33,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:33,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:33,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:33,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:33,738 INFO L87 Difference]: Start difference. First operand 543 states and 733 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:34,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:34,420 INFO L93 Difference]: Finished difference Result 1030 states and 1418 transitions. [2025-03-03 15:14:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:14:34,420 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-03 15:14:34,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:34,423 INFO L225 Difference]: With dead ends: 1030 [2025-03-03 15:14:34,423 INFO L226 Difference]: Without dead ends: 870 [2025-03-03 15:14:34,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:34,424 INFO L435 NwaCegarLoop]: 372 mSDtfsCounter, 1732 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:34,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 1586 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-03 15:14:34,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2025-03-03 15:14:34,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 543. [2025-03-03 15:14:34,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3889943074003794) internal successors, (732), 542 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 732 transitions. [2025-03-03 15:14:34,435 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 732 transitions. Word has length 78 [2025-03-03 15:14:34,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:34,435 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 732 transitions. [2025-03-03 15:14:34,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 732 transitions. [2025-03-03 15:14:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-03 15:14:34,437 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:34,437 INFO L218 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] [2025-03-03 15:14:34,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-03 15:14:34,437 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:34,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:34,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1459116269, now seen corresponding path program 1 times [2025-03-03 15:14:34,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:34,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032607423] [2025-03-03 15:14:34,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:34,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:34,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-03 15:14:34,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-03 15:14:34,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:34,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:34,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:34,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032607423] [2025-03-03 15:14:34,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032607423] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:34,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:34,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:34,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513914251] [2025-03-03 15:14:34,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:34,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:34,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:34,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:34,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:34,650 INFO L87 Difference]: Start difference. First operand 543 states and 732 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:35,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:35,244 INFO L93 Difference]: Finished difference Result 984 states and 1349 transitions. [2025-03-03 15:14:35,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:35,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-03 15:14:35,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:35,247 INFO L225 Difference]: With dead ends: 984 [2025-03-03 15:14:35,247 INFO L226 Difference]: Without dead ends: 846 [2025-03-03 15:14:35,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:35,248 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 2597 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2597 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:35,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2597 Valid, 1398 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-03 15:14:35,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2025-03-03 15:14:35,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 543. [2025-03-03 15:14:35,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3870967741935485) internal successors, (731), 542 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 731 transitions. [2025-03-03 15:14:35,256 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 731 transitions. Word has length 78 [2025-03-03 15:14:35,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:35,257 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 731 transitions. [2025-03-03 15:14:35,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 731 transitions. [2025-03-03 15:14:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-03 15:14:35,258 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:35,258 INFO L218 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] [2025-03-03 15:14:35,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-03 15:14:35,258 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:35,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:35,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1663626828, now seen corresponding path program 1 times [2025-03-03 15:14:35,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:35,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120197557] [2025-03-03 15:14:35,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:35,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:35,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-03 15:14:35,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-03 15:14:35,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:35,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:35,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:35,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:35,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120197557] [2025-03-03 15:14:35,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120197557] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:35,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:35,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861417113] [2025-03-03 15:14:35,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:35,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:35,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:35,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:35,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:35,445 INFO L87 Difference]: Start difference. First operand 543 states and 731 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:36,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:36,024 INFO L93 Difference]: Finished difference Result 984 states and 1347 transitions. [2025-03-03 15:14:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:14:36,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-03 15:14:36,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:36,026 INFO L225 Difference]: With dead ends: 984 [2025-03-03 15:14:36,026 INFO L226 Difference]: Without dead ends: 846 [2025-03-03 15:14:36,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:36,027 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 1909 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1909 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:36,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1909 Valid, 1383 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-03 15:14:36,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2025-03-03 15:14:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 543. [2025-03-03 15:14:36,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3851992409867173) internal successors, (730), 542 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 730 transitions. [2025-03-03 15:14:36,036 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 730 transitions. Word has length 78 [2025-03-03 15:14:36,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:36,036 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 730 transitions. [2025-03-03 15:14:36,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 730 transitions. [2025-03-03 15:14:36,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-03 15:14:36,038 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:36,038 INFO L218 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] [2025-03-03 15:14:36,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-03 15:14:36,039 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:36,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:36,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1494530912, now seen corresponding path program 1 times [2025-03-03 15:14:36,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:36,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145811374] [2025-03-03 15:14:36,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:36,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:36,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-03 15:14:36,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-03 15:14:36,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:36,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:36,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:36,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145811374] [2025-03-03 15:14:36,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145811374] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:36,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:36,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:36,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886138548] [2025-03-03 15:14:36,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:36,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:36,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:36,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:36,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:36,253 INFO L87 Difference]: Start difference. First operand 543 states and 730 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:36,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:36,798 INFO L93 Difference]: Finished difference Result 980 states and 1342 transitions. [2025-03-03 15:14:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:36,799 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-03 15:14:36,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:36,801 INFO L225 Difference]: With dead ends: 980 [2025-03-03 15:14:36,801 INFO L226 Difference]: Without dead ends: 846 [2025-03-03 15:14:36,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:36,802 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 2590 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2590 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:36,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 1398 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:36,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2025-03-03 15:14:36,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 543. [2025-03-03 15:14:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3833017077798861) internal successors, (729), 542 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 729 transitions. [2025-03-03 15:14:36,810 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 729 transitions. Word has length 78 [2025-03-03 15:14:36,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:36,811 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 729 transitions. [2025-03-03 15:14:36,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 729 transitions. [2025-03-03 15:14:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-03 15:14:36,812 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:36,812 INFO L218 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] [2025-03-03 15:14:36,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-03 15:14:36,812 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:36,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:36,812 INFO L85 PathProgramCache]: Analyzing trace with hash 548218173, now seen corresponding path program 1 times [2025-03-03 15:14:36,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:36,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511982785] [2025-03-03 15:14:36,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:36,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:36,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-03 15:14:36,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-03 15:14:36,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:36,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:37,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:37,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511982785] [2025-03-03 15:14:37,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511982785] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:37,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:37,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-03 15:14:37,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231597326] [2025-03-03 15:14:37,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:37,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-03 15:14:37,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:37,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-03 15:14:37,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-03 15:14:37,140 INFO L87 Difference]: Start difference. First operand 543 states and 729 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:37,803 INFO L93 Difference]: Finished difference Result 978 states and 1352 transitions. [2025-03-03 15:14:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-03 15:14:37,804 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-03 15:14:37,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:37,806 INFO L225 Difference]: With dead ends: 978 [2025-03-03 15:14:37,806 INFO L226 Difference]: Without dead ends: 722 [2025-03-03 15:14:37,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2025-03-03 15:14:37,807 INFO L435 NwaCegarLoop]: 317 mSDtfsCounter, 1734 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:37,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 1642 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-03 15:14:37,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2025-03-03 15:14:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 543. [2025-03-03 15:14:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3795066413662238) internal successors, (727), 542 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 727 transitions. [2025-03-03 15:14:37,814 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 727 transitions. Word has length 78 [2025-03-03 15:14:37,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:37,814 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 727 transitions. [2025-03-03 15:14:37,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:37,815 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 727 transitions. [2025-03-03 15:14:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-03 15:14:37,815 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:37,815 INFO L218 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] [2025-03-03 15:14:37,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-03 15:14:37,816 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:37,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:37,816 INFO L85 PathProgramCache]: Analyzing trace with hash 128324387, now seen corresponding path program 1 times [2025-03-03 15:14:37,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:37,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240282142] [2025-03-03 15:14:37,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:37,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:37,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-03 15:14:37,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-03 15:14:37,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:37,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:38,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:38,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240282142] [2025-03-03 15:14:38,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240282142] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:38,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:38,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:38,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917134042] [2025-03-03 15:14:38,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:38,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:38,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:38,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:38,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:38,005 INFO L87 Difference]: Start difference. First operand 543 states and 727 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:38,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:38,665 INFO L93 Difference]: Finished difference Result 1040 states and 1424 transitions. [2025-03-03 15:14:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:38,665 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-03 15:14:38,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:38,667 INFO L225 Difference]: With dead ends: 1040 [2025-03-03 15:14:38,667 INFO L226 Difference]: Without dead ends: 870 [2025-03-03 15:14:38,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:38,668 INFO L435 NwaCegarLoop]: 444 mSDtfsCounter, 2020 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:38,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 2214 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1569 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-03 15:14:38,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2025-03-03 15:14:38,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 543. [2025-03-03 15:14:38,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3757115749525617) internal successors, (725), 542 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 725 transitions. [2025-03-03 15:14:38,675 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 725 transitions. Word has length 78 [2025-03-03 15:14:38,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:38,675 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 725 transitions. [2025-03-03 15:14:38,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:38,675 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 725 transitions. [2025-03-03 15:14:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-03 15:14:38,676 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:38,676 INFO L218 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] [2025-03-03 15:14:38,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-03 15:14:38,676 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:38,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:38,677 INFO L85 PathProgramCache]: Analyzing trace with hash 354745584, now seen corresponding path program 1 times [2025-03-03 15:14:38,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:38,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611131716] [2025-03-03 15:14:38,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:38,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:38,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-03 15:14:38,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-03 15:14:38,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:38,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:38,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:38,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:38,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611131716] [2025-03-03 15:14:38,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611131716] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:38,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:38,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:38,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959329538] [2025-03-03 15:14:38,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:38,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:38,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:38,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:38,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:38,849 INFO L87 Difference]: Start difference. First operand 543 states and 725 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:39,480 INFO L93 Difference]: Finished difference Result 990 states and 1349 transitions. [2025-03-03 15:14:39,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:39,480 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-03 15:14:39,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:39,482 INFO L225 Difference]: With dead ends: 990 [2025-03-03 15:14:39,482 INFO L226 Difference]: Without dead ends: 846 [2025-03-03 15:14:39,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:39,483 INFO L435 NwaCegarLoop]: 394 mSDtfsCounter, 1600 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1600 SdHoareTripleChecker+Valid, 1983 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:39,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1600 Valid, 1983 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-03 15:14:39,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2025-03-03 15:14:39,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 543. [2025-03-03 15:14:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3719165085388993) internal successors, (723), 542 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 723 transitions. [2025-03-03 15:14:39,491 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 723 transitions. Word has length 78 [2025-03-03 15:14:39,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:39,491 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 723 transitions. [2025-03-03 15:14:39,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 723 transitions. [2025-03-03 15:14:39,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:39,492 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:39,492 INFO L218 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] [2025-03-03 15:14:39,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-03 15:14:39,493 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:39,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1827596090, now seen corresponding path program 1 times [2025-03-03 15:14:39,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:39,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337119654] [2025-03-03 15:14:39,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:39,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:39,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:39,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:39,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:39,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:39,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:39,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337119654] [2025-03-03 15:14:39,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337119654] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:39,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:39,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-03 15:14:39,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585662184] [2025-03-03 15:14:39,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:39,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 15:14:39,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:39,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 15:14:39,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-03 15:14:39,845 INFO L87 Difference]: Start difference. First operand 543 states and 723 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:40,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:40,780 INFO L93 Difference]: Finished difference Result 1389 states and 1935 transitions. [2025-03-03 15:14:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-03 15:14:40,781 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:40,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:40,784 INFO L225 Difference]: With dead ends: 1389 [2025-03-03 15:14:40,784 INFO L226 Difference]: Without dead ends: 1246 [2025-03-03 15:14:40,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2025-03-03 15:14:40,784 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 4142 mSDsluCounter, 1408 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4142 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:40,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4142 Valid, 1793 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-03 15:14:40,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2025-03-03 15:14:40,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 547. [2025-03-03 15:14:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.369114877589454) internal successors, (727), 546 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 727 transitions. [2025-03-03 15:14:40,791 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 727 transitions. Word has length 80 [2025-03-03 15:14:40,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:40,792 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 727 transitions. [2025-03-03 15:14:40,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 727 transitions. [2025-03-03 15:14:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:40,792 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:40,793 INFO L218 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] [2025-03-03 15:14:40,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-03 15:14:40,793 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:40,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:40,793 INFO L85 PathProgramCache]: Analyzing trace with hash 233354952, now seen corresponding path program 1 times [2025-03-03 15:14:40,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:40,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928896013] [2025-03-03 15:14:40,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:40,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:40,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:40,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:40,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:40,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:40,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:40,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:40,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928896013] [2025-03-03 15:14:40,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928896013] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:40,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:40,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:40,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511883611] [2025-03-03 15:14:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:40,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:40,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:40,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:40,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:40,987 INFO L87 Difference]: Start difference. First operand 547 states and 727 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:41,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:41,589 INFO L93 Difference]: Finished difference Result 957 states and 1292 transitions. [2025-03-03 15:14:41,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:41,590 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:41,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:41,592 INFO L225 Difference]: With dead ends: 957 [2025-03-03 15:14:41,592 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:41,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:41,592 INFO L435 NwaCegarLoop]: 348 mSDtfsCounter, 2148 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 1746 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:41,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 1746 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-03 15:14:41,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:41,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 547. [2025-03-03 15:14:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.3672316384180792) internal successors, (726), 546 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 726 transitions. [2025-03-03 15:14:41,598 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 726 transitions. Word has length 80 [2025-03-03 15:14:41,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:41,598 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 726 transitions. [2025-03-03 15:14:41,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 726 transitions. [2025-03-03 15:14:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:41,599 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:41,599 INFO L218 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] [2025-03-03 15:14:41,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-03 15:14:41,600 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:41,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:41,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1694409011, now seen corresponding path program 1 times [2025-03-03 15:14:41,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:41,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042105224] [2025-03-03 15:14:41,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:41,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:41,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:41,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:41,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:41,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:41,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:41,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042105224] [2025-03-03 15:14:41,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042105224] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:41,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:41,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-03 15:14:41,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34885021] [2025-03-03 15:14:41,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:41,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 15:14:41,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:41,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 15:14:41,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-03 15:14:41,875 INFO L87 Difference]: Start difference. First operand 547 states and 726 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:42,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:42,631 INFO L93 Difference]: Finished difference Result 1277 states and 1763 transitions. [2025-03-03 15:14:42,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-03 15:14:42,631 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:42,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:42,634 INFO L225 Difference]: With dead ends: 1277 [2025-03-03 15:14:42,634 INFO L226 Difference]: Without dead ends: 1146 [2025-03-03 15:14:42,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2025-03-03 15:14:42,635 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 5059 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5059 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:42,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5059 Valid, 1356 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-03 15:14:42,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2025-03-03 15:14:42,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 551. [2025-03-03 15:14:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3644859813084111) internal successors, (730), 550 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 730 transitions. [2025-03-03 15:14:42,641 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 730 transitions. Word has length 80 [2025-03-03 15:14:42,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:42,641 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 730 transitions. [2025-03-03 15:14:42,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 730 transitions. [2025-03-03 15:14:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:42,642 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:42,642 INFO L218 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] [2025-03-03 15:14:42,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-03 15:14:42,643 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:42,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:42,643 INFO L85 PathProgramCache]: Analyzing trace with hash 2072144335, now seen corresponding path program 1 times [2025-03-03 15:14:42,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:42,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551622441] [2025-03-03 15:14:42,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:42,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:42,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:42,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:42,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:42,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:42,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551622441] [2025-03-03 15:14:42,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551622441] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:42,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:42,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:42,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534765678] [2025-03-03 15:14:42,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:42,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:42,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:42,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:42,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:42,801 INFO L87 Difference]: Start difference. First operand 551 states and 730 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:43,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:43,328 INFO L93 Difference]: Finished difference Result 954 states and 1287 transitions. [2025-03-03 15:14:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:43,329 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:43,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:43,330 INFO L225 Difference]: With dead ends: 954 [2025-03-03 15:14:43,330 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:43,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:43,331 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 2228 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:43,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 1560 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:43,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 551. [2025-03-03 15:14:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3626168224299064) internal successors, (729), 550 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 729 transitions. [2025-03-03 15:14:43,336 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 729 transitions. Word has length 80 [2025-03-03 15:14:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:43,337 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 729 transitions. [2025-03-03 15:14:43,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 729 transitions. [2025-03-03 15:14:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:43,337 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:43,337 INFO L218 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] [2025-03-03 15:14:43,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-03 15:14:43,338 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:43,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:43,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1566737068, now seen corresponding path program 1 times [2025-03-03 15:14:43,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:43,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946252828] [2025-03-03 15:14:43,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:43,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:43,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:43,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:43,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:43,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:43,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:43,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946252828] [2025-03-03 15:14:43,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946252828] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:43,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:43,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:43,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175262394] [2025-03-03 15:14:43,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:43,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:43,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:43,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:43,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:43,480 INFO L87 Difference]: Start difference. First operand 551 states and 729 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:43,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:43,936 INFO L93 Difference]: Finished difference Result 831 states and 1098 transitions. [2025-03-03 15:14:43,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:14:43,937 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:43,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:43,938 INFO L225 Difference]: With dead ends: 831 [2025-03-03 15:14:43,939 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:43,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:43,939 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 1924 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:43,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 1256 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:43,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:43,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 551. [2025-03-03 15:14:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.360747663551402) internal successors, (728), 550 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:43,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 728 transitions. [2025-03-03 15:14:43,945 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 728 transitions. Word has length 80 [2025-03-03 15:14:43,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:43,945 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 728 transitions. [2025-03-03 15:14:43,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 728 transitions. [2025-03-03 15:14:43,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:43,946 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:43,946 INFO L218 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] [2025-03-03 15:14:43,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-03 15:14:43,946 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:43,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:43,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1189081215, now seen corresponding path program 1 times [2025-03-03 15:14:43,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:43,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264093761] [2025-03-03 15:14:43,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:43,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:43,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:43,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:43,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:43,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:44,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:44,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:44,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264093761] [2025-03-03 15:14:44,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264093761] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:44,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:44,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:44,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002977391] [2025-03-03 15:14:44,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:44,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:44,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:44,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:44,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:44,084 INFO L87 Difference]: Start difference. First operand 551 states and 728 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:44,587 INFO L93 Difference]: Finished difference Result 954 states and 1284 transitions. [2025-03-03 15:14:44,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:44,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:44,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:44,589 INFO L225 Difference]: With dead ends: 954 [2025-03-03 15:14:44,589 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:44,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:44,590 INFO L435 NwaCegarLoop]: 349 mSDtfsCounter, 1670 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:44,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 1607 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:44,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:44,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 551. [2025-03-03 15:14:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3588785046728973) internal successors, (727), 550 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:44,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 727 transitions. [2025-03-03 15:14:44,596 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 727 transitions. Word has length 80 [2025-03-03 15:14:44,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:44,596 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 727 transitions. [2025-03-03 15:14:44,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 727 transitions. [2025-03-03 15:14:44,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:44,596 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:44,596 INFO L218 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] [2025-03-03 15:14:44,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-03 15:14:44,597 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:44,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:44,597 INFO L85 PathProgramCache]: Analyzing trace with hash -295862112, now seen corresponding path program 1 times [2025-03-03 15:14:44,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:44,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430322989] [2025-03-03 15:14:44,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:44,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:44,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:44,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:44,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:44,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:44,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:44,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430322989] [2025-03-03 15:14:44,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430322989] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:44,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:44,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:44,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511503076] [2025-03-03 15:14:44,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:44,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:44,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:44,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:44,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:44,722 INFO L87 Difference]: Start difference. First operand 551 states and 727 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:45,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:45,125 INFO L93 Difference]: Finished difference Result 954 states and 1283 transitions. [2025-03-03 15:14:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:14:45,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:45,130 INFO L225 Difference]: With dead ends: 954 [2025-03-03 15:14:45,130 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:45,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:45,131 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 1891 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:45,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 1256 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:14:45,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:45,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 551. [2025-03-03 15:14:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3570093457943926) internal successors, (726), 550 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:45,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 726 transitions. [2025-03-03 15:14:45,137 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 726 transitions. Word has length 80 [2025-03-03 15:14:45,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:45,137 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 726 transitions. [2025-03-03 15:14:45,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 726 transitions. [2025-03-03 15:14:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:45,138 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:45,138 INFO L218 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] [2025-03-03 15:14:45,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-03 15:14:45,138 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:45,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:45,138 INFO L85 PathProgramCache]: Analyzing trace with hash 939243213, now seen corresponding path program 1 times [2025-03-03 15:14:45,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:45,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824679065] [2025-03-03 15:14:45,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:45,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:45,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:45,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:45,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:45,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:45,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:45,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824679065] [2025-03-03 15:14:45,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824679065] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:45,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:45,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:45,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187588647] [2025-03-03 15:14:45,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:45,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:45,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:45,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:45,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:45,311 INFO L87 Difference]: Start difference. First operand 551 states and 726 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:45,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:45,793 INFO L93 Difference]: Finished difference Result 952 states and 1279 transitions. [2025-03-03 15:14:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:45,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:45,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:45,796 INFO L225 Difference]: With dead ends: 952 [2025-03-03 15:14:45,796 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:45,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:45,796 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 2213 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:45,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 1560 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:45,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:45,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 551. [2025-03-03 15:14:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.355140186915888) internal successors, (725), 550 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 725 transitions. [2025-03-03 15:14:45,803 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 725 transitions. Word has length 80 [2025-03-03 15:14:45,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:45,804 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 725 transitions. [2025-03-03 15:14:45,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 725 transitions. [2025-03-03 15:14:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:45,805 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:45,805 INFO L218 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] [2025-03-03 15:14:45,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-03 15:14:45,805 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:45,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:45,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1436808964, now seen corresponding path program 1 times [2025-03-03 15:14:45,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:45,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153547622] [2025-03-03 15:14:45,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:45,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:45,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:45,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:45,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:45,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:45,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:45,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:45,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153547622] [2025-03-03 15:14:45,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153547622] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:45,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:45,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:45,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864134457] [2025-03-03 15:14:45,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:45,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:45,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:45,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:45,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:45,961 INFO L87 Difference]: Start difference. First operand 551 states and 725 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:46,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:46,343 INFO L93 Difference]: Finished difference Result 956 states and 1282 transitions. [2025-03-03 15:14:46,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:46,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:46,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:46,345 INFO L225 Difference]: With dead ends: 956 [2025-03-03 15:14:46,345 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:46,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:46,346 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 2534 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:46,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 1271 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:14:46,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:46,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 551. [2025-03-03 15:14:46,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3514018691588785) internal successors, (723), 550 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 723 transitions. [2025-03-03 15:14:46,351 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 723 transitions. Word has length 80 [2025-03-03 15:14:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:46,351 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 723 transitions. [2025-03-03 15:14:46,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 723 transitions. [2025-03-03 15:14:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:46,352 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:46,352 INFO L218 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] [2025-03-03 15:14:46,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-03 15:14:46,352 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:46,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:46,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1058891952, now seen corresponding path program 1 times [2025-03-03 15:14:46,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:46,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367001513] [2025-03-03 15:14:46,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:46,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:46,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:46,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:46,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:46,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:46,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:46,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367001513] [2025-03-03 15:14:46,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367001513] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:46,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:46,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:46,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700330718] [2025-03-03 15:14:46,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:46,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:46,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:46,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:46,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:46,478 INFO L87 Difference]: Start difference. First operand 551 states and 723 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:46,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:46,896 INFO L93 Difference]: Finished difference Result 831 states and 1090 transitions. [2025-03-03 15:14:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:14:46,897 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:46,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:46,898 INFO L225 Difference]: With dead ends: 831 [2025-03-03 15:14:46,898 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:46,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:46,899 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 1261 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:46,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 1256 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:14:46,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:46,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 551. [2025-03-03 15:14:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.347663551401869) internal successors, (721), 550 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 721 transitions. [2025-03-03 15:14:46,906 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 721 transitions. Word has length 80 [2025-03-03 15:14:46,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:46,906 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 721 transitions. [2025-03-03 15:14:46,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 721 transitions. [2025-03-03 15:14:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:46,907 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:46,907 INFO L218 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] [2025-03-03 15:14:46,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-03 15:14:46,908 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:46,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:46,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1831854147, now seen corresponding path program 1 times [2025-03-03 15:14:46,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:46,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832615279] [2025-03-03 15:14:46,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:46,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:46,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:46,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:46,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:46,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:47,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:47,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832615279] [2025-03-03 15:14:47,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832615279] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:47,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:47,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:47,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959170707] [2025-03-03 15:14:47,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:47,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:47,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:47,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:47,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:47,057 INFO L87 Difference]: Start difference. First operand 551 states and 721 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:47,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:47,491 INFO L93 Difference]: Finished difference Result 867 states and 1142 transitions. [2025-03-03 15:14:47,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:14:47,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:47,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:47,493 INFO L225 Difference]: With dead ends: 867 [2025-03-03 15:14:47,493 INFO L226 Difference]: Without dead ends: 850 [2025-03-03 15:14:47,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:47,494 INFO L435 NwaCegarLoop]: 351 mSDtfsCounter, 1172 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:47,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1172 Valid, 1491 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:14:47,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2025-03-03 15:14:47,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 551. [2025-03-03 15:14:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3439252336448597) internal successors, (719), 550 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 719 transitions. [2025-03-03 15:14:47,500 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 719 transitions. Word has length 80 [2025-03-03 15:14:47,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:47,500 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 719 transitions. [2025-03-03 15:14:47,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 719 transitions. [2025-03-03 15:14:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:47,500 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:47,500 INFO L218 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] [2025-03-03 15:14:47,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-03 15:14:47,501 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:47,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:47,501 INFO L85 PathProgramCache]: Analyzing trace with hash -402162107, now seen corresponding path program 1 times [2025-03-03 15:14:47,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:47,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36590207] [2025-03-03 15:14:47,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:47,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:47,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:47,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:47,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:47,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:47,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:47,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36590207] [2025-03-03 15:14:47,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36590207] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:47,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:47,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:47,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331727549] [2025-03-03 15:14:47,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:47,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:47,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:47,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:47,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:47,647 INFO L87 Difference]: Start difference. First operand 551 states and 719 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:48,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:48,054 INFO L93 Difference]: Finished difference Result 831 states and 1084 transitions. [2025-03-03 15:14:48,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:48,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:48,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:48,057 INFO L225 Difference]: With dead ends: 831 [2025-03-03 15:14:48,057 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:48,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:48,057 INFO L435 NwaCegarLoop]: 315 mSDtfsCounter, 2145 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 1325 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:48,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 1325 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:14:48,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:48,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 551. [2025-03-03 15:14:48,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3401869158878505) internal successors, (717), 550 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:48,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 717 transitions. [2025-03-03 15:14:48,063 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 717 transitions. Word has length 80 [2025-03-03 15:14:48,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:48,063 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 717 transitions. [2025-03-03 15:14:48,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:48,063 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 717 transitions. [2025-03-03 15:14:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:48,064 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:48,064 INFO L218 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] [2025-03-03 15:14:48,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-03 15:14:48,064 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:48,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash -21871875, now seen corresponding path program 1 times [2025-03-03 15:14:48,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:48,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994132482] [2025-03-03 15:14:48,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:48,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:48,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:48,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:48,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:48,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:48,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:48,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994132482] [2025-03-03 15:14:48,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994132482] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:48,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:48,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:48,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295509922] [2025-03-03 15:14:48,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:48,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:48,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:48,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:48,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:48,208 INFO L87 Difference]: Start difference. First operand 551 states and 717 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:48,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:48,733 INFO L93 Difference]: Finished difference Result 1076 states and 1445 transitions. [2025-03-03 15:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:14:48,733 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:48,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:48,735 INFO L225 Difference]: With dead ends: 1076 [2025-03-03 15:14:48,735 INFO L226 Difference]: Without dead ends: 886 [2025-03-03 15:14:48,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:48,736 INFO L435 NwaCegarLoop]: 443 mSDtfsCounter, 1937 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1937 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:48,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1937 Valid, 1872 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:48,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2025-03-03 15:14:48,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 551. [2025-03-03 15:14:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3364485981308412) internal successors, (715), 550 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 715 transitions. [2025-03-03 15:14:48,741 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 715 transitions. Word has length 80 [2025-03-03 15:14:48,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:48,741 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 715 transitions. [2025-03-03 15:14:48,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 715 transitions. [2025-03-03 15:14:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:48,741 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:48,741 INFO L218 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] [2025-03-03 15:14:48,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-03 15:14:48,741 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:48,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:48,742 INFO L85 PathProgramCache]: Analyzing trace with hash 608310527, now seen corresponding path program 1 times [2025-03-03 15:14:48,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:48,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382331267] [2025-03-03 15:14:48,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:48,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:48,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:48,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:48,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:48,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:48,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:48,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382331267] [2025-03-03 15:14:48,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382331267] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:48,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:48,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:48,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118727919] [2025-03-03 15:14:48,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:48,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:48,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:48,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:48,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:48,869 INFO L87 Difference]: Start difference. First operand 551 states and 715 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:49,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:49,299 INFO L93 Difference]: Finished difference Result 1000 states and 1334 transitions. [2025-03-03 15:14:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:49,299 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:49,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:49,301 INFO L225 Difference]: With dead ends: 1000 [2025-03-03 15:14:49,301 INFO L226 Difference]: Without dead ends: 850 [2025-03-03 15:14:49,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:49,302 INFO L435 NwaCegarLoop]: 386 mSDtfsCounter, 1595 mSDsluCounter, 1567 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1595 SdHoareTripleChecker+Valid, 1953 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:49,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1595 Valid, 1953 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:49,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2025-03-03 15:14:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 551. [2025-03-03 15:14:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3327102803738318) internal successors, (713), 550 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 713 transitions. [2025-03-03 15:14:49,307 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 713 transitions. Word has length 80 [2025-03-03 15:14:49,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:49,307 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 713 transitions. [2025-03-03 15:14:49,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 713 transitions. [2025-03-03 15:14:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-03 15:14:49,308 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:49,308 INFO L218 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] [2025-03-03 15:14:49,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-03 15:14:49,308 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:49,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:49,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1625705727, now seen corresponding path program 1 times [2025-03-03 15:14:49,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:49,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286134333] [2025-03-03 15:14:49,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:49,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:49,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-03 15:14:49,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-03 15:14:49,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:49,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:49,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:49,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286134333] [2025-03-03 15:14:49,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286134333] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:49,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:49,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:49,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377908583] [2025-03-03 15:14:49,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:49,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:49,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:49,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:49,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:49,467 INFO L87 Difference]: Start difference. First operand 551 states and 713 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:49,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:49,904 INFO L93 Difference]: Finished difference Result 960 states and 1273 transitions. [2025-03-03 15:14:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:14:49,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-03 15:14:49,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:49,906 INFO L225 Difference]: With dead ends: 960 [2025-03-03 15:14:49,906 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:49,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:14:49,907 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 2141 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:49,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 1664 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:14:49,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:49,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 551. [2025-03-03 15:14:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3289719626168224) internal successors, (711), 550 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 711 transitions. [2025-03-03 15:14:49,913 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 711 transitions. Word has length 80 [2025-03-03 15:14:49,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:49,913 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 711 transitions. [2025-03-03 15:14:49,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 711 transitions. [2025-03-03 15:14:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-03 15:14:49,913 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:49,913 INFO L218 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] [2025-03-03 15:14:49,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-03 15:14:49,913 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:49,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:49,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1687806749, now seen corresponding path program 1 times [2025-03-03 15:14:49,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:49,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240723495] [2025-03-03 15:14:49,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:49,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-03 15:14:49,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-03 15:14:49,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:49,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:50,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:50,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240723495] [2025-03-03 15:14:50,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240723495] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:50,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:50,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:50,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261008485] [2025-03-03 15:14:50,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:50,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:50,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:50,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:50,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:50,041 INFO L87 Difference]: Start difference. First operand 551 states and 711 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:50,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:50,451 INFO L93 Difference]: Finished difference Result 957 states and 1267 transitions. [2025-03-03 15:14:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:14:50,451 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2025-03-03 15:14:50,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:50,453 INFO L225 Difference]: With dead ends: 957 [2025-03-03 15:14:50,453 INFO L226 Difference]: Without dead ends: 826 [2025-03-03 15:14:50,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:50,454 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 1201 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 1372 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:50,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 1372 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:14:50,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2025-03-03 15:14:50,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 547. [2025-03-03 15:14:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.329566854990584) internal successors, (706), 546 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 706 transitions. [2025-03-03 15:14:50,459 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 706 transitions. Word has length 81 [2025-03-03 15:14:50,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:50,459 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 706 transitions. [2025-03-03 15:14:50,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 706 transitions. [2025-03-03 15:14:50,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-03 15:14:50,460 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:50,460 INFO L218 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] [2025-03-03 15:14:50,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-03 15:14:50,460 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:50,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:50,461 INFO L85 PathProgramCache]: Analyzing trace with hash -2135034143, now seen corresponding path program 1 times [2025-03-03 15:14:50,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:50,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589882687] [2025-03-03 15:14:50,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:50,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:50,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-03 15:14:50,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-03 15:14:50,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:50,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:50,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:50,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589882687] [2025-03-03 15:14:50,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589882687] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:50,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:50,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:14:50,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134067648] [2025-03-03 15:14:50,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:50,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:14:50,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:50,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:14:50,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:14:50,587 INFO L87 Difference]: Start difference. First operand 547 states and 706 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:51,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:51,067 INFO L93 Difference]: Finished difference Result 989 states and 1314 transitions. [2025-03-03 15:14:51,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:14:51,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2025-03-03 15:14:51,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:51,070 INFO L225 Difference]: With dead ends: 989 [2025-03-03 15:14:51,070 INFO L226 Difference]: Without dead ends: 846 [2025-03-03 15:14:51,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:14:51,070 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 1013 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:51,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1013 Valid, 1817 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:51,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2025-03-03 15:14:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 543. [2025-03-03 15:14:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3301707779886147) internal successors, (701), 542 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 701 transitions. [2025-03-03 15:14:51,077 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 701 transitions. Word has length 81 [2025-03-03 15:14:51,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:51,077 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 701 transitions. [2025-03-03 15:14:51,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 701 transitions. [2025-03-03 15:14:51,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-03 15:14:51,078 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:51,078 INFO L218 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] [2025-03-03 15:14:51,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-03 15:14:51,078 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:51,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:51,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1599776582, now seen corresponding path program 1 times [2025-03-03 15:14:51,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:51,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365835393] [2025-03-03 15:14:51,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:51,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:51,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-03 15:14:51,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-03 15:14:51,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:51,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:51,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:51,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365835393] [2025-03-03 15:14:51,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365835393] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:51,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:51,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-03 15:14:51,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542023780] [2025-03-03 15:14:51,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:51,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 15:14:51,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:51,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 15:14:51,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-03 15:14:51,460 INFO L87 Difference]: Start difference. First operand 543 states and 701 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:52,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:52,132 INFO L93 Difference]: Finished difference Result 940 states and 1248 transitions. [2025-03-03 15:14:52,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-03 15:14:52,132 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2025-03-03 15:14:52,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:52,134 INFO L225 Difference]: With dead ends: 940 [2025-03-03 15:14:52,134 INFO L226 Difference]: Without dead ends: 810 [2025-03-03 15:14:52,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-03-03 15:14:52,135 INFO L435 NwaCegarLoop]: 412 mSDtfsCounter, 2550 mSDsluCounter, 1734 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2550 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:52,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2550 Valid, 2146 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:52,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2025-03-03 15:14:52,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 539. [2025-03-03 15:14:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 524 states have (on average 1.3282442748091603) internal successors, (696), 538 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 696 transitions. [2025-03-03 15:14:52,140 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 696 transitions. Word has length 82 [2025-03-03 15:14:52,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:52,140 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 696 transitions. [2025-03-03 15:14:52,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 696 transitions. [2025-03-03 15:14:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-03 15:14:52,141 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:52,141 INFO L218 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] [2025-03-03 15:14:52,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-03 15:14:52,141 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:52,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:52,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1863485512, now seen corresponding path program 1 times [2025-03-03 15:14:52,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:52,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115319866] [2025-03-03 15:14:52,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:52,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-03 15:14:52,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-03 15:14:52,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:52,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:52,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:52,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115319866] [2025-03-03 15:14:52,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115319866] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:52,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:52,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2025-03-03 15:14:52,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796203699] [2025-03-03 15:14:52,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:52,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-03 15:14:52,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:52,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-03 15:14:52,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2025-03-03 15:14:52,750 INFO L87 Difference]: Start difference. First operand 539 states and 696 transitions. Second operand has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:53,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:53,498 INFO L93 Difference]: Finished difference Result 877 states and 1172 transitions. [2025-03-03 15:14:53,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-03 15:14:53,498 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2025-03-03 15:14:53,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:53,500 INFO L225 Difference]: With dead ends: 877 [2025-03-03 15:14:53,500 INFO L226 Difference]: Without dead ends: 642 [2025-03-03 15:14:53,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2025-03-03 15:14:53,501 INFO L435 NwaCegarLoop]: 488 mSDtfsCounter, 1812 mSDsluCounter, 2843 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 3331 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:53,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 3331 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:14:53,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2025-03-03 15:14:53,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 491. [2025-03-03 15:14:53,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 477 states have (on average 1.3270440251572326) internal successors, (633), 490 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 633 transitions. [2025-03-03 15:14:53,505 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 633 transitions. Word has length 82 [2025-03-03 15:14:53,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:53,505 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 633 transitions. [2025-03-03 15:14:53,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 633 transitions. [2025-03-03 15:14:53,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-03 15:14:53,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:53,506 INFO L218 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] [2025-03-03 15:14:53,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-03 15:14:53,506 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:53,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:53,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1825692836, now seen corresponding path program 1 times [2025-03-03 15:14:53,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:53,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799569874] [2025-03-03 15:14:53,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:53,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:53,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-03 15:14:53,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-03 15:14:53,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:53,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:54,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:54,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799569874] [2025-03-03 15:14:54,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799569874] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:54,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:54,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2025-03-03 15:14:54,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410233071] [2025-03-03 15:14:54,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:54,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-03 15:14:54,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:54,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-03 15:14:54,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2025-03-03 15:14:54,623 INFO L87 Difference]: Start difference. First operand 491 states and 633 transitions. Second operand has 28 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 28 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:57,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:57,762 INFO L93 Difference]: Finished difference Result 1221 states and 1658 transitions. [2025-03-03 15:14:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-03 15:14:57,762 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 28 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2025-03-03 15:14:57,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:57,764 INFO L225 Difference]: With dead ends: 1221 [2025-03-03 15:14:57,764 INFO L226 Difference]: Without dead ends: 1092 [2025-03-03 15:14:57,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=462, Invalid=2400, Unknown=0, NotChecked=0, Total=2862 [2025-03-03 15:14:57,765 INFO L435 NwaCegarLoop]: 744 mSDtfsCounter, 2087 mSDsluCounter, 10849 mSDsCounter, 0 mSdLazyCounter, 5948 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 11593 SdHoareTripleChecker+Invalid, 5965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:57,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 11593 Invalid, 5965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 5948 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-03 15:14:57,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2025-03-03 15:14:57,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 491. [2025-03-03 15:14:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 477 states have (on average 1.3228511530398324) internal successors, (631), 490 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 631 transitions. [2025-03-03 15:14:57,771 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 631 transitions. Word has length 82 [2025-03-03 15:14:57,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:57,771 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 631 transitions. [2025-03-03 15:14:57,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.9285714285714284) internal successors, (82), 28 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 631 transitions. [2025-03-03 15:14:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-03 15:14:57,771 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:57,772 INFO L218 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] [2025-03-03 15:14:57,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-03 15:14:57,772 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:57,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:57,772 INFO L85 PathProgramCache]: Analyzing trace with hash 899447238, now seen corresponding path program 1 times [2025-03-03 15:14:57,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:57,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480017447] [2025-03-03 15:14:57,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:57,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:57,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-03 15:14:57,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-03 15:14:57,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:57,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:58,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:58,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480017447] [2025-03-03 15:14:58,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480017447] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:58,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:58,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-03 15:14:58,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167207770] [2025-03-03 15:14:58,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:58,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-03 15:14:58,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:58,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-03 15:14:58,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-03 15:14:58,206 INFO L87 Difference]: Start difference. First operand 491 states and 631 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:58,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:58,591 INFO L93 Difference]: Finished difference Result 1003 states and 1369 transitions. [2025-03-03 15:14:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-03 15:14:58,591 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2025-03-03 15:14:58,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:58,592 INFO L225 Difference]: With dead ends: 1003 [2025-03-03 15:14:58,592 INFO L226 Difference]: Without dead ends: 781 [2025-03-03 15:14:58,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2025-03-03 15:14:58,593 INFO L435 NwaCegarLoop]: 477 mSDtfsCounter, 1877 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 3629 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:58,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 3629 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 15:14:58,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2025-03-03 15:14:58,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 395. [2025-03-03 15:14:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 385 states have (on average 1.3298701298701299) internal successors, (512), 394 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 512 transitions. [2025-03-03 15:14:58,598 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 512 transitions. Word has length 82 [2025-03-03 15:14:58,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:58,598 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 512 transitions. [2025-03-03 15:14:58,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 512 transitions. [2025-03-03 15:14:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-03 15:14:58,598 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:58,598 INFO L218 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] [2025-03-03 15:14:58,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-03 15:14:58,599 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:58,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:58,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1748850047, now seen corresponding path program 1 times [2025-03-03 15:14:58,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:58,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105177546] [2025-03-03 15:14:58,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:58,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:58,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-03 15:14:58,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-03 15:14:58,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:58,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:58,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:58,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105177546] [2025-03-03 15:14:58,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105177546] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:58,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:58,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-03 15:14:58,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000961864] [2025-03-03 15:14:58,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:58,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 15:14:58,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:58,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 15:14:58,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-03 15:14:58,915 INFO L87 Difference]: Start difference. First operand 395 states and 512 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:59,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:14:59,279 INFO L93 Difference]: Finished difference Result 725 states and 991 transitions. [2025-03-03 15:14:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-03 15:14:59,279 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2025-03-03 15:14:59,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:14:59,280 INFO L225 Difference]: With dead ends: 725 [2025-03-03 15:14:59,280 INFO L226 Difference]: Without dead ends: 545 [2025-03-03 15:14:59,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-03-03 15:14:59,281 INFO L435 NwaCegarLoop]: 380 mSDtfsCounter, 1427 mSDsluCounter, 1697 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:14:59,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1427 Valid, 2077 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:14:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2025-03-03 15:14:59,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 341. [2025-03-03 15:14:59,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 334 states have (on average 1.3203592814371257) internal successors, (441), 340 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 441 transitions. [2025-03-03 15:14:59,285 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 441 transitions. Word has length 82 [2025-03-03 15:14:59,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:14:59,285 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 441 transitions. [2025-03-03 15:14:59,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:14:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 441 transitions. [2025-03-03 15:14:59,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-03 15:14:59,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:14:59,286 INFO L218 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] [2025-03-03 15:14:59,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-03 15:14:59,286 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:14:59,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:14:59,286 INFO L85 PathProgramCache]: Analyzing trace with hash 371219581, now seen corresponding path program 1 times [2025-03-03 15:14:59,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:14:59,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802275282] [2025-03-03 15:14:59,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:14:59,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:14:59,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-03 15:14:59,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-03 15:14:59,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:14:59,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:14:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:14:59,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:14:59,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802275282] [2025-03-03 15:14:59,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802275282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:14:59,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:14:59,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-03 15:14:59,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905603494] [2025-03-03 15:14:59,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:14:59,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 15:14:59,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:14:59,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 15:14:59,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-03 15:14:59,689 INFO L87 Difference]: Start difference. First operand 341 states and 441 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:00,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:00,087 INFO L93 Difference]: Finished difference Result 652 states and 888 transitions. [2025-03-03 15:15:00,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:15:00,088 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2025-03-03 15:15:00,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:00,089 INFO L225 Difference]: With dead ends: 652 [2025-03-03 15:15:00,089 INFO L226 Difference]: Without dead ends: 520 [2025-03-03 15:15:00,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2025-03-03 15:15:00,089 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 1588 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:00,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 1618 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 15:15:00,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2025-03-03 15:15:00,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 331. [2025-03-03 15:15:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 325 states have (on average 1.3107692307692307) internal successors, (426), 330 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 426 transitions. [2025-03-03 15:15:00,092 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 426 transitions. Word has length 82 [2025-03-03 15:15:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:00,093 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 426 transitions. [2025-03-03 15:15:00,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 426 transitions. [2025-03-03 15:15:00,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-03 15:15:00,094 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:00,094 INFO L218 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] [2025-03-03 15:15:00,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-03 15:15:00,094 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:00,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:00,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1415765786, now seen corresponding path program 1 times [2025-03-03 15:15:00,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:00,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690454765] [2025-03-03 15:15:00,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:00,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:00,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-03 15:15:00,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-03 15:15:00,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:00,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:00,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:00,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690454765] [2025-03-03 15:15:00,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690454765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:00,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:00,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-03-03 15:15:00,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123146609] [2025-03-03 15:15:00,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:00,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-03 15:15:00,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:00,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-03 15:15:00,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2025-03-03 15:15:00,668 INFO L87 Difference]: Start difference. First operand 331 states and 426 transitions. Second operand has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 17 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:01,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:01,555 INFO L93 Difference]: Finished difference Result 860 states and 1172 transitions. [2025-03-03 15:15:01,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-03 15:15:01,555 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 17 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2025-03-03 15:15:01,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:01,557 INFO L225 Difference]: With dead ends: 860 [2025-03-03 15:15:01,557 INFO L226 Difference]: Without dead ends: 727 [2025-03-03 15:15:01,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=249, Invalid=873, Unknown=0, NotChecked=0, Total=1122 [2025-03-03 15:15:01,557 INFO L435 NwaCegarLoop]: 389 mSDtfsCounter, 1776 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 3653 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:01,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 3653 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 15:15:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2025-03-03 15:15:01,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 330. [2025-03-03 15:15:01,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 324 states have (on average 1.3055555555555556) internal successors, (423), 329 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 423 transitions. [2025-03-03 15:15:01,561 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 423 transitions. Word has length 83 [2025-03-03 15:15:01,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:01,561 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 423 transitions. [2025-03-03 15:15:01,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 17 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 423 transitions. [2025-03-03 15:15:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-03 15:15:01,561 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:01,561 INFO L218 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] [2025-03-03 15:15:01,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-03 15:15:01,562 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:01,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:01,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1034412133, now seen corresponding path program 1 times [2025-03-03 15:15:01,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:01,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924457556] [2025-03-03 15:15:01,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:01,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:01,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-03 15:15:01,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-03 15:15:01,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:01,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:01,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:01,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924457556] [2025-03-03 15:15:01,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924457556] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:01,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:01,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-03 15:15:01,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938691292] [2025-03-03 15:15:01,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:01,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 15:15:01,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:01,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 15:15:01,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-03 15:15:01,844 INFO L87 Difference]: Start difference. First operand 330 states and 423 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:02,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:02,100 INFO L93 Difference]: Finished difference Result 650 states and 885 transitions. [2025-03-03 15:15:02,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:15:02,100 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2025-03-03 15:15:02,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:02,101 INFO L225 Difference]: With dead ends: 650 [2025-03-03 15:15:02,101 INFO L226 Difference]: Without dead ends: 500 [2025-03-03 15:15:02,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2025-03-03 15:15:02,102 INFO L435 NwaCegarLoop]: 362 mSDtfsCounter, 961 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 2004 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:02,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 2004 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:15:02,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2025-03-03 15:15:02,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 306. [2025-03-03 15:15:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 301 states have (on average 1.302325581395349) internal successors, (392), 305 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:02,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 392 transitions. [2025-03-03 15:15:02,104 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 392 transitions. Word has length 83 [2025-03-03 15:15:02,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:02,104 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 392 transitions. [2025-03-03 15:15:02,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:02,105 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 392 transitions. [2025-03-03 15:15:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-03 15:15:02,105 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:02,105 INFO L218 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] [2025-03-03 15:15:02,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-03 15:15:02,105 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:02,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:02,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1174697835, now seen corresponding path program 1 times [2025-03-03 15:15:02,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:02,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518095662] [2025-03-03 15:15:02,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:02,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:02,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-03 15:15:02,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-03 15:15:02,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:02,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:02,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:02,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518095662] [2025-03-03 15:15:02,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518095662] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:02,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:02,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:15:02,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877996585] [2025-03-03 15:15:02,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:02,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:15:02,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:02,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:15:02,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:15:02,230 INFO L87 Difference]: Start difference. First operand 306 states and 392 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:02,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:02,545 INFO L93 Difference]: Finished difference Result 678 states and 912 transitions. [2025-03-03 15:15:02,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 15:15:02,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2025-03-03 15:15:02,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:02,546 INFO L225 Difference]: With dead ends: 678 [2025-03-03 15:15:02,546 INFO L226 Difference]: Without dead ends: 522 [2025-03-03 15:15:02,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2025-03-03 15:15:02,547 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 799 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:02,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1268 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:15:02,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2025-03-03 15:15:02,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 306. [2025-03-03 15:15:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 301 states have (on average 1.2956810631229236) internal successors, (390), 305 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 390 transitions. [2025-03-03 15:15:02,549 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 390 transitions. Word has length 83 [2025-03-03 15:15:02,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:02,549 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 390 transitions. [2025-03-03 15:15:02,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 390 transitions. [2025-03-03 15:15:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-03 15:15:02,550 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:02,550 INFO L218 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] [2025-03-03 15:15:02,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-03-03 15:15:02,550 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:02,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:02,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1498791341, now seen corresponding path program 1 times [2025-03-03 15:15:02,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:02,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8821744] [2025-03-03 15:15:02,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:02,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-03 15:15:02,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-03 15:15:02,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:02,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:02,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:02,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8821744] [2025-03-03 15:15:02,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8821744] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:02,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:02,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 15:15:02,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176431747] [2025-03-03 15:15:02,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:02,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 15:15:02,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:02,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 15:15:02,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-03 15:15:02,716 INFO L87 Difference]: Start difference. First operand 306 states and 390 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:02,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:02,950 INFO L93 Difference]: Finished difference Result 489 states and 642 transitions. [2025-03-03 15:15:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 15:15:02,950 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2025-03-03 15:15:02,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:02,951 INFO L225 Difference]: With dead ends: 489 [2025-03-03 15:15:02,951 INFO L226 Difference]: Without dead ends: 482 [2025-03-03 15:15:02,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-03 15:15:02,952 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 897 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:02,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 805 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 15:15:02,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-03-03 15:15:02,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 306. [2025-03-03 15:15:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 301 states have (on average 1.2923588039867109) internal successors, (389), 305 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 389 transitions. [2025-03-03 15:15:02,955 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 389 transitions. Word has length 83 [2025-03-03 15:15:02,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:02,955 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 389 transitions. [2025-03-03 15:15:02,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 389 transitions. [2025-03-03 15:15:02,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-03 15:15:02,955 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:02,955 INFO L218 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] [2025-03-03 15:15:02,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-03 15:15:02,955 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:02,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:02,956 INFO L85 PathProgramCache]: Analyzing trace with hash -65056566, now seen corresponding path program 1 times [2025-03-03 15:15:02,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:02,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097460471] [2025-03-03 15:15:02,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:02,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:02,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-03 15:15:02,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-03 15:15:02,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:02,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:03,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:03,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097460471] [2025-03-03 15:15:03,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097460471] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:03,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:03,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-03 15:15:03,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507083630] [2025-03-03 15:15:03,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:03,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 15:15:03,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:03,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 15:15:03,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-03 15:15:03,171 INFO L87 Difference]: Start difference. First operand 306 states and 389 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:03,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:03,634 INFO L93 Difference]: Finished difference Result 809 states and 1113 transitions. [2025-03-03 15:15:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-03 15:15:03,634 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2025-03-03 15:15:03,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:03,636 INFO L225 Difference]: With dead ends: 809 [2025-03-03 15:15:03,636 INFO L226 Difference]: Without dead ends: 802 [2025-03-03 15:15:03,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2025-03-03 15:15:03,636 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 3168 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3168 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:03,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3168 Valid, 908 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-03 15:15:03,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2025-03-03 15:15:03,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 310. [2025-03-03 15:15:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.2885245901639344) internal successors, (393), 309 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 393 transitions. [2025-03-03 15:15:03,640 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 393 transitions. Word has length 84 [2025-03-03 15:15:03,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:03,641 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 393 transitions. [2025-03-03 15:15:03,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:03,641 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 393 transitions. [2025-03-03 15:15:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-03 15:15:03,641 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:03,641 INFO L218 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] [2025-03-03 15:15:03,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2025-03-03 15:15:03,641 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:03,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:03,642 INFO L85 PathProgramCache]: Analyzing trace with hash 595313027, now seen corresponding path program 1 times [2025-03-03 15:15:03,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:03,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259309527] [2025-03-03 15:15:03,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:03,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:03,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-03 15:15:03,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-03 15:15:03,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:03,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:03,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:03,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259309527] [2025-03-03 15:15:03,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259309527] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:03,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:03,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-03 15:15:03,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789099122] [2025-03-03 15:15:03,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:03,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-03 15:15:03,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:03,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-03 15:15:03,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-03 15:15:03,893 INFO L87 Difference]: Start difference. First operand 310 states and 393 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:04,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:04,070 INFO L93 Difference]: Finished difference Result 584 states and 794 transitions. [2025-03-03 15:15:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-03 15:15:04,071 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2025-03-03 15:15:04,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:04,071 INFO L225 Difference]: With dead ends: 584 [2025-03-03 15:15:04,071 INFO L226 Difference]: Without dead ends: 414 [2025-03-03 15:15:04,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2025-03-03 15:15:04,072 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 880 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:04,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 955 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:15:04,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2025-03-03 15:15:04,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 266. [2025-03-03 15:15:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 263 states have (on average 1.3079847908745248) internal successors, (344), 265 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 344 transitions. [2025-03-03 15:15:04,074 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 344 transitions. Word has length 84 [2025-03-03 15:15:04,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:04,074 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 344 transitions. [2025-03-03 15:15:04,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 344 transitions. [2025-03-03 15:15:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-03 15:15:04,075 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:04,075 INFO L218 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] [2025-03-03 15:15:04,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-03-03 15:15:04,075 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:04,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:04,075 INFO L85 PathProgramCache]: Analyzing trace with hash -889403573, now seen corresponding path program 1 times [2025-03-03 15:15:04,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:04,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647562621] [2025-03-03 15:15:04,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:04,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:04,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-03 15:15:04,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-03 15:15:04,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:04,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:04,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:04,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647562621] [2025-03-03 15:15:04,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647562621] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:04,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:04,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-03 15:15:04,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010702303] [2025-03-03 15:15:04,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:04,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 15:15:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:04,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 15:15:04,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-03-03 15:15:04,334 INFO L87 Difference]: Start difference. First operand 266 states and 344 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:04,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:04,636 INFO L93 Difference]: Finished difference Result 418 states and 566 transitions. [2025-03-03 15:15:04,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-03 15:15:04,637 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2025-03-03 15:15:04,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:04,637 INFO L225 Difference]: With dead ends: 418 [2025-03-03 15:15:04,637 INFO L226 Difference]: Without dead ends: 412 [2025-03-03 15:15:04,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-03-03 15:15:04,638 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 904 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:04,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 1497 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:15:04,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-03-03 15:15:04,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 260. [2025-03-03 15:15:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 258 states have (on average 1.306201550387597) internal successors, (337), 259 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 337 transitions. [2025-03-03 15:15:04,640 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 337 transitions. Word has length 85 [2025-03-03 15:15:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:04,640 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 337 transitions. [2025-03-03 15:15:04,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 337 transitions. [2025-03-03 15:15:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-03 15:15:04,641 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:04,641 INFO L218 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] [2025-03-03 15:15:04,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-03-03 15:15:04,641 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:04,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:04,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1717055821, now seen corresponding path program 1 times [2025-03-03 15:15:04,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:04,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422485162] [2025-03-03 15:15:04,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:04,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:04,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-03 15:15:04,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-03 15:15:04,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:04,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:05,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:05,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:05,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422485162] [2025-03-03 15:15:05,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422485162] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:05,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:05,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2025-03-03 15:15:05,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300779056] [2025-03-03 15:15:05,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:05,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-03 15:15:05,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:05,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-03 15:15:05,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=642, Unknown=0, NotChecked=0, Total=702 [2025-03-03 15:15:05,583 INFO L87 Difference]: Start difference. First operand 260 states and 337 transitions. Second operand has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:06,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:06,973 INFO L93 Difference]: Finished difference Result 284 states and 364 transitions. [2025-03-03 15:15:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-03 15:15:06,973 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2025-03-03 15:15:06,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:06,974 INFO L225 Difference]: With dead ends: 284 [2025-03-03 15:15:06,974 INFO L226 Difference]: Without dead ends: 276 [2025-03-03 15:15:06,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=347, Invalid=2103, Unknown=0, NotChecked=0, Total=2450 [2025-03-03 15:15:06,975 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 578 mSDsluCounter, 2190 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 2342 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:06,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 2342 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-03 15:15:06,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-03-03 15:15:06,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 274. [2025-03-03 15:15:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 272 states have (on average 1.3014705882352942) internal successors, (354), 273 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 354 transitions. [2025-03-03 15:15:06,977 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 354 transitions. Word has length 85 [2025-03-03 15:15:06,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:06,977 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 354 transitions. [2025-03-03 15:15:06,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 354 transitions. [2025-03-03 15:15:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-03 15:15:06,977 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:06,977 INFO L218 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] [2025-03-03 15:15:06,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-03-03 15:15:06,977 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:06,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:06,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1149224432, now seen corresponding path program 1 times [2025-03-03 15:15:06,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:06,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79756573] [2025-03-03 15:15:06,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:06,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:06,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-03 15:15:07,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-03 15:15:07,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:07,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:07,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:07,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79756573] [2025-03-03 15:15:07,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79756573] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:07,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:07,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-03 15:15:07,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803456488] [2025-03-03 15:15:07,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:07,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-03 15:15:07,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:07,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-03 15:15:07,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-03 15:15:07,285 INFO L87 Difference]: Start difference. First operand 274 states and 354 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:07,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:07,787 INFO L93 Difference]: Finished difference Result 742 states and 1030 transitions. [2025-03-03 15:15:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-03 15:15:07,787 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2025-03-03 15:15:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:07,788 INFO L225 Difference]: With dead ends: 742 [2025-03-03 15:15:07,788 INFO L226 Difference]: Without dead ends: 727 [2025-03-03 15:15:07,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2025-03-03 15:15:07,789 INFO L435 NwaCegarLoop]: 476 mSDtfsCounter, 687 mSDsluCounter, 3686 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 4162 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:07,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 4162 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 15:15:07,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2025-03-03 15:15:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 248. [2025-03-03 15:15:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.3076923076923077) internal successors, (323), 247 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 323 transitions. [2025-03-03 15:15:07,791 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 323 transitions. Word has length 86 [2025-03-03 15:15:07,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:07,791 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 323 transitions. [2025-03-03 15:15:07,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:07,792 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 323 transitions. [2025-03-03 15:15:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-03 15:15:07,792 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:07,792 INFO L218 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] [2025-03-03 15:15:07,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2025-03-03 15:15:07,792 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:07,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:07,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1069450679, now seen corresponding path program 1 times [2025-03-03 15:15:07,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:07,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618319284] [2025-03-03 15:15:07,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:07,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:07,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-03 15:15:07,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-03 15:15:07,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:07,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:07,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:07,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618319284] [2025-03-03 15:15:07,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618319284] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:07,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:07,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 15:15:07,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296026033] [2025-03-03 15:15:07,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:07,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 15:15:07,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:07,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 15:15:07,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-03 15:15:07,873 INFO L87 Difference]: Start difference. First operand 248 states and 323 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:07,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:07,983 INFO L93 Difference]: Finished difference Result 1508 states and 2223 transitions. [2025-03-03 15:15:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-03 15:15:07,983 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2025-03-03 15:15:07,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:07,985 INFO L225 Difference]: With dead ends: 1508 [2025-03-03 15:15:07,985 INFO L226 Difference]: Without dead ends: 1382 [2025-03-03 15:15:07,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2025-03-03 15:15:07,986 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 1261 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:07,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 1857 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:15:07,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2025-03-03 15:15:07,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 372. [2025-03-03 15:15:07,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 371 states have (on average 1.3692722371967656) internal successors, (508), 371 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 508 transitions. [2025-03-03 15:15:07,991 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 508 transitions. Word has length 112 [2025-03-03 15:15:07,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:07,991 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 508 transitions. [2025-03-03 15:15:07,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 508 transitions. [2025-03-03 15:15:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-03 15:15:07,991 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:07,991 INFO L218 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] [2025-03-03 15:15:07,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2025-03-03 15:15:07,991 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:07,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:07,992 INFO L85 PathProgramCache]: Analyzing trace with hash 17401253, now seen corresponding path program 1 times [2025-03-03 15:15:07,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:07,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137678587] [2025-03-03 15:15:07,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:07,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:08,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-03 15:15:08,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-03 15:15:08,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:08,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:08,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:08,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137678587] [2025-03-03 15:15:08,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137678587] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:08,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:08,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 15:15:08,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690194385] [2025-03-03 15:15:08,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:08,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 15:15:08,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:08,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 15:15:08,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-03 15:15:08,082 INFO L87 Difference]: Start difference. First operand 372 states and 508 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:08,171 INFO L93 Difference]: Finished difference Result 1748 states and 2569 transitions. [2025-03-03 15:15:08,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 15:15:08,171 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2025-03-03 15:15:08,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:08,173 INFO L225 Difference]: With dead ends: 1748 [2025-03-03 15:15:08,173 INFO L226 Difference]: Without dead ends: 1498 [2025-03-03 15:15:08,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-03-03 15:15:08,174 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 957 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:08,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 1208 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:15:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2025-03-03 15:15:08,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 620. [2025-03-03 15:15:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 619 states have (on average 1.4216478190630049) internal successors, (880), 619 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 880 transitions. [2025-03-03 15:15:08,180 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 880 transitions. Word has length 114 [2025-03-03 15:15:08,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:08,181 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 880 transitions. [2025-03-03 15:15:08,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 880 transitions. [2025-03-03 15:15:08,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-03 15:15:08,181 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:08,181 INFO L218 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] [2025-03-03 15:15:08,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2025-03-03 15:15:08,181 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:08,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:08,182 INFO L85 PathProgramCache]: Analyzing trace with hash -118951611, now seen corresponding path program 1 times [2025-03-03 15:15:08,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:08,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720723002] [2025-03-03 15:15:08,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:08,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:08,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-03 15:15:08,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-03 15:15:08,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:08,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:08,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:08,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720723002] [2025-03-03 15:15:08,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720723002] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:08,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:08,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 15:15:08,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749545062] [2025-03-03 15:15:08,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:08,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 15:15:08,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:08,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 15:15:08,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-03 15:15:08,281 INFO L87 Difference]: Start difference. First operand 620 states and 880 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:08,354 INFO L93 Difference]: Finished difference Result 1996 states and 2941 transitions. [2025-03-03 15:15:08,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 15:15:08,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2025-03-03 15:15:08,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:08,356 INFO L225 Difference]: With dead ends: 1996 [2025-03-03 15:15:08,356 INFO L226 Difference]: Without dead ends: 1746 [2025-03-03 15:15:08,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-03-03 15:15:08,357 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 998 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:08,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 1099 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:08,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2025-03-03 15:15:08,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 992. [2025-03-03 15:15:08,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 991 states have (on average 1.4500504540867811) internal successors, (1437), 991 states have internal predecessors, (1437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1437 transitions. [2025-03-03 15:15:08,366 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1437 transitions. Word has length 114 [2025-03-03 15:15:08,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:08,366 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1437 transitions. [2025-03-03 15:15:08,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1437 transitions. [2025-03-03 15:15:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-03 15:15:08,366 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:08,367 INFO L218 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] [2025-03-03 15:15:08,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2025-03-03 15:15:08,367 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:08,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:08,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1804545253, now seen corresponding path program 1 times [2025-03-03 15:15:08,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:08,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954262267] [2025-03-03 15:15:08,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:08,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:08,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-03 15:15:08,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-03 15:15:08,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:08,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:08,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:08,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954262267] [2025-03-03 15:15:08,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954262267] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:08,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:08,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 15:15:08,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288414195] [2025-03-03 15:15:08,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:08,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 15:15:08,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:08,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 15:15:08,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-03 15:15:08,463 INFO L87 Difference]: Start difference. First operand 992 states and 1437 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:08,528 INFO L93 Difference]: Finished difference Result 2244 states and 3313 transitions. [2025-03-03 15:15:08,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 15:15:08,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2025-03-03 15:15:08,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:08,531 INFO L225 Difference]: With dead ends: 2244 [2025-03-03 15:15:08,531 INFO L226 Difference]: Without dead ends: 1994 [2025-03-03 15:15:08,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-03-03 15:15:08,532 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 1054 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1054 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:08,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1054 Valid, 1074 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:08,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2025-03-03 15:15:08,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1240. [2025-03-03 15:15:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.460048426150121) internal successors, (1809), 1239 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1809 transitions. [2025-03-03 15:15:08,541 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1809 transitions. Word has length 114 [2025-03-03 15:15:08,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:08,541 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1809 transitions. [2025-03-03 15:15:08,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1809 transitions. [2025-03-03 15:15:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-03 15:15:08,542 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:08,542 INFO L218 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] [2025-03-03 15:15:08,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2025-03-03 15:15:08,542 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:08,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:08,542 INFO L85 PathProgramCache]: Analyzing trace with hash -320587643, now seen corresponding path program 1 times [2025-03-03 15:15:08,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:08,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188581360] [2025-03-03 15:15:08,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:08,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:08,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-03 15:15:08,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-03 15:15:08,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:08,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:08,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188581360] [2025-03-03 15:15:08,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188581360] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:08,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:08,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 15:15:08,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502709159] [2025-03-03 15:15:08,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:08,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 15:15:08,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:08,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 15:15:08,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-03 15:15:08,628 INFO L87 Difference]: Start difference. First operand 1240 states and 1809 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:08,721 INFO L93 Difference]: Finished difference Result 2492 states and 3685 transitions. [2025-03-03 15:15:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 15:15:08,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2025-03-03 15:15:08,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:08,725 INFO L225 Difference]: With dead ends: 2492 [2025-03-03 15:15:08,725 INFO L226 Difference]: Without dead ends: 2242 [2025-03-03 15:15:08,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-03-03 15:15:08,726 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 981 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:08,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 1188 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:15:08,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2025-03-03 15:15:08,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 1488. [2025-03-03 15:15:08,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1487 states have (on average 1.4667114996637525) internal successors, (2181), 1487 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 2181 transitions. [2025-03-03 15:15:08,737 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 2181 transitions. Word has length 114 [2025-03-03 15:15:08,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:08,737 INFO L471 AbstractCegarLoop]: Abstraction has 1488 states and 2181 transitions. [2025-03-03 15:15:08,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2181 transitions. [2025-03-03 15:15:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-03 15:15:08,738 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:08,738 INFO L218 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] [2025-03-03 15:15:08,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2025-03-03 15:15:08,738 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:08,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:08,739 INFO L85 PathProgramCache]: Analyzing trace with hash -40552512, now seen corresponding path program 1 times [2025-03-03 15:15:08,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:08,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318810264] [2025-03-03 15:15:08,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:08,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:08,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-03 15:15:08,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-03 15:15:08,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:08,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:08,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:08,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:08,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318810264] [2025-03-03 15:15:08,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318810264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:08,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:08,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:15:08,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956128535] [2025-03-03 15:15:08,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:08,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:15:08,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:08,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:15:08,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:08,778 INFO L87 Difference]: Start difference. First operand 1488 states and 2181 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:08,799 INFO L93 Difference]: Finished difference Result 4078 states and 6027 transitions. [2025-03-03 15:15:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:15:08,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2025-03-03 15:15:08,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:08,802 INFO L225 Difference]: With dead ends: 4078 [2025-03-03 15:15:08,802 INFO L226 Difference]: Without dead ends: 2712 [2025-03-03 15:15:08,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:08,804 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 112 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:08,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 309 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:08,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2025-03-03 15:15:08,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2688. [2025-03-03 15:15:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 2687 states have (on average 1.4514328247115742) internal successors, (3900), 2687 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3900 transitions. [2025-03-03 15:15:08,833 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3900 transitions. Word has length 114 [2025-03-03 15:15:08,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:08,833 INFO L471 AbstractCegarLoop]: Abstraction has 2688 states and 3900 transitions. [2025-03-03 15:15:08,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3900 transitions. [2025-03-03 15:15:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-03 15:15:08,834 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:08,835 INFO L218 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] [2025-03-03 15:15:08,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2025-03-03 15:15:08,835 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:08,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash -4535193, now seen corresponding path program 1 times [2025-03-03 15:15:08,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:08,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695264205] [2025-03-03 15:15:08,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:08,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:08,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-03 15:15:08,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-03 15:15:08,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:08,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:08,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:08,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695264205] [2025-03-03 15:15:08,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695264205] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:08,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:08,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 15:15:08,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083319691] [2025-03-03 15:15:08,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:08,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 15:15:08,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:08,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 15:15:08,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-03 15:15:08,981 INFO L87 Difference]: Start difference. First operand 2688 states and 3900 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:09,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:09,079 INFO L93 Difference]: Finished difference Result 5256 states and 7668 transitions. [2025-03-03 15:15:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 15:15:09,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2025-03-03 15:15:09,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:09,083 INFO L225 Difference]: With dead ends: 5256 [2025-03-03 15:15:09,083 INFO L226 Difference]: Without dead ends: 2690 [2025-03-03 15:15:09,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-03-03 15:15:09,085 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 404 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:09,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 552 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2025-03-03 15:15:09,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2688. [2025-03-03 15:15:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 2687 states have (on average 1.4469668775586155) internal successors, (3888), 2687 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) [2025-03-03 15:15:09,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3888 transitions. [2025-03-03 15:15:09,105 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3888 transitions. Word has length 114 [2025-03-03 15:15:09,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:09,105 INFO L471 AbstractCegarLoop]: Abstraction has 2688 states and 3888 transitions. [2025-03-03 15:15:09,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3888 transitions. [2025-03-03 15:15:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-03 15:15:09,106 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:09,106 INFO L218 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] [2025-03-03 15:15:09,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2025-03-03 15:15:09,106 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:09,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:09,106 INFO L85 PathProgramCache]: Analyzing trace with hash -111006486, now seen corresponding path program 1 times [2025-03-03 15:15:09,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:09,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226560825] [2025-03-03 15:15:09,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:09,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:09,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-03 15:15:09,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-03 15:15:09,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:09,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:09,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:09,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226560825] [2025-03-03 15:15:09,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226560825] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:09,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:09,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:15:09,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961295300] [2025-03-03 15:15:09,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:09,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:15:09,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:09,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:15:09,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:09,202 INFO L87 Difference]: Start difference. First operand 2688 states and 3888 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:09,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:09,227 INFO L93 Difference]: Finished difference Result 7644 states and 11090 transitions. [2025-03-03 15:15:09,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:15:09,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2025-03-03 15:15:09,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:09,234 INFO L225 Difference]: With dead ends: 7644 [2025-03-03 15:15:09,234 INFO L226 Difference]: Without dead ends: 5078 [2025-03-03 15:15:09,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:09,237 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 90 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:09,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 409 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:09,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2025-03-03 15:15:09,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 4900. [2025-03-03 15:15:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4900 states, 4899 states have (on average 1.4431516636048174) internal successors, (7070), 4899 states have internal predecessors, (7070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:09,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4900 states to 4900 states and 7070 transitions. [2025-03-03 15:15:09,290 INFO L78 Accepts]: Start accepts. Automaton has 4900 states and 7070 transitions. Word has length 115 [2025-03-03 15:15:09,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:09,291 INFO L471 AbstractCegarLoop]: Abstraction has 4900 states and 7070 transitions. [2025-03-03 15:15:09,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:09,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4900 states and 7070 transitions. [2025-03-03 15:15:09,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-03 15:15:09,292 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:09,292 INFO L218 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] [2025-03-03 15:15:09,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2025-03-03 15:15:09,292 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:09,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:09,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1856569403, now seen corresponding path program 1 times [2025-03-03 15:15:09,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:09,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632434577] [2025-03-03 15:15:09,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:09,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:09,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-03 15:15:09,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-03 15:15:09,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:09,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:09,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:09,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632434577] [2025-03-03 15:15:09,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632434577] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:09,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:09,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:15:09,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462782568] [2025-03-03 15:15:09,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:09,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:15:09,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:09,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:15:09,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:09,376 INFO L87 Difference]: Start difference. First operand 4900 states and 7070 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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) [2025-03-03 15:15:09,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:09,413 INFO L93 Difference]: Finished difference Result 14104 states and 20328 transitions. [2025-03-03 15:15:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:15:09,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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 [2025-03-03 15:15:09,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:09,426 INFO L225 Difference]: With dead ends: 14104 [2025-03-03 15:15:09,426 INFO L226 Difference]: Without dead ends: 9326 [2025-03-03 15:15:09,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:09,432 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 83 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:09,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 409 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:09,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9326 states. [2025-03-03 15:15:09,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9326 to 8972. [2025-03-03 15:15:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8972 states, 8971 states have (on average 1.433730910712295) internal successors, (12862), 8971 states have internal predecessors, (12862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 12862 transitions. [2025-03-03 15:15:09,508 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 12862 transitions. Word has length 116 [2025-03-03 15:15:09,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:09,508 INFO L471 AbstractCegarLoop]: Abstraction has 8972 states and 12862 transitions. [2025-03-03 15:15:09,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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) [2025-03-03 15:15:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 12862 transitions. [2025-03-03 15:15:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-03 15:15:09,509 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:09,509 INFO L218 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] [2025-03-03 15:15:09,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2025-03-03 15:15:09,509 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:09,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:09,509 INFO L85 PathProgramCache]: Analyzing trace with hash -979251267, now seen corresponding path program 1 times [2025-03-03 15:15:09,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:09,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790681374] [2025-03-03 15:15:09,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:09,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:09,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-03 15:15:09,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-03 15:15:09,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:09,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:09,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:09,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790681374] [2025-03-03 15:15:09,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790681374] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:09,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:09,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:15:09,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360502714] [2025-03-03 15:15:09,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:09,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:15:09,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:09,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:15:09,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:09,599 INFO L87 Difference]: Start difference. First operand 8972 states and 12862 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 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) [2025-03-03 15:15:09,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:09,645 INFO L93 Difference]: Finished difference Result 25968 states and 37088 transitions. [2025-03-03 15:15:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:15:09,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 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 [2025-03-03 15:15:09,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:09,665 INFO L225 Difference]: With dead ends: 25968 [2025-03-03 15:15:09,665 INFO L226 Difference]: Without dead ends: 17118 [2025-03-03 15:15:09,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:09,676 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 76 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:09,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 409 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:09,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17118 states. [2025-03-03 15:15:09,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17118 to 16412. [2025-03-03 15:15:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16412 states, 16411 states have (on average 1.4199012857229907) internal successors, (23302), 16411 states have internal predecessors, (23302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:09,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16412 states to 16412 states and 23302 transitions. [2025-03-03 15:15:09,839 INFO L78 Accepts]: Start accepts. Automaton has 16412 states and 23302 transitions. Word has length 117 [2025-03-03 15:15:09,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:09,839 INFO L471 AbstractCegarLoop]: Abstraction has 16412 states and 23302 transitions. [2025-03-03 15:15:09,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 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) [2025-03-03 15:15:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand 16412 states and 23302 transitions. [2025-03-03 15:15:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-03 15:15:09,840 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:09,840 INFO L218 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] [2025-03-03 15:15:09,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2025-03-03 15:15:09,840 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:09,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:09,840 INFO L85 PathProgramCache]: Analyzing trace with hash -198051912, now seen corresponding path program 1 times [2025-03-03 15:15:09,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:09,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468921037] [2025-03-03 15:15:09,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:09,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:09,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-03 15:15:09,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-03 15:15:09,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:09,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:09,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:09,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468921037] [2025-03-03 15:15:09,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468921037] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:09,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:09,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:15:09,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616329853] [2025-03-03 15:15:09,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:09,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:15:09,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:09,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:15:09,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:09,915 INFO L87 Difference]: Start difference. First operand 16412 states and 23302 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 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) [2025-03-03 15:15:10,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:10,038 INFO L93 Difference]: Finished difference Result 47584 states and 67176 transitions. [2025-03-03 15:15:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:15:10,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 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 [2025-03-03 15:15:10,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:10,070 INFO L225 Difference]: With dead ends: 47584 [2025-03-03 15:15:10,071 INFO L226 Difference]: Without dead ends: 31294 [2025-03-03 15:15:10,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:10,083 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 66 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:10,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 409 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:10,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31294 states. [2025-03-03 15:15:10,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31294 to 29884. [2025-03-03 15:15:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29884 states, 29883 states have (on average 1.4019342100860022) internal successors, (41894), 29883 states have internal predecessors, (41894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:10,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29884 states to 29884 states and 41894 transitions. [2025-03-03 15:15:10,366 INFO L78 Accepts]: Start accepts. Automaton has 29884 states and 41894 transitions. Word has length 118 [2025-03-03 15:15:10,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:10,366 INFO L471 AbstractCegarLoop]: Abstraction has 29884 states and 41894 transitions. [2025-03-03 15:15:10,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 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) [2025-03-03 15:15:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 29884 states and 41894 transitions. [2025-03-03 15:15:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-03 15:15:10,366 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:10,367 INFO L218 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] [2025-03-03 15:15:10,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2025-03-03 15:15:10,367 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:10,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:10,367 INFO L85 PathProgramCache]: Analyzing trace with hash -174573168, now seen corresponding path program 1 times [2025-03-03 15:15:10,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:10,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152864022] [2025-03-03 15:15:10,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:10,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:10,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-03 15:15:10,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-03 15:15:10,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:10,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:10,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:10,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:10,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152864022] [2025-03-03 15:15:10,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152864022] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:10,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:10,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 15:15:10,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32320891] [2025-03-03 15:15:10,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:10,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 15:15:10,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:10,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 15:15:10,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 15:15:10,598 INFO L87 Difference]: Start difference. First operand 29884 states and 41894 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 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) [2025-03-03 15:15:10,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:10,656 INFO L93 Difference]: Finished difference Result 30846 states and 43175 transitions. [2025-03-03 15:15:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 15:15:10,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 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 [2025-03-03 15:15:10,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:10,686 INFO L225 Difference]: With dead ends: 30846 [2025-03-03 15:15:10,687 INFO L226 Difference]: Without dead ends: 30844 [2025-03-03 15:15:10,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 15:15:10,697 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:10,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 934 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:10,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30844 states. [2025-03-03 15:15:11,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30844 to 30844. [2025-03-03 15:15:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30844 states, 30843 states have (on average 1.3831987809227377) internal successors, (42662), 30843 states have internal predecessors, (42662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30844 states to 30844 states and 42662 transitions. [2025-03-03 15:15:11,071 INFO L78 Accepts]: Start accepts. Automaton has 30844 states and 42662 transitions. Word has length 119 [2025-03-03 15:15:11,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:11,072 INFO L471 AbstractCegarLoop]: Abstraction has 30844 states and 42662 transitions. [2025-03-03 15:15:11,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 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) [2025-03-03 15:15:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 30844 states and 42662 transitions. [2025-03-03 15:15:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-03 15:15:11,072 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:11,072 INFO L218 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] [2025-03-03 15:15:11,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2025-03-03 15:15:11,073 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:11,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:11,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1791982859, now seen corresponding path program 1 times [2025-03-03 15:15:11,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:11,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253092715] [2025-03-03 15:15:11,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:11,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-03 15:15:11,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-03 15:15:11,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:11,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:11,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:11,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253092715] [2025-03-03 15:15:11,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253092715] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:11,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:11,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 15:15:11,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893314536] [2025-03-03 15:15:11,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:11,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 15:15:11,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:11,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 15:15:11,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-03 15:15:11,211 INFO L87 Difference]: Start difference. First operand 30844 states and 42662 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 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) [2025-03-03 15:15:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:11,433 INFO L93 Difference]: Finished difference Result 58856 states and 81708 transitions. [2025-03-03 15:15:11,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 15:15:11,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 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 [2025-03-03 15:15:11,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:11,494 INFO L225 Difference]: With dead ends: 58856 [2025-03-03 15:15:11,495 INFO L226 Difference]: Without dead ends: 53254 [2025-03-03 15:15:11,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-03-03 15:15:11,516 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 980 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:11,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 1321 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 15:15:11,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53254 states. [2025-03-03 15:15:12,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53254 to 36444. [2025-03-03 15:15:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36444 states, 36443 states have (on average 1.3831462832368355) internal successors, (50406), 36443 states have internal predecessors, (50406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:12,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36444 states to 36444 states and 50406 transitions. [2025-03-03 15:15:12,087 INFO L78 Accepts]: Start accepts. Automaton has 36444 states and 50406 transitions. Word has length 119 [2025-03-03 15:15:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:12,087 INFO L471 AbstractCegarLoop]: Abstraction has 36444 states and 50406 transitions. [2025-03-03 15:15:12,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 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) [2025-03-03 15:15:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 36444 states and 50406 transitions. [2025-03-03 15:15:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-03 15:15:12,088 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:12,088 INFO L218 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] [2025-03-03 15:15:12,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2025-03-03 15:15:12,088 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:12,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:12,088 INFO L85 PathProgramCache]: Analyzing trace with hash -294171797, now seen corresponding path program 1 times [2025-03-03 15:15:12,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:12,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769930403] [2025-03-03 15:15:12,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:12,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:12,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-03 15:15:12,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-03 15:15:12,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:12,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:12,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:12,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769930403] [2025-03-03 15:15:12,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769930403] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:12,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:12,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:15:12,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159855390] [2025-03-03 15:15:12,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:12,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:15:12,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:12,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:15:12,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:12,158 INFO L87 Difference]: Start difference. First operand 36444 states and 50406 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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) [2025-03-03 15:15:12,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:12,295 INFO L93 Difference]: Finished difference Result 94528 states and 130536 transitions. [2025-03-03 15:15:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:15:12,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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 [2025-03-03 15:15:12,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:12,360 INFO L225 Difference]: With dead ends: 94528 [2025-03-03 15:15:12,360 INFO L226 Difference]: Without dead ends: 58206 [2025-03-03 15:15:12,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:12,393 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 94 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:12,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 412 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:12,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58206 states. [2025-03-03 15:15:12,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58206 to 54876. [2025-03-03 15:15:12,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54876 states, 54875 states have (on average 1.3640820045558086) internal successors, (74854), 54875 states have internal predecessors, (74854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54876 states to 54876 states and 74854 transitions. [2025-03-03 15:15:13,024 INFO L78 Accepts]: Start accepts. Automaton has 54876 states and 74854 transitions. Word has length 120 [2025-03-03 15:15:13,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:13,024 INFO L471 AbstractCegarLoop]: Abstraction has 54876 states and 74854 transitions. [2025-03-03 15:15:13,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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) [2025-03-03 15:15:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 54876 states and 74854 transitions. [2025-03-03 15:15:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-03-03 15:15:13,031 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:13,031 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:15:13,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2025-03-03 15:15:13,031 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:13,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:13,031 INFO L85 PathProgramCache]: Analyzing trace with hash -721376587, now seen corresponding path program 1 times [2025-03-03 15:15:13,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:13,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692378537] [2025-03-03 15:15:13,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:13,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:13,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-03 15:15:13,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-03 15:15:13,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:13,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:13,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:13,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692378537] [2025-03-03 15:15:13,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692378537] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 15:15:13,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 15:15:13,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 15:15:13,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880279287] [2025-03-03 15:15:13,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 15:15:13,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 15:15:13,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:13,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 15:15:13,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:13,103 INFO L87 Difference]: Start difference. First operand 54876 states and 74854 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:13,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:13,450 INFO L93 Difference]: Finished difference Result 109632 states and 149576 transitions. [2025-03-03 15:15:13,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 15:15:13,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2025-03-03 15:15:13,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:13,505 INFO L225 Difference]: With dead ends: 109632 [2025-03-03 15:15:13,505 INFO L226 Difference]: Without dead ends: 54878 [2025-03-03 15:15:13,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 15:15:13,527 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 82 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:13,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 382 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 15:15:13,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54878 states. [2025-03-03 15:15:14,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54878 to 54876. [2025-03-03 15:15:14,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54876 states, 54875 states have (on average 1.3489202733485193) internal successors, (74022), 54875 states have internal predecessors, (74022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54876 states to 54876 states and 74022 transitions. [2025-03-03 15:15:14,192 INFO L78 Accepts]: Start accepts. Automaton has 54876 states and 74022 transitions. Word has length 150 [2025-03-03 15:15:14,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:14,192 INFO L471 AbstractCegarLoop]: Abstraction has 54876 states and 74022 transitions. [2025-03-03 15:15:14,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 54876 states and 74022 transitions. [2025-03-03 15:15:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-03-03 15:15:14,197 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:14,197 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:15:14,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2025-03-03 15:15:14,198 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:14,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:14,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1071005145, now seen corresponding path program 1 times [2025-03-03 15:15:14,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:14,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286816914] [2025-03-03 15:15:14,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:14,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-03 15:15:14,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-03 15:15:14,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:14,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:14,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:14,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286816914] [2025-03-03 15:15:14,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286816914] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 15:15:14,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135434693] [2025-03-03 15:15:14,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:14,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 15:15:14,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 15:15:14,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 15:15:14,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 15:15:14,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-03 15:15:14,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-03 15:15:14,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:14,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:14,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-03 15:15:14,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 15:15:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:15,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-03 15:15:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:16,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135434693] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-03 15:15:16,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-03 15:15:16,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 30 [2025-03-03 15:15:16,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786460651] [2025-03-03 15:15:16,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-03 15:15:16,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-03-03 15:15:16,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:16,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-03-03 15:15:16,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=818, Unknown=0, NotChecked=0, Total=930 [2025-03-03 15:15:16,908 INFO L87 Difference]: Start difference. First operand 54876 states and 74022 transitions. Second operand has 31 states, 31 states have (on average 13.03225806451613) internal successors, (404), 30 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:25,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:25,155 INFO L93 Difference]: Finished difference Result 480466 states and 644587 transitions. [2025-03-03 15:15:25,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2025-03-03 15:15:25,156 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 13.03225806451613) internal successors, (404), 30 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2025-03-03 15:15:25,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 15:15:25,998 INFO L225 Difference]: With dead ends: 480466 [2025-03-03 15:15:25,998 INFO L226 Difference]: Without dead ends: 425712 [2025-03-03 15:15:26,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10481 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=4761, Invalid=27459, Unknown=0, NotChecked=0, Total=32220 [2025-03-03 15:15:26,064 INFO L435 NwaCegarLoop]: 374 mSDtfsCounter, 4533 mSDsluCounter, 5383 mSDsCounter, 0 mSdLazyCounter, 6974 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4533 SdHoareTripleChecker+Valid, 5757 SdHoareTripleChecker+Invalid, 7041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 6974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-03-03 15:15:26,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4533 Valid, 5757 Invalid, 7041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 6974 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-03 15:15:26,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425712 states. [2025-03-03 15:15:29,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425712 to 273860. [2025-03-03 15:15:29,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273860 states, 273859 states have (on average 1.3376445543144464) internal successors, (366326), 273859 states have internal predecessors, (366326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273860 states to 273860 states and 366326 transitions. [2025-03-03 15:15:30,595 INFO L78 Accepts]: Start accepts. Automaton has 273860 states and 366326 transitions. Word has length 150 [2025-03-03 15:15:30,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 15:15:30,595 INFO L471 AbstractCegarLoop]: Abstraction has 273860 states and 366326 transitions. [2025-03-03 15:15:30,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 13.03225806451613) internal successors, (404), 30 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:30,596 INFO L276 IsEmpty]: Start isEmpty. Operand 273860 states and 366326 transitions. [2025-03-03 15:15:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-03-03 15:15:30,612 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 15:15:30,612 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 15:15:30,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 15:15:30,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 15:15:30,817 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2025-03-03 15:15:30,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 15:15:30,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1162356313, now seen corresponding path program 1 times [2025-03-03 15:15:30,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 15:15:30,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312177752] [2025-03-03 15:15:30,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:30,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 15:15:30,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-03 15:15:30,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-03 15:15:30,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:30,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:31,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 15:15:31,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312177752] [2025-03-03 15:15:31,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312177752] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 15:15:31,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661385724] [2025-03-03 15:15:31,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 15:15:31,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 15:15:31,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 15:15:31,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 15:15:31,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 15:15:31,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-03 15:15:31,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-03 15:15:31,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 15:15:31,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 15:15:31,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-03 15:15:31,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 15:15:32,344 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:32,344 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-03 15:15:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 15:15:32,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661385724] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-03 15:15:32,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-03 15:15:32,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 26 [2025-03-03 15:15:32,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337605] [2025-03-03 15:15:32,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-03 15:15:32,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-03 15:15:32,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 15:15:32,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-03 15:15:32,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2025-03-03 15:15:32,828 INFO L87 Difference]: Start difference. First operand 273860 states and 366326 transitions. Second operand has 26 states, 26 states have (on average 15.423076923076923) internal successors, (401), 26 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 15:15:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 15:15:38,471 INFO L93 Difference]: Finished difference Result 919980 states and 1226865 transitions. [2025-03-03 15:15:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-03-03 15:15:38,476 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 15.423076923076923) internal successors, (401), 26 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2025-03-03 15:15:38,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted.