./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.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 72fb41a66cb1f9b8ef6e2c9a867b06ff465ce26afd613e6d36809476f178395e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 01:51:12,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 01:51:12,368 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 01:51:12,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 01:51:12,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 01:51:12,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 01:51:12,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 01:51:12,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 01:51:12,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 01:51:12,410 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 01:51:12,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 01:51:12,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 01:51:12,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 01:51:12,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 01:51:12,413 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 01:51:12,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 01:51:12,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 01:51:12,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 01:51:12,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 01:51:12,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 01:51:12,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 01:51:12,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 01:51:12,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 01:51:12,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 01:51:12,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 01:51:12,418 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 01:51:12,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 01:51:12,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 01:51:12,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 01:51:12,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 01:51:12,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 01:51:12,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 01:51:12,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:51:12,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 01:51:12,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 01:51:12,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 01:51:12,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 01:51:12,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 01:51:12,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 01:51:12,423 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 01:51:12,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 01:51:12,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 01:51:12,423 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72fb41a66cb1f9b8ef6e2c9a867b06ff465ce26afd613e6d36809476f178395e [2024-10-24 01:51:12,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 01:51:12,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 01:51:12,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 01:51:12,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 01:51:12,700 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 01:51:12,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-24 01:51:14,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 01:51:14,507 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 01:51:14,509 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-24 01:51:14,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e2cff98f/f3907207320949648b6b5a0edfcd825a/FLAGdb49d5f89 [2024-10-24 01:51:14,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e2cff98f/f3907207320949648b6b5a0edfcd825a [2024-10-24 01:51:14,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 01:51:14,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 01:51:14,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 01:51:14,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 01:51:14,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 01:51:14,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:51:14" (1/1) ... [2024-10-24 01:51:14,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a9a43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:14, skipping insertion in model container [2024-10-24 01:51:14,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:51:14" (1/1) ... [2024-10-24 01:51:14,687 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 01:51:15,127 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13533,13546] [2024-10-24 01:51:15,161 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18033,18046] [2024-10-24 01:51:15,170 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19325,19338] [2024-10-24 01:51:15,178 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20083,20096] [2024-10-24 01:51:15,192 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21703,21716] [2024-10-24 01:51:15,197 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22461,22474] [2024-10-24 01:51:15,203 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23547,23560] [2024-10-24 01:51:15,220 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26086,26099] [2024-10-24 01:51:15,225 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26847,26860] [2024-10-24 01:51:15,233 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27936,27949] [2024-10-24 01:51:15,243 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29941,29954] [2024-10-24 01:51:15,258 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33864,33877] [2024-10-24 01:51:15,262 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34625,34638] [2024-10-24 01:51:15,268 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35718,35731] [2024-10-24 01:51:15,276 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37727,37740] [2024-10-24 01:51:15,293 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41330,41343] [2024-10-24 01:51:15,326 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48207,48220] [2024-10-24 01:51:15,330 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48968,48981] [2024-10-24 01:51:15,337 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50057,50070] [2024-10-24 01:51:15,346 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52062,52075] [2024-10-24 01:51:15,357 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55451,55464] [2024-10-24 01:51:15,388 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61148,61161] [2024-10-24 01:51:15,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:51:15,685 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 01:51:15,754 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13533,13546] [2024-10-24 01:51:15,773 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18033,18046] [2024-10-24 01:51:15,783 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19325,19338] [2024-10-24 01:51:15,789 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20083,20096] [2024-10-24 01:51:15,800 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21703,21716] [2024-10-24 01:51:15,806 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22461,22474] [2024-10-24 01:51:15,860 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23547,23560] [2024-10-24 01:51:15,876 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26086,26099] [2024-10-24 01:51:15,882 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26847,26860] [2024-10-24 01:51:15,887 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27936,27949] [2024-10-24 01:51:15,894 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29941,29954] [2024-10-24 01:51:15,904 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33864,33877] [2024-10-24 01:51:15,907 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34625,34638] [2024-10-24 01:51:15,911 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35718,35731] [2024-10-24 01:51:15,918 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37727,37740] [2024-10-24 01:51:15,930 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41330,41343] [2024-10-24 01:51:15,952 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48207,48220] [2024-10-24 01:51:15,958 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48968,48981] [2024-10-24 01:51:15,965 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50057,50070] [2024-10-24 01:51:15,972 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52062,52075] [2024-10-24 01:51:15,982 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55451,55464] [2024-10-24 01:51:15,996 WARN L248 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.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61148,61161] [2024-10-24 01:51:16,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:51:16,193 INFO L204 MainTranslator]: Completed translation [2024-10-24 01:51:16,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16 WrapperNode [2024-10-24 01:51:16,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 01:51:16,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 01:51:16,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 01:51:16,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 01:51:16,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,403 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6750 [2024-10-24 01:51:16,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 01:51:16,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 01:51:16,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 01:51:16,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 01:51:16,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,512 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]. [2024-10-24 01:51:16,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 01:51:16,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 01:51:16,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 01:51:16,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 01:51:16,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (1/1) ... [2024-10-24 01:51:16,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:51:16,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:51:16,707 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) [2024-10-24 01:51:16,711 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 [2024-10-24 01:51:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 01:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 01:51:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 01:51:16,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 01:51:16,991 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 01:51:16,993 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 01:51:20,132 INFO L? ?]: Removed 1001 outVars from TransFormulas that were not future-live. [2024-10-24 01:51:20,132 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 01:51:20,258 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 01:51:20,258 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 01:51:20,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:51:20 BoogieIcfgContainer [2024-10-24 01:51:20,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 01:51:20,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 01:51:20,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 01:51:20,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 01:51:20,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:51:14" (1/3) ... [2024-10-24 01:51:20,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65aa43c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:51:20, skipping insertion in model container [2024-10-24 01:51:20,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:16" (2/3) ... [2024-10-24 01:51:20,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65aa43c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:51:20, skipping insertion in model container [2024-10-24 01:51:20,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:51:20" (3/3) ... [2024-10-24 01:51:20,269 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-24 01:51:20,284 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 01:51:20,284 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-24 01:51:20,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 01:51:20,396 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;@11292a19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 01:51:20,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-24 01:51:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 1122 states, 1099 states have (on average 1.8616924476797088) internal successors, (2046), 1121 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 01:51:20,435 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:20,440 INFO L215 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] [2024-10-24 01:51:20,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:20,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:20,447 INFO L85 PathProgramCache]: Analyzing trace with hash -744865271, now seen corresponding path program 1 times [2024-10-24 01:51:20,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:20,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413429241] [2024-10-24 01:51:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:21,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:21,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413429241] [2024-10-24 01:51:21,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413429241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:21,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:21,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:51:21,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729711333] [2024-10-24 01:51:21,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:21,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:51:21,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:21,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:51:21,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:51:21,247 INFO L87 Difference]: Start difference. First operand has 1122 states, 1099 states have (on average 1.8616924476797088) internal successors, (2046), 1121 states have internal predecessors, (2046), 0 states have call successors, (0), 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 16.8) internal successors, (84), 4 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) [2024-10-24 01:51:22,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:22,002 INFO L93 Difference]: Finished difference Result 1697 states and 2993 transitions. [2024-10-24 01:51:22,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:51:22,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 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 [2024-10-24 01:51:22,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:22,023 INFO L225 Difference]: With dead ends: 1697 [2024-10-24 01:51:22,023 INFO L226 Difference]: Without dead ends: 876 [2024-10-24 01:51:22,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:51:22,030 INFO L432 NwaCegarLoop]: 1016 mSDtfsCounter, 4497 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4497 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:22,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4497 Valid, 1056 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:51:22,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2024-10-24 01:51:22,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2024-10-24 01:51:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 854 states have (on average 1.3185011709601873) internal successors, (1126), 875 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1126 transitions. [2024-10-24 01:51:22,112 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1126 transitions. Word has length 84 [2024-10-24 01:51:22,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:22,112 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1126 transitions. [2024-10-24 01:51:22,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 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) [2024-10-24 01:51:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1126 transitions. [2024-10-24 01:51:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-24 01:51:22,116 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:22,116 INFO L215 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] [2024-10-24 01:51:22,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 01:51:22,117 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:22,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:22,117 INFO L85 PathProgramCache]: Analyzing trace with hash 861830130, now seen corresponding path program 1 times [2024-10-24 01:51:22,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:22,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530212742] [2024-10-24 01:51:22,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:22,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:22,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:22,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530212742] [2024-10-24 01:51:22,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530212742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:22,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:22,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:51:22,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862594303] [2024-10-24 01:51:22,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:22,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:51:22,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:22,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:51:22,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:51:22,393 INFO L87 Difference]: Start difference. First operand 876 states and 1126 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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) [2024-10-24 01:51:23,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:23,012 INFO L93 Difference]: Finished difference Result 1445 states and 1914 transitions. [2024-10-24 01:51:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:51:23,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 [2024-10-24 01:51:23,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:23,016 INFO L225 Difference]: With dead ends: 1445 [2024-10-24 01:51:23,016 INFO L226 Difference]: Without dead ends: 796 [2024-10-24 01:51:23,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:51:23,019 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 2954 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:23,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 523 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:51:23,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-10-24 01:51:23,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2024-10-24 01:51:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 774 states have (on average 1.3294573643410852) internal successors, (1029), 795 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:23,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1029 transitions. [2024-10-24 01:51:23,039 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1029 transitions. Word has length 85 [2024-10-24 01:51:23,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:23,040 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1029 transitions. [2024-10-24 01:51:23,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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) [2024-10-24 01:51:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1029 transitions. [2024-10-24 01:51:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-24 01:51:23,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:23,043 INFO L215 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] [2024-10-24 01:51:23,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 01:51:23,043 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:23,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:23,044 INFO L85 PathProgramCache]: Analyzing trace with hash 212889132, now seen corresponding path program 1 times [2024-10-24 01:51:23,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:23,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740623769] [2024-10-24 01:51:23,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:23,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:23,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:23,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740623769] [2024-10-24 01:51:23,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740623769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:23,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:23,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:51:23,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481854188] [2024-10-24 01:51:23,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:23,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:51:23,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:23,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:51:23,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:51:23,238 INFO L87 Difference]: Start difference. First operand 796 states and 1029 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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) [2024-10-24 01:51:23,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:23,780 INFO L93 Difference]: Finished difference Result 1365 states and 1816 transitions. [2024-10-24 01:51:23,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:51:23,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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 [2024-10-24 01:51:23,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:23,783 INFO L225 Difference]: With dead ends: 1365 [2024-10-24 01:51:23,784 INFO L226 Difference]: Without dead ends: 720 [2024-10-24 01:51:23,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:51:23,786 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 2743 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2743 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:23,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2743 Valid, 537 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:51:23,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-10-24 01:51:23,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2024-10-24 01:51:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 698 states have (on average 1.3524355300859598) internal successors, (944), 719 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 944 transitions. [2024-10-24 01:51:23,800 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 944 transitions. Word has length 86 [2024-10-24 01:51:23,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:23,800 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 944 transitions. [2024-10-24 01:51:23,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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) [2024-10-24 01:51:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 944 transitions. [2024-10-24 01:51:23,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 01:51:23,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:23,803 INFO L215 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] [2024-10-24 01:51:23,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 01:51:23,803 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:23,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:23,804 INFO L85 PathProgramCache]: Analyzing trace with hash 595317579, now seen corresponding path program 1 times [2024-10-24 01:51:23,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:23,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154054652] [2024-10-24 01:51:23,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:23,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:23,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:23,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154054652] [2024-10-24 01:51:23,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154054652] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:23,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:23,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:51:23,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959168009] [2024-10-24 01:51:23,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:23,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:51:23,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:23,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:51:23,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:51:23,992 INFO L87 Difference]: Start difference. First operand 720 states and 944 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:24,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:24,425 INFO L93 Difference]: Finished difference Result 1289 states and 1730 transitions. [2024-10-24 01:51:24,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:51:24,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-24 01:51:24,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:24,429 INFO L225 Difference]: With dead ends: 1289 [2024-10-24 01:51:24,429 INFO L226 Difference]: Without dead ends: 670 [2024-10-24 01:51:24,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:51:24,431 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 2605 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2605 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:24,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2605 Valid, 509 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:51:24,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-10-24 01:51:24,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2024-10-24 01:51:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 648 states have (on average 1.3719135802469136) internal successors, (889), 669 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 889 transitions. [2024-10-24 01:51:24,446 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 889 transitions. Word has length 87 [2024-10-24 01:51:24,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:24,447 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 889 transitions. [2024-10-24 01:51:24,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 889 transitions. [2024-10-24 01:51:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 01:51:24,450 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:24,450 INFO L215 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] [2024-10-24 01:51:24,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 01:51:24,451 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:24,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:24,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1127238977, now seen corresponding path program 1 times [2024-10-24 01:51:24,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:24,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106771863] [2024-10-24 01:51:24,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:24,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:24,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:24,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106771863] [2024-10-24 01:51:24,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106771863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:24,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:24,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:51:24,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915731590] [2024-10-24 01:51:24,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:24,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:51:24,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:24,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:51:24,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:51:24,654 INFO L87 Difference]: Start difference. First operand 670 states and 889 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:25,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:25,337 INFO L93 Difference]: Finished difference Result 1585 states and 2142 transitions. [2024-10-24 01:51:25,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:51:25,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-10-24 01:51:25,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:25,342 INFO L225 Difference]: With dead ends: 1585 [2024-10-24 01:51:25,342 INFO L226 Difference]: Without dead ends: 988 [2024-10-24 01:51:25,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:51:25,344 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 3457 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3457 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:25,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3457 Valid, 754 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:51:25,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-10-24 01:51:25,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 908. [2024-10-24 01:51:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.4209932279909707) internal successors, (1259), 907 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1259 transitions. [2024-10-24 01:51:25,366 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1259 transitions. Word has length 88 [2024-10-24 01:51:25,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:25,371 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1259 transitions. [2024-10-24 01:51:25,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1259 transitions. [2024-10-24 01:51:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-24 01:51:25,374 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:25,374 INFO L215 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] [2024-10-24 01:51:25,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 01:51:25,374 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:25,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:25,375 INFO L85 PathProgramCache]: Analyzing trace with hash -81085098, now seen corresponding path program 1 times [2024-10-24 01:51:25,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:25,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430919021] [2024-10-24 01:51:25,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:25,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:25,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:25,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430919021] [2024-10-24 01:51:25,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430919021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:25,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:25,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:51:25,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586598217] [2024-10-24 01:51:25,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:25,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:51:25,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:25,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:51:25,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:51:25,575 INFO L87 Difference]: Start difference. First operand 908 states and 1259 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:26,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:26,069 INFO L93 Difference]: Finished difference Result 1743 states and 2444 transitions. [2024-10-24 01:51:26,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:51:26,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-10-24 01:51:26,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:26,073 INFO L225 Difference]: With dead ends: 1743 [2024-10-24 01:51:26,074 INFO L226 Difference]: Without dead ends: 900 [2024-10-24 01:51:26,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:51:26,076 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 2437 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2437 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:26,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2437 Valid, 469 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:51:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-10-24 01:51:26,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2024-10-24 01:51:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4214123006833712) internal successors, (1248), 899 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1248 transitions. [2024-10-24 01:51:26,097 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1248 transitions. Word has length 89 [2024-10-24 01:51:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:26,098 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1248 transitions. [2024-10-24 01:51:26,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1248 transitions. [2024-10-24 01:51:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 01:51:26,100 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:26,100 INFO L215 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] [2024-10-24 01:51:26,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 01:51:26,101 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:26,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:26,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1177000506, now seen corresponding path program 1 times [2024-10-24 01:51:26,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:26,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126848639] [2024-10-24 01:51:26,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:26,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:26,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:26,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126848639] [2024-10-24 01:51:26,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126848639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:26,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:26,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:51:26,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105277641] [2024-10-24 01:51:26,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:26,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:51:26,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:26,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:51:26,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:51:26,513 INFO L87 Difference]: Start difference. First operand 900 states and 1248 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:27,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:27,516 INFO L93 Difference]: Finished difference Result 1638 states and 2212 transitions. [2024-10-24 01:51:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:51:27,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-10-24 01:51:27,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:27,521 INFO L225 Difference]: With dead ends: 1638 [2024-10-24 01:51:27,521 INFO L226 Difference]: Without dead ends: 1221 [2024-10-24 01:51:27,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:51:27,523 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 2874 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:27,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2874 Valid, 1381 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:51:27,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-10-24 01:51:27,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 900. [2024-10-24 01:51:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4202733485193622) internal successors, (1247), 899 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:27,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1247 transitions. [2024-10-24 01:51:27,544 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1247 transitions. Word has length 90 [2024-10-24 01:51:27,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:27,544 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1247 transitions. [2024-10-24 01:51:27,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:27,545 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1247 transitions. [2024-10-24 01:51:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 01:51:27,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:27,546 INFO L215 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] [2024-10-24 01:51:27,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 01:51:27,547 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:27,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:27,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1435926047, now seen corresponding path program 1 times [2024-10-24 01:51:27,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:27,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070463461] [2024-10-24 01:51:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:27,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:28,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:28,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:28,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070463461] [2024-10-24 01:51:28,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070463461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:28,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:28,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:51:28,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122566855] [2024-10-24 01:51:28,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:28,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:51:28,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:28,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:51:28,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:51:28,043 INFO L87 Difference]: Start difference. First operand 900 states and 1247 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:29,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:29,437 INFO L93 Difference]: Finished difference Result 1587 states and 2212 transitions. [2024-10-24 01:51:29,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:51:29,438 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-10-24 01:51:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:29,443 INFO L225 Difference]: With dead ends: 1587 [2024-10-24 01:51:29,443 INFO L226 Difference]: Without dead ends: 1416 [2024-10-24 01:51:29,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2024-10-24 01:51:29,444 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 4397 mSDsluCounter, 2022 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4397 SdHoareTripleChecker+Valid, 2488 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:29,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4397 Valid, 2488 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 01:51:29,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-10-24 01:51:29,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 907. [2024-10-24 01:51:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 885 states have (on average 1.4203389830508475) internal successors, (1257), 906 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1257 transitions. [2024-10-24 01:51:29,468 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1257 transitions. Word has length 90 [2024-10-24 01:51:29,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:29,469 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1257 transitions. [2024-10-24 01:51:29,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1257 transitions. [2024-10-24 01:51:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 01:51:29,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:29,471 INFO L215 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] [2024-10-24 01:51:29,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 01:51:29,471 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:29,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:29,472 INFO L85 PathProgramCache]: Analyzing trace with hash 546881237, now seen corresponding path program 1 times [2024-10-24 01:51:29,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:29,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536222890] [2024-10-24 01:51:29,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:29,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:29,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:29,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536222890] [2024-10-24 01:51:29,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536222890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:29,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:29,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:29,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468368176] [2024-10-24 01:51:29,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:29,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:29,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:29,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:29,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:29,854 INFO L87 Difference]: Start difference. First operand 907 states and 1257 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:30,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:30,824 INFO L93 Difference]: Finished difference Result 1242 states and 1742 transitions. [2024-10-24 01:51:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:51:30,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-10-24 01:51:30,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:30,828 INFO L225 Difference]: With dead ends: 1242 [2024-10-24 01:51:30,828 INFO L226 Difference]: Without dead ends: 978 [2024-10-24 01:51:30,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:51:30,831 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 1453 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 1641 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 2486 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:30,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 2486 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1641 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:51:30,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-10-24 01:51:30,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 900. [2024-10-24 01:51:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.419134396355353) internal successors, (1246), 899 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1246 transitions. [2024-10-24 01:51:30,849 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1246 transitions. Word has length 90 [2024-10-24 01:51:30,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:30,849 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1246 transitions. [2024-10-24 01:51:30,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:30,851 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1246 transitions. [2024-10-24 01:51:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 01:51:30,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:30,852 INFO L215 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] [2024-10-24 01:51:30,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 01:51:30,853 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:30,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:30,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1452291629, now seen corresponding path program 1 times [2024-10-24 01:51:30,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:30,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647615266] [2024-10-24 01:51:30,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:30,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:31,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:31,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647615266] [2024-10-24 01:51:31,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647615266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:31,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:31,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:31,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152971161] [2024-10-24 01:51:31,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:31,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:31,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:31,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:31,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:31,189 INFO L87 Difference]: Start difference. First operand 900 states and 1246 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:32,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:32,317 INFO L93 Difference]: Finished difference Result 1330 states and 1812 transitions. [2024-10-24 01:51:32,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:51:32,317 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-10-24 01:51:32,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:32,322 INFO L225 Difference]: With dead ends: 1330 [2024-10-24 01:51:32,323 INFO L226 Difference]: Without dead ends: 1325 [2024-10-24 01:51:32,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:51:32,324 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 3476 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3476 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:32,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3476 Valid, 1866 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:51:32,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-10-24 01:51:32,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 900. [2024-10-24 01:51:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.417995444191344) internal successors, (1245), 899 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1245 transitions. [2024-10-24 01:51:32,347 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1245 transitions. Word has length 90 [2024-10-24 01:51:32,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:32,348 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1245 transitions. [2024-10-24 01:51:32,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1245 transitions. [2024-10-24 01:51:32,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:51:32,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:32,350 INFO L215 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] [2024-10-24 01:51:32,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 01:51:32,352 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:32,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:32,353 INFO L85 PathProgramCache]: Analyzing trace with hash 280311879, now seen corresponding path program 1 times [2024-10-24 01:51:32,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:32,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061486921] [2024-10-24 01:51:32,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:32,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:32,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:32,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:32,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061486921] [2024-10-24 01:51:32,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061486921] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:32,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:32,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 01:51:32,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040820790] [2024-10-24 01:51:32,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:32,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 01:51:32,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:32,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 01:51:32,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 01:51:32,872 INFO L87 Difference]: Start difference. First operand 900 states and 1245 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:34,112 INFO L93 Difference]: Finished difference Result 1519 states and 2132 transitions. [2024-10-24 01:51:34,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 01:51:34,113 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-24 01:51:34,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:34,116 INFO L225 Difference]: With dead ends: 1519 [2024-10-24 01:51:34,116 INFO L226 Difference]: Without dead ends: 1119 [2024-10-24 01:51:34,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2024-10-24 01:51:34,117 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 2657 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2657 SdHoareTripleChecker+Valid, 2684 SdHoareTripleChecker+Invalid, 2179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:34,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2657 Valid, 2684 Invalid, 2179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:51:34,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-10-24 01:51:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 900. [2024-10-24 01:51:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4157175398633257) internal successors, (1243), 899 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1243 transitions. [2024-10-24 01:51:34,132 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1243 transitions. Word has length 92 [2024-10-24 01:51:34,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:34,133 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1243 transitions. [2024-10-24 01:51:34,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1243 transitions. [2024-10-24 01:51:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:51:34,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:34,135 INFO L215 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] [2024-10-24 01:51:34,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 01:51:34,135 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:34,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:34,136 INFO L85 PathProgramCache]: Analyzing trace with hash 347470600, now seen corresponding path program 1 times [2024-10-24 01:51:34,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:34,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792933807] [2024-10-24 01:51:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:34,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:34,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:34,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792933807] [2024-10-24 01:51:34,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792933807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:34,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:34,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:34,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083597171] [2024-10-24 01:51:34,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:34,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:34,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:34,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:34,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:34,403 INFO L87 Difference]: Start difference. First operand 900 states and 1243 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:35,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:35,303 INFO L93 Difference]: Finished difference Result 1537 states and 2131 transitions. [2024-10-24 01:51:35,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:51:35,304 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-24 01:51:35,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:35,307 INFO L225 Difference]: With dead ends: 1537 [2024-10-24 01:51:35,308 INFO L226 Difference]: Without dead ends: 1373 [2024-10-24 01:51:35,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:51:35,309 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 2227 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2227 SdHoareTripleChecker+Valid, 1993 SdHoareTripleChecker+Invalid, 1637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:35,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2227 Valid, 1993 Invalid, 1637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1633 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:51:35,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2024-10-24 01:51:35,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 900. [2024-10-24 01:51:35,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4134396355353076) internal successors, (1241), 899 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1241 transitions. [2024-10-24 01:51:35,326 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1241 transitions. Word has length 92 [2024-10-24 01:51:35,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:35,326 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1241 transitions. [2024-10-24 01:51:35,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:35,326 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1241 transitions. [2024-10-24 01:51:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:51:35,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:35,328 INFO L215 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] [2024-10-24 01:51:35,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 01:51:35,328 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:35,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:35,329 INFO L85 PathProgramCache]: Analyzing trace with hash -950419438, now seen corresponding path program 1 times [2024-10-24 01:51:35,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:35,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296549338] [2024-10-24 01:51:35,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:35,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:35,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296549338] [2024-10-24 01:51:35,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296549338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:35,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:35,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:35,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328649863] [2024-10-24 01:51:35,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:35,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:35,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:35,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:35,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:35,664 INFO L87 Difference]: Start difference. First operand 900 states and 1241 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:36,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:36,786 INFO L93 Difference]: Finished difference Result 1669 states and 2329 transitions. [2024-10-24 01:51:36,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:51:36,786 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-24 01:51:36,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:36,790 INFO L225 Difference]: With dead ends: 1669 [2024-10-24 01:51:36,790 INFO L226 Difference]: Without dead ends: 1425 [2024-10-24 01:51:36,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:51:36,791 INFO L432 NwaCegarLoop]: 916 mSDtfsCounter, 1723 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 2411 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 3574 SdHoareTripleChecker+Invalid, 2414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:36,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 3574 Invalid, 2414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2411 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:51:36,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2024-10-24 01:51:36,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 900. [2024-10-24 01:51:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4111617312072893) internal successors, (1239), 899 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:36,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1239 transitions. [2024-10-24 01:51:36,807 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1239 transitions. Word has length 92 [2024-10-24 01:51:36,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:36,808 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1239 transitions. [2024-10-24 01:51:36,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1239 transitions. [2024-10-24 01:51:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:51:36,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:36,810 INFO L215 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] [2024-10-24 01:51:36,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 01:51:36,810 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:36,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:36,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1340210149, now seen corresponding path program 1 times [2024-10-24 01:51:36,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:36,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711658429] [2024-10-24 01:51:36,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:36,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:37,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:37,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711658429] [2024-10-24 01:51:37,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711658429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:37,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:37,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:37,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077034108] [2024-10-24 01:51:37,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:37,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:37,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:37,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:37,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:37,094 INFO L87 Difference]: Start difference. First operand 900 states and 1239 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:37,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:37,933 INFO L93 Difference]: Finished difference Result 1476 states and 2025 transitions. [2024-10-24 01:51:37,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:51:37,934 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-24 01:51:37,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:37,937 INFO L225 Difference]: With dead ends: 1476 [2024-10-24 01:51:37,937 INFO L226 Difference]: Without dead ends: 1325 [2024-10-24 01:51:37,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:51:37,938 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 3428 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3428 SdHoareTripleChecker+Valid, 1898 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:37,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3428 Valid, 1898 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1620 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:51:37,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-10-24 01:51:37,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 900. [2024-10-24 01:51:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4100227790432802) internal successors, (1238), 899 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1238 transitions. [2024-10-24 01:51:37,952 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1238 transitions. Word has length 92 [2024-10-24 01:51:37,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:37,953 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1238 transitions. [2024-10-24 01:51:37,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:37,953 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1238 transitions. [2024-10-24 01:51:37,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:51:37,954 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:37,955 INFO L215 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] [2024-10-24 01:51:37,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 01:51:37,955 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:37,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:37,955 INFO L85 PathProgramCache]: Analyzing trace with hash 2065712337, now seen corresponding path program 1 times [2024-10-24 01:51:37,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:37,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106572763] [2024-10-24 01:51:37,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:37,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:38,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:38,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106572763] [2024-10-24 01:51:38,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106572763] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:38,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:38,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:38,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595109026] [2024-10-24 01:51:38,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:38,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:38,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:38,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:38,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:38,230 INFO L87 Difference]: Start difference. First operand 900 states and 1238 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:39,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:39,308 INFO L93 Difference]: Finished difference Result 1635 states and 2276 transitions. [2024-10-24 01:51:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:51:39,308 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-24 01:51:39,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:39,313 INFO L225 Difference]: With dead ends: 1635 [2024-10-24 01:51:39,313 INFO L226 Difference]: Without dead ends: 1425 [2024-10-24 01:51:39,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:51:39,314 INFO L432 NwaCegarLoop]: 816 mSDtfsCounter, 1720 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 2476 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 3575 SdHoareTripleChecker+Invalid, 2480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:39,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1720 Valid, 3575 Invalid, 2480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2476 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:51:39,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2024-10-24 01:51:39,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 900. [2024-10-24 01:51:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4088838268792712) internal successors, (1237), 899 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1237 transitions. [2024-10-24 01:51:39,332 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1237 transitions. Word has length 92 [2024-10-24 01:51:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:39,333 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1237 transitions. [2024-10-24 01:51:39,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1237 transitions. [2024-10-24 01:51:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:51:39,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:39,335 INFO L215 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] [2024-10-24 01:51:39,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 01:51:39,336 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:39,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:39,336 INFO L85 PathProgramCache]: Analyzing trace with hash -806896861, now seen corresponding path program 1 times [2024-10-24 01:51:39,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:39,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828852085] [2024-10-24 01:51:39,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:39,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:39,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:39,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:39,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828852085] [2024-10-24 01:51:39,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828852085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:39,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:39,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:39,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843423996] [2024-10-24 01:51:39,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:39,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:39,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:39,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:39,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:39,695 INFO L87 Difference]: Start difference. First operand 900 states and 1237 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:40,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:40,814 INFO L93 Difference]: Finished difference Result 1620 states and 2258 transitions. [2024-10-24 01:51:40,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:51:40,815 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-24 01:51:40,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:40,818 INFO L225 Difference]: With dead ends: 1620 [2024-10-24 01:51:40,818 INFO L226 Difference]: Without dead ends: 1425 [2024-10-24 01:51:40,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:51:40,819 INFO L432 NwaCegarLoop]: 820 mSDtfsCounter, 2550 mSDsluCounter, 2772 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2550 SdHoareTripleChecker+Valid, 3592 SdHoareTripleChecker+Invalid, 2462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:40,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2550 Valid, 3592 Invalid, 2462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2458 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:51:40,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2024-10-24 01:51:40,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 900. [2024-10-24 01:51:40,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4077448747152619) internal successors, (1236), 899 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:40,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1236 transitions. [2024-10-24 01:51:40,835 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1236 transitions. Word has length 92 [2024-10-24 01:51:40,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:40,836 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1236 transitions. [2024-10-24 01:51:40,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1236 transitions. [2024-10-24 01:51:40,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 01:51:40,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:40,838 INFO L215 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] [2024-10-24 01:51:40,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 01:51:40,838 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:40,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:40,839 INFO L85 PathProgramCache]: Analyzing trace with hash -98755353, now seen corresponding path program 1 times [2024-10-24 01:51:40,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:40,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940252982] [2024-10-24 01:51:40,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:40,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:41,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:41,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940252982] [2024-10-24 01:51:41,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940252982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:41,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:41,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:41,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984841733] [2024-10-24 01:51:41,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:41,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:41,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:41,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:41,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:41,175 INFO L87 Difference]: Start difference. First operand 900 states and 1236 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:41,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:41,978 INFO L93 Difference]: Finished difference Result 1527 states and 2109 transitions. [2024-10-24 01:51:41,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:51:41,979 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-24 01:51:41,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:41,983 INFO L225 Difference]: With dead ends: 1527 [2024-10-24 01:51:41,983 INFO L226 Difference]: Without dead ends: 1373 [2024-10-24 01:51:41,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:51:41,984 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 3442 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 1993 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:41,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3442 Valid, 1993 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1614 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:51:41,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2024-10-24 01:51:41,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 900. [2024-10-24 01:51:41,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4066059225512528) internal successors, (1235), 899 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1235 transitions. [2024-10-24 01:51:42,000 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1235 transitions. Word has length 92 [2024-10-24 01:51:42,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:42,001 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1235 transitions. [2024-10-24 01:51:42,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1235 transitions. [2024-10-24 01:51:42,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:42,003 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:42,003 INFO L215 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] [2024-10-24 01:51:42,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 01:51:42,003 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:42,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:42,004 INFO L85 PathProgramCache]: Analyzing trace with hash 514536132, now seen corresponding path program 1 times [2024-10-24 01:51:42,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:42,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663684491] [2024-10-24 01:51:42,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:42,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:42,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:42,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663684491] [2024-10-24 01:51:42,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663684491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:42,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:42,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:42,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599824156] [2024-10-24 01:51:42,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:42,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:42,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:42,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:42,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:42,366 INFO L87 Difference]: Start difference. First operand 900 states and 1235 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:43,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:43,383 INFO L93 Difference]: Finished difference Result 1599 states and 2217 transitions. [2024-10-24 01:51:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:51:43,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:43,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:43,387 INFO L225 Difference]: With dead ends: 1599 [2024-10-24 01:51:43,387 INFO L226 Difference]: Without dead ends: 1397 [2024-10-24 01:51:43,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:51:43,389 INFO L432 NwaCegarLoop]: 696 mSDtfsCounter, 2555 mSDsluCounter, 2490 mSDsCounter, 0 mSdLazyCounter, 2322 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2555 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:43,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2555 Valid, 3186 Invalid, 2326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2322 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:51:43,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2024-10-24 01:51:43,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 900. [2024-10-24 01:51:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4043280182232347) internal successors, (1233), 899 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1233 transitions. [2024-10-24 01:51:43,404 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1233 transitions. Word has length 94 [2024-10-24 01:51:43,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:43,404 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1233 transitions. [2024-10-24 01:51:43,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1233 transitions. [2024-10-24 01:51:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:43,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:43,406 INFO L215 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] [2024-10-24 01:51:43,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 01:51:43,407 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:43,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:43,407 INFO L85 PathProgramCache]: Analyzing trace with hash 105690904, now seen corresponding path program 1 times [2024-10-24 01:51:43,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:43,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742876687] [2024-10-24 01:51:43,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:43,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:43,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:43,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742876687] [2024-10-24 01:51:43,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742876687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:43,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:43,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:43,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776795113] [2024-10-24 01:51:43,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:43,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:43,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:43,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:43,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:43,767 INFO L87 Difference]: Start difference. First operand 900 states and 1233 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:44,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:44,901 INFO L93 Difference]: Finished difference Result 1541 states and 2123 transitions. [2024-10-24 01:51:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:51:44,901 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:44,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:44,904 INFO L225 Difference]: With dead ends: 1541 [2024-10-24 01:51:44,904 INFO L226 Difference]: Without dead ends: 1373 [2024-10-24 01:51:44,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:51:44,905 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 2602 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2602 SdHoareTripleChecker+Valid, 2607 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:44,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2602 Valid, 2607 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2006 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:51:44,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2024-10-24 01:51:44,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 900. [2024-10-24 01:51:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4020501138952164) internal successors, (1231), 899 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1231 transitions. [2024-10-24 01:51:44,919 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1231 transitions. Word has length 94 [2024-10-24 01:51:44,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:44,920 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1231 transitions. [2024-10-24 01:51:44,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1231 transitions. [2024-10-24 01:51:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:44,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:44,922 INFO L215 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] [2024-10-24 01:51:44,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 01:51:44,922 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:44,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:44,922 INFO L85 PathProgramCache]: Analyzing trace with hash 909968804, now seen corresponding path program 1 times [2024-10-24 01:51:44,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:44,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707201946] [2024-10-24 01:51:44,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:44,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:45,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:45,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707201946] [2024-10-24 01:51:45,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707201946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:45,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:45,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:51:45,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109012569] [2024-10-24 01:51:45,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:45,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:51:45,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:45,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:51:45,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:51:45,482 INFO L87 Difference]: Start difference. First operand 900 states and 1231 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:47,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:47,075 INFO L93 Difference]: Finished difference Result 2301 states and 3244 transitions. [2024-10-24 01:51:47,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:51:47,076 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:47,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:47,080 INFO L225 Difference]: With dead ends: 2301 [2024-10-24 01:51:47,081 INFO L226 Difference]: Without dead ends: 2025 [2024-10-24 01:51:47,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:51:47,082 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 5420 mSDsluCounter, 2848 mSDsCounter, 0 mSdLazyCounter, 2867 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5420 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 3067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 2867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:47,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5420 Valid, 3543 Invalid, 3067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 2867 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 01:51:47,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2024-10-24 01:51:47,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 908. [2024-10-24 01:51:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3984198645598194) internal successors, (1239), 907 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1239 transitions. [2024-10-24 01:51:47,099 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1239 transitions. Word has length 94 [2024-10-24 01:51:47,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:47,099 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1239 transitions. [2024-10-24 01:51:47,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1239 transitions. [2024-10-24 01:51:47,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:47,101 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:47,101 INFO L215 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] [2024-10-24 01:51:47,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 01:51:47,102 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:47,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:47,102 INFO L85 PathProgramCache]: Analyzing trace with hash -2106541419, now seen corresponding path program 1 times [2024-10-24 01:51:47,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:47,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361613231] [2024-10-24 01:51:47,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:47,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:47,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:47,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361613231] [2024-10-24 01:51:47,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361613231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:47,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:47,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:47,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245972366] [2024-10-24 01:51:47,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:47,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:47,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:47,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:47,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:47,366 INFO L87 Difference]: Start difference. First operand 908 states and 1239 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:48,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:48,236 INFO L93 Difference]: Finished difference Result 1483 states and 2023 transitions. [2024-10-24 01:51:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:51:48,237 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:48,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:48,241 INFO L225 Difference]: With dead ends: 1483 [2024-10-24 01:51:48,241 INFO L226 Difference]: Without dead ends: 1333 [2024-10-24 01:51:48,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:51:48,243 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 2229 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 1644 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 1957 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:48,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2229 Valid, 1957 Invalid, 1648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1644 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:51:48,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-10-24 01:51:48,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 908. [2024-10-24 01:51:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3961625282167043) internal successors, (1237), 907 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1237 transitions. [2024-10-24 01:51:48,261 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1237 transitions. Word has length 94 [2024-10-24 01:51:48,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:48,261 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1237 transitions. [2024-10-24 01:51:48,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1237 transitions. [2024-10-24 01:51:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:48,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:48,264 INFO L215 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] [2024-10-24 01:51:48,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 01:51:48,264 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:48,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:48,265 INFO L85 PathProgramCache]: Analyzing trace with hash 922822972, now seen corresponding path program 1 times [2024-10-24 01:51:48,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:48,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293723884] [2024-10-24 01:51:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:48,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:48,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:48,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293723884] [2024-10-24 01:51:48,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293723884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:48,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:48,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:48,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693728981] [2024-10-24 01:51:48,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:48,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:48,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:48,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:48,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:48,556 INFO L87 Difference]: Start difference. First operand 908 states and 1237 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:49,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:49,444 INFO L93 Difference]: Finished difference Result 1595 states and 2201 transitions. [2024-10-24 01:51:49,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:51:49,447 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:49,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:49,453 INFO L225 Difference]: With dead ends: 1595 [2024-10-24 01:51:49,454 INFO L226 Difference]: Without dead ends: 1405 [2024-10-24 01:51:49,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:51:49,455 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 1940 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 2571 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:49,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 2571 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:51:49,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2024-10-24 01:51:49,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 908. [2024-10-24 01:51:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3939051918735892) internal successors, (1235), 907 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:49,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1235 transitions. [2024-10-24 01:51:49,468 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1235 transitions. Word has length 94 [2024-10-24 01:51:49,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:49,469 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1235 transitions. [2024-10-24 01:51:49,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1235 transitions. [2024-10-24 01:51:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:49,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:49,471 INFO L215 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] [2024-10-24 01:51:49,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 01:51:49,471 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:49,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:49,472 INFO L85 PathProgramCache]: Analyzing trace with hash 556568795, now seen corresponding path program 1 times [2024-10-24 01:51:49,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:49,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733423534] [2024-10-24 01:51:49,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:49,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:49,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:49,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733423534] [2024-10-24 01:51:49,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733423534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:49,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:49,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:49,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304548981] [2024-10-24 01:51:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:49,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:49,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:49,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:49,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:49,763 INFO L87 Difference]: Start difference. First operand 908 states and 1235 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:50,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:50,722 INFO L93 Difference]: Finished difference Result 1543 states and 2116 transitions. [2024-10-24 01:51:50,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:51:50,723 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:50,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:50,725 INFO L225 Difference]: With dead ends: 1543 [2024-10-24 01:51:50,725 INFO L226 Difference]: Without dead ends: 1381 [2024-10-24 01:51:50,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:51:50,731 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 2592 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 2035 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2592 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:50,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2592 Valid, 2687 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2035 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:51:50,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-10-24 01:51:50,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 908. [2024-10-24 01:51:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.391647855530474) internal successors, (1233), 907 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1233 transitions. [2024-10-24 01:51:50,746 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1233 transitions. Word has length 94 [2024-10-24 01:51:50,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:50,746 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1233 transitions. [2024-10-24 01:51:50,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1233 transitions. [2024-10-24 01:51:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:50,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:50,748 INFO L215 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] [2024-10-24 01:51:50,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 01:51:50,749 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:50,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:50,749 INFO L85 PathProgramCache]: Analyzing trace with hash 2039186161, now seen corresponding path program 1 times [2024-10-24 01:51:50,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:50,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087624158] [2024-10-24 01:51:50,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:50,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:50,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:50,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087624158] [2024-10-24 01:51:50,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087624158] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:50,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:50,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:50,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768427138] [2024-10-24 01:51:50,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:50,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:50,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:50,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:50,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:50,989 INFO L87 Difference]: Start difference. First operand 908 states and 1233 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:51,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:51,805 INFO L93 Difference]: Finished difference Result 1545 states and 2115 transitions. [2024-10-24 01:51:51,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:51:51,805 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:51,807 INFO L225 Difference]: With dead ends: 1545 [2024-10-24 01:51:51,808 INFO L226 Difference]: Without dead ends: 1381 [2024-10-24 01:51:51,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:51:51,809 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 3268 mSDsluCounter, 1664 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:51,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 2168 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:51:51,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-10-24 01:51:51,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 908. [2024-10-24 01:51:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.389390519187359) internal successors, (1231), 907 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:51,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1231 transitions. [2024-10-24 01:51:51,828 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1231 transitions. Word has length 94 [2024-10-24 01:51:51,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:51,829 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1231 transitions. [2024-10-24 01:51:51,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1231 transitions. [2024-10-24 01:51:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:51,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:51,831 INFO L215 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] [2024-10-24 01:51:51,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 01:51:51,831 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:51,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:51,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1846935907, now seen corresponding path program 1 times [2024-10-24 01:51:51,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:51,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30763674] [2024-10-24 01:51:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:51,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:52,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:52,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30763674] [2024-10-24 01:51:52,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30763674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:52,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:52,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:52,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123202105] [2024-10-24 01:51:52,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:52,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:52,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:52,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:52,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:52,049 INFO L87 Difference]: Start difference. First operand 908 states and 1231 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:52,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:52,944 INFO L93 Difference]: Finished difference Result 1595 states and 2192 transitions. [2024-10-24 01:51:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:51:52,945 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:52,947 INFO L225 Difference]: With dead ends: 1595 [2024-10-24 01:51:52,947 INFO L226 Difference]: Without dead ends: 1405 [2024-10-24 01:51:52,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:51:52,949 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 1933 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 2556 SdHoareTripleChecker+Invalid, 2019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:52,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1933 Valid, 2556 Invalid, 2019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:51:52,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2024-10-24 01:51:52,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 908. [2024-10-24 01:51:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3871331828442437) internal successors, (1229), 907 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1229 transitions. [2024-10-24 01:51:52,962 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1229 transitions. Word has length 94 [2024-10-24 01:51:52,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:52,962 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1229 transitions. [2024-10-24 01:51:52,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1229 transitions. [2024-10-24 01:51:52,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:52,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:52,964 INFO L215 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] [2024-10-24 01:51:52,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 01:51:52,965 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:52,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:52,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1204221916, now seen corresponding path program 1 times [2024-10-24 01:51:52,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:52,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848349757] [2024-10-24 01:51:52,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:52,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:53,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:53,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848349757] [2024-10-24 01:51:53,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848349757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:53,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:53,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:53,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94741471] [2024-10-24 01:51:53,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:53,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:53,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:53,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:53,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:53,197 INFO L87 Difference]: Start difference. First operand 908 states and 1229 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:54,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:54,124 INFO L93 Difference]: Finished difference Result 1539 states and 2102 transitions. [2024-10-24 01:51:54,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:51:54,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:54,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:54,127 INFO L225 Difference]: With dead ends: 1539 [2024-10-24 01:51:54,127 INFO L226 Difference]: Without dead ends: 1381 [2024-10-24 01:51:54,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:51:54,128 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 2075 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2075 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:54,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2075 Valid, 2261 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:51:54,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-10-24 01:51:54,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 908. [2024-10-24 01:51:54,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3860045146726863) internal successors, (1228), 907 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:54,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1228 transitions. [2024-10-24 01:51:54,141 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1228 transitions. Word has length 94 [2024-10-24 01:51:54,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:54,141 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1228 transitions. [2024-10-24 01:51:54,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:54,141 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1228 transitions. [2024-10-24 01:51:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:54,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:54,143 INFO L215 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] [2024-10-24 01:51:54,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 01:51:54,144 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:54,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:54,144 INFO L85 PathProgramCache]: Analyzing trace with hash -470567483, now seen corresponding path program 1 times [2024-10-24 01:51:54,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:54,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365243997] [2024-10-24 01:51:54,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:54,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:54,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:54,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365243997] [2024-10-24 01:51:54,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365243997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:54,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:54,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:54,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554739889] [2024-10-24 01:51:54,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:54,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:54,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:54,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:54,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:54,432 INFO L87 Difference]: Start difference. First operand 908 states and 1228 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:55,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:55,508 INFO L93 Difference]: Finished difference Result 1576 states and 2163 transitions. [2024-10-24 01:51:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:51:55,509 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:55,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:55,511 INFO L225 Difference]: With dead ends: 1576 [2024-10-24 01:51:55,511 INFO L226 Difference]: Without dead ends: 1405 [2024-10-24 01:51:55,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:51:55,512 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 2532 mSDsluCounter, 2490 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2532 SdHoareTripleChecker+Valid, 3184 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:55,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2532 Valid, 3184 Invalid, 2282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:51:55,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2024-10-24 01:51:55,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 908. [2024-10-24 01:51:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3848758465011286) internal successors, (1227), 907 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:55,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1227 transitions. [2024-10-24 01:51:55,523 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1227 transitions. Word has length 94 [2024-10-24 01:51:55,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:55,523 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1227 transitions. [2024-10-24 01:51:55,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1227 transitions. [2024-10-24 01:51:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:55,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:55,525 INFO L215 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] [2024-10-24 01:51:55,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 01:51:55,525 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:55,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:55,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2102424565, now seen corresponding path program 1 times [2024-10-24 01:51:55,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:55,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475570289] [2024-10-24 01:51:55,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:55,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:55,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:55,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:55,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475570289] [2024-10-24 01:51:55,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475570289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:55,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:55,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:55,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989373744] [2024-10-24 01:51:55,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:55,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:55,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:55,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:55,800 INFO L87 Difference]: Start difference. First operand 908 states and 1227 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:56,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:56,819 INFO L93 Difference]: Finished difference Result 1535 states and 2096 transitions. [2024-10-24 01:51:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:51:56,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:56,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:56,821 INFO L225 Difference]: With dead ends: 1535 [2024-10-24 01:51:56,821 INFO L226 Difference]: Without dead ends: 1381 [2024-10-24 01:51:56,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:51:56,822 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 2573 mSDsluCounter, 2286 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2573 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:56,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2573 Valid, 2884 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:51:56,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-10-24 01:51:56,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 908. [2024-10-24 01:51:56,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3837471783295712) internal successors, (1226), 907 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1226 transitions. [2024-10-24 01:51:56,834 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1226 transitions. Word has length 94 [2024-10-24 01:51:56,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:56,834 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1226 transitions. [2024-10-24 01:51:56,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1226 transitions. [2024-10-24 01:51:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:56,836 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:56,836 INFO L215 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] [2024-10-24 01:51:56,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 01:51:56,837 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:56,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:56,837 INFO L85 PathProgramCache]: Analyzing trace with hash -210482352, now seen corresponding path program 1 times [2024-10-24 01:51:56,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:56,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049702099] [2024-10-24 01:51:56,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:56,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:57,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:57,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049702099] [2024-10-24 01:51:57,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049702099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:57,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:57,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:51:57,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165599737] [2024-10-24 01:51:57,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:57,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:51:57,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:57,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:51:57,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:51:57,269 INFO L87 Difference]: Start difference. First operand 908 states and 1226 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:58,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:58,712 INFO L93 Difference]: Finished difference Result 2105 states and 2943 transitions. [2024-10-24 01:51:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:51:58,713 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:58,715 INFO L225 Difference]: With dead ends: 2105 [2024-10-24 01:51:58,715 INFO L226 Difference]: Without dead ends: 1925 [2024-10-24 01:51:58,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:51:58,717 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 5462 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 2463 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5462 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 2674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:58,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5462 Valid, 2992 Invalid, 2674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2463 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 01:51:58,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2024-10-24 01:51:58,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 912. [2024-10-24 01:51:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3820224719101124) internal successors, (1230), 911 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1230 transitions. [2024-10-24 01:51:58,728 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1230 transitions. Word has length 94 [2024-10-24 01:51:58,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:58,729 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1230 transitions. [2024-10-24 01:51:58,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1230 transitions. [2024-10-24 01:51:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:58,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:58,730 INFO L215 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] [2024-10-24 01:51:58,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 01:51:58,731 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:58,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:58,731 INFO L85 PathProgramCache]: Analyzing trace with hash -619327580, now seen corresponding path program 1 times [2024-10-24 01:51:58,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:58,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59529037] [2024-10-24 01:51:58,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:58,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:51:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:51:58,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:51:58,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59529037] [2024-10-24 01:51:58,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59529037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:51:58,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:51:58,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:51:58,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624777533] [2024-10-24 01:51:58,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:51:58,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:51:58,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:51:58,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:51:58,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:51:58,969 INFO L87 Difference]: Start difference. First operand 912 states and 1230 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:59,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:51:59,792 INFO L93 Difference]: Finished difference Result 1543 states and 2103 transitions. [2024-10-24 01:51:59,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:51:59,793 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:51:59,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:51:59,795 INFO L225 Difference]: With dead ends: 1543 [2024-10-24 01:51:59,795 INFO L226 Difference]: Without dead ends: 1385 [2024-10-24 01:51:59,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:51:59,796 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 2032 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 1801 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 2340 SdHoareTripleChecker+Invalid, 1805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:51:59,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 2340 Invalid, 1805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1801 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:51:59,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-10-24 01:51:59,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 912. [2024-10-24 01:51:59,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3808988764044945) internal successors, (1229), 911 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1229 transitions. [2024-10-24 01:51:59,806 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1229 transitions. Word has length 94 [2024-10-24 01:51:59,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:51:59,807 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1229 transitions. [2024-10-24 01:51:59,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:51:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1229 transitions. [2024-10-24 01:51:59,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:51:59,808 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:51:59,809 INFO L215 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] [2024-10-24 01:51:59,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 01:51:59,809 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:51:59,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:51:59,809 INFO L85 PathProgramCache]: Analyzing trace with hash 84458881, now seen corresponding path program 1 times [2024-10-24 01:51:59,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:51:59,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452423172] [2024-10-24 01:51:59,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:51:59,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:51:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:00,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:00,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452423172] [2024-10-24 01:52:00,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452423172] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:00,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:00,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:00,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086465561] [2024-10-24 01:52:00,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:00,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:00,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:00,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:00,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:00,101 INFO L87 Difference]: Start difference. First operand 912 states and 1229 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:01,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:01,065 INFO L93 Difference]: Finished difference Result 1570 states and 2153 transitions. [2024-10-24 01:52:01,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:52:01,066 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:52:01,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:01,068 INFO L225 Difference]: With dead ends: 1570 [2024-10-24 01:52:01,068 INFO L226 Difference]: Without dead ends: 1405 [2024-10-24 01:52:01,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:52:01,069 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 2524 mSDsluCounter, 2412 mSDsCounter, 0 mSdLazyCounter, 2206 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 3062 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:01,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2524 Valid, 3062 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2206 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:52:01,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2024-10-24 01:52:01,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 912. [2024-10-24 01:52:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3797752808988764) internal successors, (1228), 911 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1228 transitions. [2024-10-24 01:52:01,079 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1228 transitions. Word has length 94 [2024-10-24 01:52:01,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:01,079 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1228 transitions. [2024-10-24 01:52:01,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1228 transitions. [2024-10-24 01:52:01,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:52:01,081 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:01,081 INFO L215 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] [2024-10-24 01:52:01,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 01:52:01,082 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:01,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:01,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1723188937, now seen corresponding path program 1 times [2024-10-24 01:52:01,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:01,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795714120] [2024-10-24 01:52:01,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:01,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:01,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:01,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795714120] [2024-10-24 01:52:01,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795714120] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:01,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:01,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:01,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827072323] [2024-10-24 01:52:01,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:01,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:01,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:01,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:01,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:01,329 INFO L87 Difference]: Start difference. First operand 912 states and 1228 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:02,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:02,391 INFO L93 Difference]: Finished difference Result 1537 states and 2095 transitions. [2024-10-24 01:52:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:52:02,391 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:52:02,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:02,393 INFO L225 Difference]: With dead ends: 1537 [2024-10-24 01:52:02,393 INFO L226 Difference]: Without dead ends: 1385 [2024-10-24 01:52:02,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:52:02,394 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 1760 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 2957 SdHoareTripleChecker+Invalid, 2130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:02,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 2957 Invalid, 2130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2126 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:52:02,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-10-24 01:52:02,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 912. [2024-10-24 01:52:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3786516853932584) internal successors, (1227), 911 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1227 transitions. [2024-10-24 01:52:02,405 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1227 transitions. Word has length 94 [2024-10-24 01:52:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:02,406 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1227 transitions. [2024-10-24 01:52:02,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1227 transitions. [2024-10-24 01:52:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:52:02,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:02,408 INFO L215 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] [2024-10-24 01:52:02,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 01:52:02,408 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:02,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:02,409 INFO L85 PathProgramCache]: Analyzing trace with hash -431073860, now seen corresponding path program 1 times [2024-10-24 01:52:02,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:02,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921720529] [2024-10-24 01:52:02,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:02,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:02,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:02,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921720529] [2024-10-24 01:52:02,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921720529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:02,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:02,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:02,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564660529] [2024-10-24 01:52:02,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:02,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:02,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:02,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:02,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:02,664 INFO L87 Difference]: Start difference. First operand 912 states and 1227 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:03,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:03,646 INFO L93 Difference]: Finished difference Result 1576 states and 2156 transitions. [2024-10-24 01:52:03,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:52:03,647 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:52:03,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:03,649 INFO L225 Difference]: With dead ends: 1576 [2024-10-24 01:52:03,649 INFO L226 Difference]: Without dead ends: 1405 [2024-10-24 01:52:03,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:52:03,651 INFO L432 NwaCegarLoop]: 620 mSDtfsCounter, 2830 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2830 SdHoareTripleChecker+Valid, 2654 SdHoareTripleChecker+Invalid, 2100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:03,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2830 Valid, 2654 Invalid, 2100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:52:03,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2024-10-24 01:52:03,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 912. [2024-10-24 01:52:03,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3775280898876405) internal successors, (1226), 911 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1226 transitions. [2024-10-24 01:52:03,665 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1226 transitions. Word has length 94 [2024-10-24 01:52:03,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:03,665 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1226 transitions. [2024-10-24 01:52:03,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1226 transitions. [2024-10-24 01:52:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 01:52:03,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:03,667 INFO L215 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] [2024-10-24 01:52:03,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 01:52:03,667 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:03,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:03,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2062930942, now seen corresponding path program 1 times [2024-10-24 01:52:03,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:03,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450981195] [2024-10-24 01:52:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:03,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:03,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:03,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450981195] [2024-10-24 01:52:03,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450981195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:03,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:03,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:03,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592302144] [2024-10-24 01:52:03,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:03,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:03,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:03,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:03,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:03,917 INFO L87 Difference]: Start difference. First operand 912 states and 1226 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:04,865 INFO L93 Difference]: Finished difference Result 1539 states and 2095 transitions. [2024-10-24 01:52:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:52:04,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-24 01:52:04,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:04,867 INFO L225 Difference]: With dead ends: 1539 [2024-10-24 01:52:04,867 INFO L226 Difference]: Without dead ends: 1385 [2024-10-24 01:52:04,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:52:04,868 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 2554 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 3032 SdHoareTripleChecker+Invalid, 2175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:04,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 3032 Invalid, 2175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:52:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-10-24 01:52:04,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 912. [2024-10-24 01:52:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3764044943820224) internal successors, (1225), 911 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1225 transitions. [2024-10-24 01:52:04,877 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1225 transitions. Word has length 94 [2024-10-24 01:52:04,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:04,877 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1225 transitions. [2024-10-24 01:52:04,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1225 transitions. [2024-10-24 01:52:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-24 01:52:04,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:04,879 INFO L215 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] [2024-10-24 01:52:04,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 01:52:04,879 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:04,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:04,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1598397179, now seen corresponding path program 1 times [2024-10-24 01:52:04,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:04,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032500429] [2024-10-24 01:52:04,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:04,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:05,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:05,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032500429] [2024-10-24 01:52:05,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032500429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:05,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:05,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:05,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246389362] [2024-10-24 01:52:05,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:05,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:05,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:05,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:05,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:05,140 INFO L87 Difference]: Start difference. First operand 912 states and 1225 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:06,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:06,201 INFO L93 Difference]: Finished difference Result 1709 states and 2336 transitions. [2024-10-24 01:52:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:52:06,201 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-10-24 01:52:06,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:06,203 INFO L225 Difference]: With dead ends: 1709 [2024-10-24 01:52:06,203 INFO L226 Difference]: Without dead ends: 1433 [2024-10-24 01:52:06,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:52:06,205 INFO L432 NwaCegarLoop]: 726 mSDtfsCounter, 1696 mSDsluCounter, 2368 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1696 SdHoareTripleChecker+Valid, 3094 SdHoareTripleChecker+Invalid, 2314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:06,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1696 Valid, 3094 Invalid, 2314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:52:06,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2024-10-24 01:52:06,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 904. [2024-10-24 01:52:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 882 states have (on average 1.3775510204081634) internal successors, (1215), 903 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1215 transitions. [2024-10-24 01:52:06,217 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1215 transitions. Word has length 95 [2024-10-24 01:52:06,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:06,218 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1215 transitions. [2024-10-24 01:52:06,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1215 transitions. [2024-10-24 01:52:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-24 01:52:06,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:06,220 INFO L215 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] [2024-10-24 01:52:06,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-24 01:52:06,220 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:06,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:06,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1662722339, now seen corresponding path program 1 times [2024-10-24 01:52:06,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:06,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549843187] [2024-10-24 01:52:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:06,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:06,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:06,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549843187] [2024-10-24 01:52:06,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549843187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:06,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:06,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:06,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699389749] [2024-10-24 01:52:06,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:06,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:06,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:06,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:06,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:06,454 INFO L87 Difference]: Start difference. First operand 904 states and 1215 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:07,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:07,381 INFO L93 Difference]: Finished difference Result 1577 states and 2152 transitions. [2024-10-24 01:52:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:52:07,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-10-24 01:52:07,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:07,384 INFO L225 Difference]: With dead ends: 1577 [2024-10-24 01:52:07,385 INFO L226 Difference]: Without dead ends: 1397 [2024-10-24 01:52:07,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:52:07,386 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 1813 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 2099 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:07,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 2800 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2099 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:52:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2024-10-24 01:52:07,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 900. [2024-10-24 01:52:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3781321184510251) internal successors, (1210), 899 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1210 transitions. [2024-10-24 01:52:07,397 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1210 transitions. Word has length 95 [2024-10-24 01:52:07,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:07,398 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1210 transitions. [2024-10-24 01:52:07,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1210 transitions. [2024-10-24 01:52:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:07,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:07,400 INFO L215 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] [2024-10-24 01:52:07,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 01:52:07,400 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:07,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:07,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1766740068, now seen corresponding path program 1 times [2024-10-24 01:52:07,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:07,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547631614] [2024-10-24 01:52:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:07,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:07,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547631614] [2024-10-24 01:52:07,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547631614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:07,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:07,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:07,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284165728] [2024-10-24 01:52:07,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:07,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:07,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:07,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:07,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:07,611 INFO L87 Difference]: Start difference. First operand 900 states and 1210 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:08,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:08,461 INFO L93 Difference]: Finished difference Result 1475 states and 1994 transitions. [2024-10-24 01:52:08,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:52:08,462 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:08,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:08,464 INFO L225 Difference]: With dead ends: 1475 [2024-10-24 01:52:08,464 INFO L226 Difference]: Without dead ends: 1325 [2024-10-24 01:52:08,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:52:08,465 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 2922 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 1940 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2922 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:08,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2922 Valid, 2327 Invalid, 1943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1940 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:52:08,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-10-24 01:52:08,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 900. [2024-10-24 01:52:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3758542141230068) internal successors, (1208), 899 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1208 transitions. [2024-10-24 01:52:08,472 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1208 transitions. Word has length 96 [2024-10-24 01:52:08,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:08,472 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1208 transitions. [2024-10-24 01:52:08,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:08,473 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1208 transitions. [2024-10-24 01:52:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:08,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:08,474 INFO L215 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] [2024-10-24 01:52:08,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-24 01:52:08,474 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:08,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:08,474 INFO L85 PathProgramCache]: Analyzing trace with hash 500756844, now seen corresponding path program 1 times [2024-10-24 01:52:08,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:08,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114698061] [2024-10-24 01:52:08,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:08,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:08,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:08,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114698061] [2024-10-24 01:52:08,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114698061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:08,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:08,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:08,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931966494] [2024-10-24 01:52:08,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:08,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:08,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:08,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:08,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:08,682 INFO L87 Difference]: Start difference. First operand 900 states and 1208 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:09,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:09,440 INFO L93 Difference]: Finished difference Result 1479 states and 1997 transitions. [2024-10-24 01:52:09,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:52:09,440 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:09,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:09,443 INFO L225 Difference]: With dead ends: 1479 [2024-10-24 01:52:09,443 INFO L226 Difference]: Without dead ends: 1325 [2024-10-24 01:52:09,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:52:09,444 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 2599 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2599 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:09,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2599 Valid, 2169 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:52:09,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-10-24 01:52:09,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 900. [2024-10-24 01:52:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3735763097949887) internal successors, (1206), 899 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1206 transitions. [2024-10-24 01:52:09,456 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1206 transitions. Word has length 96 [2024-10-24 01:52:09,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:09,456 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1206 transitions. [2024-10-24 01:52:09,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1206 transitions. [2024-10-24 01:52:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:09,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:09,458 INFO L215 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] [2024-10-24 01:52:09,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-24 01:52:09,458 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:09,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:09,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1255893419, now seen corresponding path program 1 times [2024-10-24 01:52:09,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:09,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273948094] [2024-10-24 01:52:09,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:09,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:09,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:09,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:09,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273948094] [2024-10-24 01:52:09,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273948094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:09,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:09,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:09,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25647594] [2024-10-24 01:52:09,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:09,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:09,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:09,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:09,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:09,751 INFO L87 Difference]: Start difference. First operand 900 states and 1206 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:10,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:10,653 INFO L93 Difference]: Finished difference Result 1479 states and 1993 transitions. [2024-10-24 01:52:10,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:52:10,653 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:10,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:10,655 INFO L225 Difference]: With dead ends: 1479 [2024-10-24 01:52:10,655 INFO L226 Difference]: Without dead ends: 1325 [2024-10-24 01:52:10,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:52:10,656 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 2634 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2634 SdHoareTripleChecker+Valid, 2625 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:10,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2634 Valid, 2625 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2002 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:52:10,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-10-24 01:52:10,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 900. [2024-10-24 01:52:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3712984054669703) internal successors, (1204), 899 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1204 transitions. [2024-10-24 01:52:10,666 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1204 transitions. Word has length 96 [2024-10-24 01:52:10,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:10,666 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1204 transitions. [2024-10-24 01:52:10,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1204 transitions. [2024-10-24 01:52:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:10,668 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:10,668 INFO L215 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] [2024-10-24 01:52:10,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-24 01:52:10,668 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:10,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1126876775, now seen corresponding path program 1 times [2024-10-24 01:52:10,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:10,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277650470] [2024-10-24 01:52:10,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:10,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:11,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:11,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277650470] [2024-10-24 01:52:11,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277650470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:11,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:11,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:52:11,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719854205] [2024-10-24 01:52:11,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:11,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:52:11,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:11,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:52:11,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:52:11,056 INFO L87 Difference]: Start difference. First operand 900 states and 1204 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:12,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:12,409 INFO L93 Difference]: Finished difference Result 1983 states and 2742 transitions. [2024-10-24 01:52:12,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:52:12,409 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:12,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:12,411 INFO L225 Difference]: With dead ends: 1983 [2024-10-24 01:52:12,411 INFO L226 Difference]: Without dead ends: 1813 [2024-10-24 01:52:12,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:52:12,411 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 5909 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5909 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:12,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5909 Valid, 2937 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 2319 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 01:52:12,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2024-10-24 01:52:12,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 908. [2024-10-24 01:52:12,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3679458239277653) internal successors, (1212), 907 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:12,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1212 transitions. [2024-10-24 01:52:12,420 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1212 transitions. Word has length 96 [2024-10-24 01:52:12,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:12,420 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1212 transitions. [2024-10-24 01:52:12,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:12,420 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1212 transitions. [2024-10-24 01:52:12,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:12,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:12,421 INFO L215 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] [2024-10-24 01:52:12,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-24 01:52:12,421 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:12,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash 443260260, now seen corresponding path program 1 times [2024-10-24 01:52:12,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:12,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210110243] [2024-10-24 01:52:12,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:12,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:12,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:12,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210110243] [2024-10-24 01:52:12,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210110243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:12,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:12,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:12,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469275195] [2024-10-24 01:52:12,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:12,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:12,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:12,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:12,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:12,650 INFO L87 Difference]: Start difference. First operand 908 states and 1212 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:13,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:13,539 INFO L93 Difference]: Finished difference Result 1487 states and 1999 transitions. [2024-10-24 01:52:13,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:52:13,540 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:13,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:13,541 INFO L225 Difference]: With dead ends: 1487 [2024-10-24 01:52:13,541 INFO L226 Difference]: Without dead ends: 1333 [2024-10-24 01:52:13,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:52:13,542 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 2631 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 2625 SdHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:13,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2631 Valid, 2625 Invalid, 2002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:52:13,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-10-24 01:52:13,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 908. [2024-10-24 01:52:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3656884875846502) internal successors, (1210), 907 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1210 transitions. [2024-10-24 01:52:13,554 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1210 transitions. Word has length 96 [2024-10-24 01:52:13,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:13,554 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1210 transitions. [2024-10-24 01:52:13,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1210 transitions. [2024-10-24 01:52:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:13,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:13,556 INFO L215 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] [2024-10-24 01:52:13,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-24 01:52:13,556 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:13,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1939509934, now seen corresponding path program 1 times [2024-10-24 01:52:13,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:13,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961927564] [2024-10-24 01:52:13,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:13,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:13,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:13,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961927564] [2024-10-24 01:52:13,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961927564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:13,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:13,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:13,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266124876] [2024-10-24 01:52:13,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:13,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:13,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:13,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:13,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:13,768 INFO L87 Difference]: Start difference. First operand 908 states and 1210 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:14,624 INFO L93 Difference]: Finished difference Result 1543 states and 2086 transitions. [2024-10-24 01:52:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:52:14,624 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:14,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:14,625 INFO L225 Difference]: With dead ends: 1543 [2024-10-24 01:52:14,625 INFO L226 Difference]: Without dead ends: 1373 [2024-10-24 01:52:14,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:52:14,626 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 1920 mSDsluCounter, 1925 mSDsCounter, 0 mSdLazyCounter, 1900 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1920 SdHoareTripleChecker+Valid, 2516 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:14,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1920 Valid, 2516 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1900 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:52:14,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2024-10-24 01:52:14,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 908. [2024-10-24 01:52:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.363431151241535) internal successors, (1208), 907 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1208 transitions. [2024-10-24 01:52:14,634 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1208 transitions. Word has length 96 [2024-10-24 01:52:14,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:14,634 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1208 transitions. [2024-10-24 01:52:14,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1208 transitions. [2024-10-24 01:52:14,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:14,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:14,635 INFO L215 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] [2024-10-24 01:52:14,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-24 01:52:14,635 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:14,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:14,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1544761606, now seen corresponding path program 1 times [2024-10-24 01:52:14,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:14,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822466302] [2024-10-24 01:52:14,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:14,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:14,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:14,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:14,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822466302] [2024-10-24 01:52:14,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822466302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:14,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:14,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:14,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969824966] [2024-10-24 01:52:14,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:14,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:14,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:14,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:14,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:14,833 INFO L87 Difference]: Start difference. First operand 908 states and 1208 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:15,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:15,698 INFO L93 Difference]: Finished difference Result 1615 states and 2184 transitions. [2024-10-24 01:52:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:52:15,699 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:15,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:15,700 INFO L225 Difference]: With dead ends: 1615 [2024-10-24 01:52:15,700 INFO L226 Difference]: Without dead ends: 1405 [2024-10-24 01:52:15,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:52:15,702 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 1801 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 2060 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 2064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:15,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1801 Valid, 2800 Invalid, 2064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2060 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:52:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2024-10-24 01:52:15,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 908. [2024-10-24 01:52:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3611738148984198) internal successors, (1206), 907 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1206 transitions. [2024-10-24 01:52:15,714 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1206 transitions. Word has length 96 [2024-10-24 01:52:15,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:15,715 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1206 transitions. [2024-10-24 01:52:15,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1206 transitions. [2024-10-24 01:52:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:15,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:15,718 INFO L215 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] [2024-10-24 01:52:15,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-24 01:52:15,718 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:15,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:15,719 INFO L85 PathProgramCache]: Analyzing trace with hash -52113932, now seen corresponding path program 1 times [2024-10-24 01:52:15,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:15,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209370537] [2024-10-24 01:52:15,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:15,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:15,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:15,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209370537] [2024-10-24 01:52:15,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209370537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:15,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:15,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:15,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11106326] [2024-10-24 01:52:15,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:15,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:15,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:15,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:15,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:15,905 INFO L87 Difference]: Start difference. First operand 908 states and 1206 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:16,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:16,728 INFO L93 Difference]: Finished difference Result 1479 states and 1984 transitions. [2024-10-24 01:52:16,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:52:16,728 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:16,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:16,730 INFO L225 Difference]: With dead ends: 1479 [2024-10-24 01:52:16,730 INFO L226 Difference]: Without dead ends: 1333 [2024-10-24 01:52:16,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:52:16,731 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 1959 mSDsluCounter, 1818 mSDsCounter, 0 mSdLazyCounter, 1936 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1959 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:16,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1959 Valid, 2395 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1936 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:52:16,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-10-24 01:52:16,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 908. [2024-10-24 01:52:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3589164785553047) internal successors, (1204), 907 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1204 transitions. [2024-10-24 01:52:16,739 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1204 transitions. Word has length 96 [2024-10-24 01:52:16,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:16,739 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1204 transitions. [2024-10-24 01:52:16,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1204 transitions. [2024-10-24 01:52:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:16,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:16,741 INFO L215 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] [2024-10-24 01:52:16,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-24 01:52:16,741 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:16,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:16,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1952926503, now seen corresponding path program 1 times [2024-10-24 01:52:16,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:16,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347141068] [2024-10-24 01:52:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:17,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:17,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347141068] [2024-10-24 01:52:17,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347141068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:17,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:17,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:52:17,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443680552] [2024-10-24 01:52:17,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:17,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:52:17,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:17,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:52:17,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:52:17,106 INFO L87 Difference]: Start difference. First operand 908 states and 1204 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:18,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:18,429 INFO L93 Difference]: Finished difference Result 1843 states and 2518 transitions. [2024-10-24 01:52:18,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:52:18,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:18,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:18,432 INFO L225 Difference]: With dead ends: 1843 [2024-10-24 01:52:18,432 INFO L226 Difference]: Without dead ends: 1693 [2024-10-24 01:52:18,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:52:18,433 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 6034 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6034 SdHoareTripleChecker+Valid, 2764 SdHoareTripleChecker+Invalid, 2511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:18,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6034 Valid, 2764 Invalid, 2511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 01:52:18,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-10-24 01:52:18,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 916. [2024-10-24 01:52:18,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 894 states have (on average 1.3557046979865772) internal successors, (1212), 915 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1212 transitions. [2024-10-24 01:52:18,444 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1212 transitions. Word has length 96 [2024-10-24 01:52:18,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:18,444 INFO L471 AbstractCegarLoop]: Abstraction has 916 states and 1212 transitions. [2024-10-24 01:52:18,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1212 transitions. [2024-10-24 01:52:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:18,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:18,446 INFO L215 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] [2024-10-24 01:52:18,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-24 01:52:18,446 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:18,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash 427743812, now seen corresponding path program 1 times [2024-10-24 01:52:18,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:18,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854956343] [2024-10-24 01:52:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:18,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:18,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:18,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:18,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854956343] [2024-10-24 01:52:18,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854956343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:18,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:18,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:52:18,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765882615] [2024-10-24 01:52:18,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:18,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:52:18,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:18,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:52:18,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:52:18,795 INFO L87 Difference]: Start difference. First operand 916 states and 1212 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:19,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:19,970 INFO L93 Difference]: Finished difference Result 1698 states and 2296 transitions. [2024-10-24 01:52:19,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:52:19,970 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:19,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:19,972 INFO L225 Difference]: With dead ends: 1698 [2024-10-24 01:52:19,972 INFO L226 Difference]: Without dead ends: 1693 [2024-10-24 01:52:19,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:52:19,973 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 6128 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 1843 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6128 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:19,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6128 Valid, 2268 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1843 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:52:19,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-10-24 01:52:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 924. [2024-10-24 01:52:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 902 states have (on average 1.352549889135255) internal successors, (1220), 923 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1220 transitions. [2024-10-24 01:52:19,982 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1220 transitions. Word has length 96 [2024-10-24 01:52:19,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:19,982 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1220 transitions. [2024-10-24 01:52:19,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1220 transitions. [2024-10-24 01:52:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:19,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:19,983 INFO L215 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] [2024-10-24 01:52:19,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-24 01:52:19,984 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:19,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:19,984 INFO L85 PathProgramCache]: Analyzing trace with hash -375995292, now seen corresponding path program 1 times [2024-10-24 01:52:19,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:19,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67581241] [2024-10-24 01:52:19,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:19,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:20,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:20,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67581241] [2024-10-24 01:52:20,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67581241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:20,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:20,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:20,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286441163] [2024-10-24 01:52:20,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:20,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:20,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:20,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:20,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:20,230 INFO L87 Difference]: Start difference. First operand 924 states and 1220 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:21,095 INFO L93 Difference]: Finished difference Result 1338 states and 1762 transitions. [2024-10-24 01:52:21,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:52:21,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:21,097 INFO L225 Difference]: With dead ends: 1338 [2024-10-24 01:52:21,097 INFO L226 Difference]: Without dead ends: 1333 [2024-10-24 01:52:21,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:52:21,098 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 2616 mSDsluCounter, 2103 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 2661 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:21,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2616 Valid, 2661 Invalid, 1989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:52:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-10-24 01:52:21,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 924. [2024-10-24 01:52:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 902 states have (on average 1.3503325942350333) internal successors, (1218), 923 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1218 transitions. [2024-10-24 01:52:21,118 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1218 transitions. Word has length 96 [2024-10-24 01:52:21,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:21,119 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1218 transitions. [2024-10-24 01:52:21,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1218 transitions. [2024-10-24 01:52:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:21,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:21,120 INFO L215 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] [2024-10-24 01:52:21,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-24 01:52:21,120 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:21,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:21,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1536201810, now seen corresponding path program 1 times [2024-10-24 01:52:21,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:21,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018340298] [2024-10-24 01:52:21,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:21,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:21,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:21,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018340298] [2024-10-24 01:52:21,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018340298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:21,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:21,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:52:21,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330020241] [2024-10-24 01:52:21,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:21,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:52:21,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:21,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:52:21,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:52:21,449 INFO L87 Difference]: Start difference. First operand 924 states and 1218 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:22,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:22,715 INFO L93 Difference]: Finished difference Result 1854 states and 2520 transitions. [2024-10-24 01:52:22,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:52:22,716 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:22,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:22,718 INFO L225 Difference]: With dead ends: 1854 [2024-10-24 01:52:22,718 INFO L226 Difference]: Without dead ends: 1837 [2024-10-24 01:52:22,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:52:22,719 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 5739 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 2102 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5739 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 2304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:22,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5739 Valid, 2769 Invalid, 2304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2102 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:52:22,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2024-10-24 01:52:22,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 932. [2024-10-24 01:52:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 910 states have (on average 1.3472527472527474) internal successors, (1226), 931 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1226 transitions. [2024-10-24 01:52:22,727 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1226 transitions. Word has length 96 [2024-10-24 01:52:22,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:22,727 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1226 transitions. [2024-10-24 01:52:22,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1226 transitions. [2024-10-24 01:52:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:22,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:22,728 INFO L215 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] [2024-10-24 01:52:22,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-10-24 01:52:22,728 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:22,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:22,729 INFO L85 PathProgramCache]: Analyzing trace with hash 134588212, now seen corresponding path program 1 times [2024-10-24 01:52:22,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:22,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892801713] [2024-10-24 01:52:22,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:22,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:22,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:22,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892801713] [2024-10-24 01:52:22,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892801713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:22,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:22,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:52:22,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432883341] [2024-10-24 01:52:22,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:22,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:52:22,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:22,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:52:22,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:52:22,998 INFO L87 Difference]: Start difference. First operand 932 states and 1226 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:23,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:23,868 INFO L93 Difference]: Finished difference Result 1491 states and 1988 transitions. [2024-10-24 01:52:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:52:23,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:23,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:23,869 INFO L225 Difference]: With dead ends: 1491 [2024-10-24 01:52:23,870 INFO L226 Difference]: Without dead ends: 1341 [2024-10-24 01:52:23,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:52:23,870 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 2614 mSDsluCounter, 2103 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2614 SdHoareTripleChecker+Valid, 2661 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:23,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2614 Valid, 2661 Invalid, 1985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:52:23,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2024-10-24 01:52:23,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 932. [2024-10-24 01:52:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 910 states have (on average 1.3450549450549452) internal successors, (1224), 931 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1224 transitions. [2024-10-24 01:52:23,879 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1224 transitions. Word has length 96 [2024-10-24 01:52:23,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:23,879 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1224 transitions. [2024-10-24 01:52:23,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1224 transitions. [2024-10-24 01:52:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:23,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:23,880 INFO L215 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] [2024-10-24 01:52:23,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-10-24 01:52:23,880 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:23,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1131131867, now seen corresponding path program 1 times [2024-10-24 01:52:23,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:23,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62620624] [2024-10-24 01:52:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:23,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:52:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:52:24,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:52:24,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62620624] [2024-10-24 01:52:24,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62620624] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:52:24,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:52:24,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:52:24,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419630358] [2024-10-24 01:52:24,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:52:24,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:52:24,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:52:24,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:52:24,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:52:24,175 INFO L87 Difference]: Start difference. First operand 932 states and 1224 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:25,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:52:25,380 INFO L93 Difference]: Finished difference Result 1706 states and 2298 transitions. [2024-10-24 01:52:25,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:52:25,380 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-24 01:52:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:52:25,382 INFO L225 Difference]: With dead ends: 1706 [2024-10-24 01:52:25,382 INFO L226 Difference]: Without dead ends: 1701 [2024-10-24 01:52:25,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:52:25,383 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 6132 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6132 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:52:25,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6132 Valid, 2259 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 1826 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:52:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2024-10-24 01:52:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 940. [2024-10-24 01:52:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 918 states have (on average 1.3420479302832244) internal successors, (1232), 939 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1232 transitions. [2024-10-24 01:52:25,391 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1232 transitions. Word has length 96 [2024-10-24 01:52:25,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:52:25,391 INFO L471 AbstractCegarLoop]: Abstraction has 940 states and 1232 transitions. [2024-10-24 01:52:25,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:52:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1232 transitions. [2024-10-24 01:52:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:52:25,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:52:25,392 INFO L215 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] [2024-10-24 01:52:25,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-10-24 01:52:25,392 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-24 01:52:25,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:52:25,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1928248723, now seen corresponding path program 1 times [2024-10-24 01:52:25,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:52:25,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683681290] [2024-10-24 01:52:25,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:52:25,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:52:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat