./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 15:11:56,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 15:11:56,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 15:11:56,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 15:11:56,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 15:11:56,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 15:11:56,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 15:11:56,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 15:11:56,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 15:11:56,870 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 15:11:56,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 15:11:56,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 15:11:56,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 15:11:56,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 15:11:56,873 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 15:11:56,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 15:11:56,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 15:11:56,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 15:11:56,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 15:11:56,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 15:11:56,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 15:11:56,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 15:11:56,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 15:11:56,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 15:11:56,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 15:11:56,879 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 15:11:56,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 15:11:56,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 15:11:56,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 15:11:56,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 15:11:56,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 15:11:56,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 15:11:56,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 15:11:56,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 15:11:56,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 15:11:56,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 15:11:56,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 15:11:56,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 15:11:56,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 15:11:56,883 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 15:11:56,883 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 15:11:56,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 15:11:56,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 [2024-11-18 15:11:57,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 15:11:57,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 15:11:57,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 15:11:57,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 15:11:57,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 15:11:57,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-18 15:11:58,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 15:11:59,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 15:11:59,237 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-18 15:11:59,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6690d4b2/697a9b552c9e4c56a75f36cfe270a2b9/FLAG81f9fb40e [2024-11-18 15:11:59,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6690d4b2/697a9b552c9e4c56a75f36cfe270a2b9 [2024-11-18 15:11:59,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 15:11:59,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 15:11:59,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 15:11:59,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 15:11:59,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 15:11:59,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:59" (1/1) ... [2024-11-18 15:11:59,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ae98da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:59, skipping insertion in model container [2024-11-18 15:11:59,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:59" (1/1) ... [2024-11-18 15:11:59,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 15:12:00,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2024-11-18 15:12:00,336 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2024-11-18 15:12:00,347 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2024-11-18 15:12:00,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2024-11-18 15:12:00,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2024-11-18 15:12:00,383 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2024-11-18 15:12:00,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2024-11-18 15:12:00,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2024-11-18 15:12:00,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2024-11-18 15:12:00,435 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2024-11-18 15:12:00,448 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2024-11-18 15:12:00,469 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2024-11-18 15:12:00,475 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2024-11-18 15:12:00,482 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2024-11-18 15:12:00,493 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2024-11-18 15:12:00,510 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2024-11-18 15:12:00,546 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2024-11-18 15:12:00,553 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2024-11-18 15:12:00,564 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2024-11-18 15:12:00,582 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2024-11-18 15:12:00,605 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2024-11-18 15:12:00,633 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2024-11-18 15:12:00,679 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2024-11-18 15:12:00,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2024-11-18 15:12:00,690 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2024-11-18 15:12:00,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2024-11-18 15:12:00,721 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2024-11-18 15:12:00,751 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2024-11-18 15:12:00,862 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2024-11-18 15:12:00,971 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2024-11-18 15:12:00,977 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2024-11-18 15:12:00,982 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2024-11-18 15:12:00,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2024-11-18 15:12:01,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2024-11-18 15:12:01,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2024-11-18 15:12:01,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2024-11-18 15:12:01,122 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2024-11-18 15:12:02,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 15:12:02,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 15:12:02,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2024-11-18 15:12:02,348 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2024-11-18 15:12:02,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2024-11-18 15:12:02,359 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2024-11-18 15:12:02,366 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2024-11-18 15:12:02,370 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2024-11-18 15:12:02,375 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2024-11-18 15:12:02,385 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2024-11-18 15:12:02,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2024-11-18 15:12:02,395 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2024-11-18 15:12:02,403 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2024-11-18 15:12:02,417 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2024-11-18 15:12:02,422 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2024-11-18 15:12:02,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2024-11-18 15:12:02,435 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2024-11-18 15:12:02,447 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2024-11-18 15:12:02,468 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2024-11-18 15:12:02,472 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2024-11-18 15:12:02,477 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2024-11-18 15:12:02,486 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2024-11-18 15:12:02,498 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2024-11-18 15:12:02,516 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2024-11-18 15:12:02,547 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2024-11-18 15:12:02,551 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2024-11-18 15:12:02,557 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2024-11-18 15:12:02,565 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2024-11-18 15:12:02,579 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2024-11-18 15:12:02,601 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2024-11-18 15:12:02,636 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2024-11-18 15:12:02,694 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2024-11-18 15:12:02,698 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2024-11-18 15:12:02,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2024-11-18 15:12:02,759 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2024-11-18 15:12:02,771 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2024-11-18 15:12:02,789 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2024-11-18 15:12:02,816 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2024-11-18 15:12:02,859 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2024-11-18 15:12:03,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 15:12:03,868 INFO L204 MainTranslator]: Completed translation [2024-11-18 15:12:03,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03 WrapperNode [2024-11-18 15:12:03,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 15:12:03,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 15:12:03,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 15:12:03,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 15:12:03,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:03,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:04,326 INFO L138 Inliner]: procedures = 28, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24721 [2024-11-18 15:12:04,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 15:12:04,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 15:12:04,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 15:12:04,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 15:12:04,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:04,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:04,533 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:04,666 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]. [2024-11-18 15:12:04,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:04,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:04,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:05,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:05,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:05,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:05,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 15:12:05,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 15:12:05,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 15:12:05,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 15:12:05,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (1/1) ... [2024-11-18 15:12:05,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 15:12:05,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 15:12:05,205 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) [2024-11-18 15:12:05,207 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 [2024-11-18 15:12:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 15:12:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 15:12:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 15:12:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 15:12:05,754 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 15:12:05,757 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 15:12:15,994 INFO L? ?]: Removed 3580 outVars from TransFormulas that were not future-live. [2024-11-18 15:12:15,994 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 15:12:16,070 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 15:12:16,071 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 15:12:16,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:12:16 BoogieIcfgContainer [2024-11-18 15:12:16,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 15:12:16,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 15:12:16,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 15:12:16,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 15:12:16,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:11:59" (1/3) ... [2024-11-18 15:12:16,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e27287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:12:16, skipping insertion in model container [2024-11-18 15:12:16,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:12:03" (2/3) ... [2024-11-18 15:12:16,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e27287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:12:16, skipping insertion in model container [2024-11-18 15:12:16,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:12:16" (3/3) ... [2024-11-18 15:12:16,083 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-18 15:12:16,101 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 15:12:16,101 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2024-11-18 15:12:16,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 15:12:16,260 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;@3e5d0bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 15:12:16,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-18 15:12:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-18 15:12:16,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:16,324 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:16,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:16,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:16,332 INFO L85 PathProgramCache]: Analyzing trace with hash -150150757, now seen corresponding path program 1 times [2024-11-18 15:12:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:16,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165696583] [2024-11-18 15:12:16,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:16,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:17,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:17,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165696583] [2024-11-18 15:12:17,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165696583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:17,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:17,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:12:17,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073425061] [2024-11-18 15:12:17,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:17,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:12:17,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:17,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:12:17,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:12:17,304 INFO L87 Difference]: Start difference. First operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:20,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:20,325 INFO L93 Difference]: Finished difference Result 6602 states and 11760 transitions. [2024-11-18 15:12:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:12:20,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-18 15:12:20,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:20,362 INFO L225 Difference]: With dead ends: 6602 [2024-11-18 15:12:20,363 INFO L226 Difference]: Without dead ends: 3827 [2024-11-18 15:12:20,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:12:20,380 INFO L432 NwaCegarLoop]: 3381 mSDtfsCounter, 18407 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18407 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:20,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18407 Valid, 4385 Invalid, 2353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-18 15:12:20,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2024-11-18 15:12:20,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3701. [2024-11-18 15:12:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3701 states, 3664 states have (on average 1.3788209606986899) internal successors, (5052), 3700 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:20,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 3701 states and 5052 transitions. [2024-11-18 15:12:20,573 INFO L78 Accepts]: Start accepts. Automaton has 3701 states and 5052 transitions. Word has length 116 [2024-11-18 15:12:20,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:20,575 INFO L471 AbstractCegarLoop]: Abstraction has 3701 states and 5052 transitions. [2024-11-18 15:12:20,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:20,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 5052 transitions. [2024-11-18 15:12:20,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-18 15:12:20,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:20,585 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:20,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 15:12:20,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:20,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:20,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1021046553, now seen corresponding path program 1 times [2024-11-18 15:12:20,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:20,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881620626] [2024-11-18 15:12:20,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:20,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:20,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:20,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881620626] [2024-11-18 15:12:20,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881620626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:20,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:21,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:12:21,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361269815] [2024-11-18 15:12:21,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:21,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:12:21,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:21,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:12:21,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:12:21,002 INFO L87 Difference]: Start difference. First operand 3701 states and 5052 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:22,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:22,614 INFO L93 Difference]: Finished difference Result 6314 states and 8889 transitions. [2024-11-18 15:12:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:12:22,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-11-18 15:12:22,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:22,626 INFO L225 Difference]: With dead ends: 6314 [2024-11-18 15:12:22,627 INFO L226 Difference]: Without dead ends: 3213 [2024-11-18 15:12:22,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:12:22,633 INFO L432 NwaCegarLoop]: 1756 mSDtfsCounter, 9421 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9421 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:22,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9421 Valid, 1792 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-18 15:12:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3213 states. [2024-11-18 15:12:22,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3213 to 3213. [2024-11-18 15:12:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3213 states, 3176 states have (on average 1.4162468513853905) internal successors, (4498), 3212 states have internal predecessors, (4498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 4498 transitions. [2024-11-18 15:12:22,703 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 4498 transitions. Word has length 117 [2024-11-18 15:12:22,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:22,706 INFO L471 AbstractCegarLoop]: Abstraction has 3213 states and 4498 transitions. [2024-11-18 15:12:22,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:22,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 4498 transitions. [2024-11-18 15:12:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-18 15:12:22,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:22,715 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:22,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 15:12:22,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:22,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:22,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1704632037, now seen corresponding path program 1 times [2024-11-18 15:12:22,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:22,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792038235] [2024-11-18 15:12:22,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:22,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:22,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:22,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792038235] [2024-11-18 15:12:22,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792038235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:22,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:22,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:12:22,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073128445] [2024-11-18 15:12:22,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:22,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:12:22,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:22,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:12:22,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:12:22,992 INFO L87 Difference]: Start difference. First operand 3213 states and 4498 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:24,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:24,686 INFO L93 Difference]: Finished difference Result 5826 states and 8333 transitions. [2024-11-18 15:12:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:12:24,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-11-18 15:12:24,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:24,700 INFO L225 Difference]: With dead ends: 5826 [2024-11-18 15:12:24,701 INFO L226 Difference]: Without dead ends: 3053 [2024-11-18 15:12:24,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:12:24,709 INFO L432 NwaCegarLoop]: 1208 mSDtfsCounter, 8707 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8707 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:24,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8707 Valid, 1268 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-18 15:12:24,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2024-11-18 15:12:24,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3053. [2024-11-18 15:12:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 3016 states have (on average 1.427055702917772) internal successors, (4304), 3052 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 4304 transitions. [2024-11-18 15:12:24,776 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 4304 transitions. Word has length 118 [2024-11-18 15:12:24,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:24,777 INFO L471 AbstractCegarLoop]: Abstraction has 3053 states and 4304 transitions. [2024-11-18 15:12:24,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 4304 transitions. [2024-11-18 15:12:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-18 15:12:24,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:24,785 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:24,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 15:12:24,785 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:24,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:24,786 INFO L85 PathProgramCache]: Analyzing trace with hash 46418268, now seen corresponding path program 1 times [2024-11-18 15:12:24,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:24,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434389522] [2024-11-18 15:12:24,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:24,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:25,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:25,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434389522] [2024-11-18 15:12:25,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434389522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:25,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:25,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:12:25,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839100310] [2024-11-18 15:12:25,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:25,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:12:25,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:25,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:12:25,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:12:25,217 INFO L87 Difference]: Start difference. First operand 3053 states and 4304 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:26,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:26,529 INFO L93 Difference]: Finished difference Result 5666 states and 8137 transitions. [2024-11-18 15:12:26,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:12:26,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2024-11-18 15:12:26,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:26,540 INFO L225 Difference]: With dead ends: 5666 [2024-11-18 15:12:26,541 INFO L226 Difference]: Without dead ends: 2925 [2024-11-18 15:12:26,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:12:26,547 INFO L432 NwaCegarLoop]: 1349 mSDtfsCounter, 8338 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8338 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:26,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8338 Valid, 1401 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-18 15:12:26,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2024-11-18 15:12:26,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2925. [2024-11-18 15:12:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2888 states have (on average 1.4397506925207757) internal successors, (4158), 2924 states have internal predecessors, (4158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 4158 transitions. [2024-11-18 15:12:26,615 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 4158 transitions. Word has length 119 [2024-11-18 15:12:26,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:26,616 INFO L471 AbstractCegarLoop]: Abstraction has 2925 states and 4158 transitions. [2024-11-18 15:12:26,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 4158 transitions. [2024-11-18 15:12:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-18 15:12:26,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:26,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:26,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 15:12:26,627 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:26,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:26,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1481188516, now seen corresponding path program 1 times [2024-11-18 15:12:26,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:26,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836155564] [2024-11-18 15:12:26,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:26,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:26,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:26,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836155564] [2024-11-18 15:12:26,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836155564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:26,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:26,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:12:26,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476394659] [2024-11-18 15:12:26,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:26,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:12:26,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:26,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:12:26,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:12:26,969 INFO L87 Difference]: Start difference. First operand 2925 states and 4158 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:28,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:28,204 INFO L93 Difference]: Finished difference Result 5538 states and 7989 transitions. [2024-11-18 15:12:28,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:12:28,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2024-11-18 15:12:28,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:28,214 INFO L225 Difference]: With dead ends: 5538 [2024-11-18 15:12:28,215 INFO L226 Difference]: Without dead ends: 2813 [2024-11-18 15:12:28,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:12:28,220 INFO L432 NwaCegarLoop]: 1460 mSDtfsCounter, 8062 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8062 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:28,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8062 Valid, 1488 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-18 15:12:28,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2024-11-18 15:12:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2813. [2024-11-18 15:12:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2776 states have (on average 1.4538904899135447) internal successors, (4036), 2812 states have internal predecessors, (4036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4036 transitions. [2024-11-18 15:12:28,296 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4036 transitions. Word has length 120 [2024-11-18 15:12:28,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:28,297 INFO L471 AbstractCegarLoop]: Abstraction has 2813 states and 4036 transitions. [2024-11-18 15:12:28,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:28,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4036 transitions. [2024-11-18 15:12:28,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-18 15:12:28,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:28,304 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:28,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 15:12:28,305 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:28,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:28,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1088659095, now seen corresponding path program 1 times [2024-11-18 15:12:28,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:28,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100159646] [2024-11-18 15:12:28,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:28,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:28,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:28,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100159646] [2024-11-18 15:12:28,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100159646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:28,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:28,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:12:28,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538213008] [2024-11-18 15:12:28,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:28,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:12:28,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:28,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:12:28,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:12:28,598 INFO L87 Difference]: Start difference. First operand 2813 states and 4036 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:29,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:29,845 INFO L93 Difference]: Finished difference Result 5426 states and 7865 transitions. [2024-11-18 15:12:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:12:29,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-18 15:12:29,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:29,855 INFO L225 Difference]: With dead ends: 5426 [2024-11-18 15:12:29,856 INFO L226 Difference]: Without dead ends: 2748 [2024-11-18 15:12:29,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:12:29,861 INFO L432 NwaCegarLoop]: 1443 mSDtfsCounter, 7878 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7878 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:29,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7878 Valid, 1455 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-18 15:12:29,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2024-11-18 15:12:29,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2748. [2024-11-18 15:12:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 2711 states have (on average 1.4625599409811878) internal successors, (3965), 2747 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3965 transitions. [2024-11-18 15:12:29,917 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3965 transitions. Word has length 121 [2024-11-18 15:12:29,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:29,917 INFO L471 AbstractCegarLoop]: Abstraction has 2748 states and 3965 transitions. [2024-11-18 15:12:29,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3965 transitions. [2024-11-18 15:12:29,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-18 15:12:29,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:29,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:29,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 15:12:29,925 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:29,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:29,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1122787720, now seen corresponding path program 1 times [2024-11-18 15:12:29,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:29,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266761091] [2024-11-18 15:12:29,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:29,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:30,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:30,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266761091] [2024-11-18 15:12:30,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266761091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:30,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:30,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:12:30,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566510560] [2024-11-18 15:12:30,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:30,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:12:30,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:30,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:12:30,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:12:30,209 INFO L87 Difference]: Start difference. First operand 2748 states and 3965 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:31,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:31,486 INFO L93 Difference]: Finished difference Result 5361 states and 7792 transitions. [2024-11-18 15:12:31,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:12:31,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2024-11-18 15:12:31,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:31,494 INFO L225 Difference]: With dead ends: 5361 [2024-11-18 15:12:31,494 INFO L226 Difference]: Without dead ends: 2717 [2024-11-18 15:12:31,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:12:31,499 INFO L432 NwaCegarLoop]: 1420 mSDtfsCounter, 7763 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7763 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:31,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7763 Valid, 1440 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-18 15:12:31,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2024-11-18 15:12:31,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2717. [2024-11-18 15:12:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2680 states have (on average 1.4664179104477613) internal successors, (3930), 2716 states have internal predecessors, (3930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3930 transitions. [2024-11-18 15:12:31,550 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3930 transitions. Word has length 122 [2024-11-18 15:12:31,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:31,550 INFO L471 AbstractCegarLoop]: Abstraction has 2717 states and 3930 transitions. [2024-11-18 15:12:31,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3930 transitions. [2024-11-18 15:12:31,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-18 15:12:31,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:31,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:31,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 15:12:31,560 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:31,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:31,561 INFO L85 PathProgramCache]: Analyzing trace with hash -204963786, now seen corresponding path program 1 times [2024-11-18 15:12:31,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:31,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710217188] [2024-11-18 15:12:31,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:31,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:31,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:31,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710217188] [2024-11-18 15:12:31,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710217188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:31,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:31,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:12:31,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498101764] [2024-11-18 15:12:31,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:31,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:12:31,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:31,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:12:31,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:12:31,803 INFO L87 Difference]: Start difference. First operand 2717 states and 3930 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:32,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:32,890 INFO L93 Difference]: Finished difference Result 5330 states and 7755 transitions. [2024-11-18 15:12:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:12:32,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-18 15:12:32,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:32,900 INFO L225 Difference]: With dead ends: 5330 [2024-11-18 15:12:32,901 INFO L226 Difference]: Without dead ends: 2706 [2024-11-18 15:12:32,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:12:32,906 INFO L432 NwaCegarLoop]: 1329 mSDtfsCounter, 7663 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7663 SdHoareTripleChecker+Valid, 1373 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:32,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7663 Valid, 1373 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-18 15:12:32,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2024-11-18 15:12:32,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2706. [2024-11-18 15:12:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4672161858373922) internal successors, (3916), 2705 states have internal predecessors, (3916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:32,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3916 transitions. [2024-11-18 15:12:32,960 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3916 transitions. Word has length 123 [2024-11-18 15:12:32,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:32,961 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 3916 transitions. [2024-11-18 15:12:32,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3916 transitions. [2024-11-18 15:12:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 15:12:32,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:32,967 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:32,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 15:12:32,968 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:32,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:32,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1522376233, now seen corresponding path program 1 times [2024-11-18 15:12:32,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:32,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805891790] [2024-11-18 15:12:32,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:32,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:33,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:33,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805891790] [2024-11-18 15:12:33,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805891790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:33,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:33,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-18 15:12:33,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595977927] [2024-11-18 15:12:33,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:33,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:12:33,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:33,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:12:33,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:12:33,820 INFO L87 Difference]: Start difference. First operand 2706 states and 3916 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:37,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:37,490 INFO L93 Difference]: Finished difference Result 4502 states and 6498 transitions. [2024-11-18 15:12:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-18 15:12:37,490 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2024-11-18 15:12:37,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:37,504 INFO L225 Difference]: With dead ends: 4502 [2024-11-18 15:12:37,505 INFO L226 Difference]: Without dead ends: 4198 [2024-11-18 15:12:37,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-11-18 15:12:37,508 INFO L432 NwaCegarLoop]: 1410 mSDtfsCounter, 6827 mSDsluCounter, 6998 mSDsCounter, 0 mSdLazyCounter, 7253 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6827 SdHoareTripleChecker+Valid, 8408 SdHoareTripleChecker+Invalid, 7266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 7253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:37,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6827 Valid, 8408 Invalid, 7266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 7253 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-18 15:12:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2024-11-18 15:12:37,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 2715. [2024-11-18 15:12:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2678 states have (on average 1.4667662434652726) internal successors, (3928), 2714 states have internal predecessors, (3928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3928 transitions. [2024-11-18 15:12:37,574 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3928 transitions. Word has length 124 [2024-11-18 15:12:37,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:37,574 INFO L471 AbstractCegarLoop]: Abstraction has 2715 states and 3928 transitions. [2024-11-18 15:12:37,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:37,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3928 transitions. [2024-11-18 15:12:37,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 15:12:37,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:37,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:37,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 15:12:37,580 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:37,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:37,581 INFO L85 PathProgramCache]: Analyzing trace with hash -115626613, now seen corresponding path program 1 times [2024-11-18 15:12:37,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:37,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027487368] [2024-11-18 15:12:37,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:37,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:38,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:38,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027487368] [2024-11-18 15:12:38,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027487368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:38,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:38,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:12:38,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923017490] [2024-11-18 15:12:38,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:38,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:12:38,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:38,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:12:38,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:12:38,262 INFO L87 Difference]: Start difference. First operand 2715 states and 3928 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:41,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:41,336 INFO L93 Difference]: Finished difference Result 4295 states and 6194 transitions. [2024-11-18 15:12:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:12:41,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2024-11-18 15:12:41,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:41,345 INFO L225 Difference]: With dead ends: 4295 [2024-11-18 15:12:41,345 INFO L226 Difference]: Without dead ends: 3706 [2024-11-18 15:12:41,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:12:41,347 INFO L432 NwaCegarLoop]: 1418 mSDtfsCounter, 11876 mSDsluCounter, 6443 mSDsCounter, 0 mSdLazyCounter, 6648 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11876 SdHoareTripleChecker+Valid, 7861 SdHoareTripleChecker+Invalid, 6655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:41,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11876 Valid, 7861 Invalid, 6655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6648 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-18 15:12:41,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2024-11-18 15:12:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 2706. [2024-11-18 15:12:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.466841513675534) internal successors, (3915), 2705 states have internal predecessors, (3915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3915 transitions. [2024-11-18 15:12:41,397 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3915 transitions. Word has length 124 [2024-11-18 15:12:41,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:41,397 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 3915 transitions. [2024-11-18 15:12:41,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:41,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3915 transitions. [2024-11-18 15:12:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 15:12:41,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:41,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:41,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 15:12:41,403 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:41,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1896036516, now seen corresponding path program 1 times [2024-11-18 15:12:41,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:41,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695221710] [2024-11-18 15:12:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:41,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:41,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695221710] [2024-11-18 15:12:41,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695221710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:41,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:41,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:12:41,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311819110] [2024-11-18 15:12:41,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:41,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:12:41,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:41,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:12:41,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:12:41,918 INFO L87 Difference]: Start difference. First operand 2706 states and 3915 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:44,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:44,603 INFO L93 Difference]: Finished difference Result 4208 states and 6030 transitions. [2024-11-18 15:12:44,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:12:44,604 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2024-11-18 15:12:44,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:44,615 INFO L225 Difference]: With dead ends: 4208 [2024-11-18 15:12:44,615 INFO L226 Difference]: Without dead ends: 4010 [2024-11-18 15:12:44,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:12:44,622 INFO L432 NwaCegarLoop]: 1357 mSDtfsCounter, 6939 mSDsluCounter, 4479 mSDsCounter, 0 mSdLazyCounter, 5247 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6939 SdHoareTripleChecker+Valid, 5836 SdHoareTripleChecker+Invalid, 5253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:44,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6939 Valid, 5836 Invalid, 5253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5247 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-18 15:12:44,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4010 states. [2024-11-18 15:12:44,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4010 to 2706. [2024-11-18 15:12:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4664668415136755) internal successors, (3914), 2705 states have internal predecessors, (3914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3914 transitions. [2024-11-18 15:12:44,672 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3914 transitions. Word has length 124 [2024-11-18 15:12:44,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:44,673 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 3914 transitions. [2024-11-18 15:12:44,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3914 transitions. [2024-11-18 15:12:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 15:12:44,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:44,679 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:44,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 15:12:44,680 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:44,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:44,681 INFO L85 PathProgramCache]: Analyzing trace with hash 553304081, now seen corresponding path program 1 times [2024-11-18 15:12:44,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:44,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696785567] [2024-11-18 15:12:44,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:44,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:45,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:45,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696785567] [2024-11-18 15:12:45,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696785567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:45,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:45,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-18 15:12:45,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802392801] [2024-11-18 15:12:45,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:45,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-18 15:12:45,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:45,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-18 15:12:45,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:12:45,235 INFO L87 Difference]: Start difference. First operand 2706 states and 3914 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:47,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:47,967 INFO L93 Difference]: Finished difference Result 4210 states and 6033 transitions. [2024-11-18 15:12:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:12:47,967 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2024-11-18 15:12:47,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:47,975 INFO L225 Difference]: With dead ends: 4210 [2024-11-18 15:12:47,975 INFO L226 Difference]: Without dead ends: 4006 [2024-11-18 15:12:47,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-11-18 15:12:47,978 INFO L432 NwaCegarLoop]: 1357 mSDtfsCounter, 12548 mSDsluCounter, 5588 mSDsCounter, 0 mSdLazyCounter, 6098 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12548 SdHoareTripleChecker+Valid, 6945 SdHoareTripleChecker+Invalid, 6107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 6098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:47,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12548 Valid, 6945 Invalid, 6107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 6098 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-18 15:12:47,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4006 states. [2024-11-18 15:12:48,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4006 to 2706. [2024-11-18 15:12:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4657174971899587) internal successors, (3912), 2705 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3912 transitions. [2024-11-18 15:12:48,028 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3912 transitions. Word has length 124 [2024-11-18 15:12:48,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:48,028 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 3912 transitions. [2024-11-18 15:12:48,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 10 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3912 transitions. [2024-11-18 15:12:48,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-18 15:12:48,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:48,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:48,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 15:12:48,035 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:48,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:48,036 INFO L85 PathProgramCache]: Analyzing trace with hash -744585957, now seen corresponding path program 1 times [2024-11-18 15:12:48,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:48,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018187169] [2024-11-18 15:12:48,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:48,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:48,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:48,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018187169] [2024-11-18 15:12:48,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018187169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:48,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:48,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:12:48,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579011070] [2024-11-18 15:12:48,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:48,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 15:12:48,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:48,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 15:12:48,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-18 15:12:48,659 INFO L87 Difference]: Start difference. First operand 2706 states and 3912 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:51,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:51,367 INFO L93 Difference]: Finished difference Result 4458 states and 6213 transitions. [2024-11-18 15:12:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 15:12:51,368 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2024-11-18 15:12:51,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:51,374 INFO L225 Difference]: With dead ends: 4458 [2024-11-18 15:12:51,375 INFO L226 Difference]: Without dead ends: 3370 [2024-11-18 15:12:51,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-18 15:12:51,378 INFO L432 NwaCegarLoop]: 1085 mSDtfsCounter, 7892 mSDsluCounter, 3229 mSDsCounter, 0 mSdLazyCounter, 5577 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7892 SdHoareTripleChecker+Valid, 4314 SdHoareTripleChecker+Invalid, 5580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:51,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7892 Valid, 4314 Invalid, 5580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5577 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-18 15:12:51,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2024-11-18 15:12:51,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 2706. [2024-11-18 15:12:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4653428250281004) internal successors, (3911), 2705 states have internal predecessors, (3911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3911 transitions. [2024-11-18 15:12:51,439 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3911 transitions. Word has length 124 [2024-11-18 15:12:51,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:51,439 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 3911 transitions. [2024-11-18 15:12:51,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:51,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3911 transitions. [2024-11-18 15:12:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-18 15:12:51,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:51,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:51,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 15:12:51,446 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:51,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:51,447 INFO L85 PathProgramCache]: Analyzing trace with hash 33266613, now seen corresponding path program 1 times [2024-11-18 15:12:51,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:51,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166564563] [2024-11-18 15:12:51,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:51,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:51,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:51,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166564563] [2024-11-18 15:12:51,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166564563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:51,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:51,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:12:51,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559243555] [2024-11-18 15:12:51,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:51,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:12:51,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:51,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:12:51,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:12:51,917 INFO L87 Difference]: Start difference. First operand 2706 states and 3911 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:54,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:54,585 INFO L93 Difference]: Finished difference Result 4381 states and 6323 transitions. [2024-11-18 15:12:54,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:12:54,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2024-11-18 15:12:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:54,593 INFO L225 Difference]: With dead ends: 4381 [2024-11-18 15:12:54,594 INFO L226 Difference]: Without dead ends: 4154 [2024-11-18 15:12:54,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:12:54,597 INFO L432 NwaCegarLoop]: 1405 mSDtfsCounter, 10644 mSDsluCounter, 4821 mSDsCounter, 0 mSdLazyCounter, 5326 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10644 SdHoareTripleChecker+Valid, 6226 SdHoareTripleChecker+Invalid, 5333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:54,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10644 Valid, 6226 Invalid, 5333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5326 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-18 15:12:54,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4154 states. [2024-11-18 15:12:54,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4154 to 2706. [2024-11-18 15:12:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.464968152866242) internal successors, (3910), 2705 states have internal predecessors, (3910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3910 transitions. [2024-11-18 15:12:54,642 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3910 transitions. Word has length 126 [2024-11-18 15:12:54,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:54,642 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 3910 transitions. [2024-11-18 15:12:54,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3910 transitions. [2024-11-18 15:12:54,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-18 15:12:54,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:54,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:54,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 15:12:54,649 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:54,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:54,650 INFO L85 PathProgramCache]: Analyzing trace with hash 2314701, now seen corresponding path program 1 times [2024-11-18 15:12:54,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:54,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11951555] [2024-11-18 15:12:54,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:54,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:55,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:55,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11951555] [2024-11-18 15:12:55,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11951555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:55,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:55,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:12:55,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069083582] [2024-11-18 15:12:55,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:55,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:12:55,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:55,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:12:55,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:12:55,136 INFO L87 Difference]: Start difference. First operand 2706 states and 3910 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:58,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:12:58,138 INFO L93 Difference]: Finished difference Result 4580 states and 6632 transitions. [2024-11-18 15:12:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:12:58,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2024-11-18 15:12:58,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:12:58,146 INFO L225 Difference]: With dead ends: 4580 [2024-11-18 15:12:58,147 INFO L226 Difference]: Without dead ends: 4214 [2024-11-18 15:12:58,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:12:58,149 INFO L432 NwaCegarLoop]: 1790 mSDtfsCounter, 12594 mSDsluCounter, 6029 mSDsCounter, 0 mSdLazyCounter, 6628 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12594 SdHoareTripleChecker+Valid, 7819 SdHoareTripleChecker+Invalid, 6634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-18 15:12:58,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12594 Valid, 7819 Invalid, 6634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 6628 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-18 15:12:58,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2024-11-18 15:12:58,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2024-11-18 15:12:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4645934807043837) internal successors, (3909), 2705 states have internal predecessors, (3909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3909 transitions. [2024-11-18 15:12:58,202 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3909 transitions. Word has length 126 [2024-11-18 15:12:58,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:12:58,202 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 3909 transitions. [2024-11-18 15:12:58,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:12:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3909 transitions. [2024-11-18 15:12:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-18 15:12:58,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:12:58,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:12:58,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 15:12:58,208 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:12:58,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:12:58,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1033236109, now seen corresponding path program 1 times [2024-11-18 15:12:58,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:12:58,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27182594] [2024-11-18 15:12:58,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:12:58,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:12:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:12:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:12:58,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:12:58,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27182594] [2024-11-18 15:12:58,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27182594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:12:58,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:12:58,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:12:58,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451468741] [2024-11-18 15:12:58,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:12:58,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:12:58,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:12:58,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:12:58,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:12:58,678 INFO L87 Difference]: Start difference. First operand 2706 states and 3909 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:13:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:13:01,269 INFO L93 Difference]: Finished difference Result 4482 states and 6463 transitions. [2024-11-18 15:13:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:13:01,270 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2024-11-18 15:13:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:13:01,274 INFO L225 Difference]: With dead ends: 4482 [2024-11-18 15:13:01,274 INFO L226 Difference]: Without dead ends: 4178 [2024-11-18 15:13:01,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:13:01,276 INFO L432 NwaCegarLoop]: 1552 mSDtfsCounter, 6405 mSDsluCounter, 5289 mSDsCounter, 0 mSdLazyCounter, 5848 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6405 SdHoareTripleChecker+Valid, 6841 SdHoareTripleChecker+Invalid, 5854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:13:01,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6405 Valid, 6841 Invalid, 5854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5848 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-18 15:13:01,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4178 states. [2024-11-18 15:13:01,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4178 to 2706. [2024-11-18 15:13:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4642188085425254) internal successors, (3908), 2705 states have internal predecessors, (3908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:13:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3908 transitions. [2024-11-18 15:13:01,320 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3908 transitions. Word has length 126 [2024-11-18 15:13:01,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:13:01,320 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 3908 transitions. [2024-11-18 15:13:01,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:13:01,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3908 transitions. [2024-11-18 15:13:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-18 15:13:01,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:13:01,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:13:01,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 15:13:01,326 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:13:01,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:13:01,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1854981567, now seen corresponding path program 1 times [2024-11-18 15:13:01,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:13:01,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775308021] [2024-11-18 15:13:01,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:13:01,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:13:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:13:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:13:01,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:13:01,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775308021] [2024-11-18 15:13:01,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775308021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:13:01,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:13:01,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:13:01,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452084347] [2024-11-18 15:13:01,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:13:01,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:13:01,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:13:01,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:13:01,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:13:01,710 INFO L87 Difference]: Start difference. First operand 2706 states and 3908 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:13:04,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:13:04,717 INFO L93 Difference]: Finished difference Result 4618 states and 6670 transitions. [2024-11-18 15:13:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:13:04,717 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2024-11-18 15:13:04,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:13:04,723 INFO L225 Difference]: With dead ends: 4618 [2024-11-18 15:13:04,723 INFO L226 Difference]: Without dead ends: 4214 [2024-11-18 15:13:04,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:13:04,725 INFO L432 NwaCegarLoop]: 1787 mSDtfsCounter, 9214 mSDsluCounter, 6017 mSDsCounter, 0 mSdLazyCounter, 6622 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9214 SdHoareTripleChecker+Valid, 7804 SdHoareTripleChecker+Invalid, 6627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-18 15:13:04,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9214 Valid, 7804 Invalid, 6627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6622 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-18 15:13:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2024-11-18 15:13:04,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2024-11-18 15:13:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.463844136380667) internal successors, (3907), 2705 states have internal predecessors, (3907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:13:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3907 transitions. [2024-11-18 15:13:04,770 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3907 transitions. Word has length 126 [2024-11-18 15:13:04,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:13:04,770 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 3907 transitions. [2024-11-18 15:13:04,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:13:04,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3907 transitions. [2024-11-18 15:13:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-18 15:13:04,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:13:04,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:13:04,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 15:13:04,776 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2024-11-18 15:13:04,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:13:04,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2018426482, now seen corresponding path program 1 times [2024-11-18 15:13:04,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:13:04,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604277843] [2024-11-18 15:13:04,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:13:04,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:13:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:13:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:13:05,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:13:05,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604277843] [2024-11-18 15:13:05,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604277843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:13:05,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:13:05,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:13:05,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127345014] [2024-11-18 15:13:05,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:13:05,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:13:05,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:13:05,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:13:05,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:13:05,349 INFO L87 Difference]: Start difference. First operand 2706 states and 3907 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)