./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-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 f8b90978b682a83c8f6f0d2fe75b83e30918fdef6451144e6a40fff2a4b9e706 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:57:25,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:57:25,760 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:57:25,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:57:25,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:57:25,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:57:25,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:57:25,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:57:25,794 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:57:25,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:57:25,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:57:25,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:57:25,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:57:25,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:57:25,799 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:57:25,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:57:25,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:57:25,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:57:25,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:57:25,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:57:25,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:57:25,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:57:25,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:57:25,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:57:25,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:57:25,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:57:25,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:57:25,804 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:57:25,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:57:25,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:57:25,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:57:25,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:57:25,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:57:25,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:57:25,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:57:25,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:57:25,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:57:25,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:57:25,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:57:25,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:57:25,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:57:25,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:57:25,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8b90978b682a83c8f6f0d2fe75b83e30918fdef6451144e6a40fff2a4b9e706 [2024-11-19 22:57:26,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:57:26,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:57:26,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:57:26,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:57:26,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:57:26,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2024-11-19 22:57:27,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:57:28,062 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:57:28,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2024-11-19 22:57:28,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c4361297/aa3b3ff9706a49a6b89168ed5db6346d/FLAGb370c6224 [2024-11-19 22:57:28,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c4361297/aa3b3ff9706a49a6b89168ed5db6346d [2024-11-19 22:57:28,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:57:28,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:57:28,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:57:28,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:57:28,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:57:28,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:57:28" (1/1) ... [2024-11-19 22:57:28,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4157b154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:28, skipping insertion in model container [2024-11-19 22:57:28,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:57:28" (1/1) ... [2024-11-19 22:57:28,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:57:29,604 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[172160,172173] [2024-11-19 22:57:29,803 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[250199,250212] [2024-11-19 22:57:29,892 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[289422,289435] [2024-11-19 22:57:29,938 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[309133,309146] [2024-11-19 22:57:29,966 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[319011,319024] [2024-11-19 22:57:29,978 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[323922,323935] [2024-11-19 22:57:29,989 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[328750,328763] [2024-11-19 22:57:30,216 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[405185,405198] [2024-11-19 22:57:30,316 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[443553,443566] [2024-11-19 22:57:30,367 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[463065,463078] [2024-11-19 22:57:30,396 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[472989,473002] [2024-11-19 22:57:30,411 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[477943,477956] [2024-11-19 22:57:30,426 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[482814,482827] [2024-11-19 22:57:30,519 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[521320,521333] [2024-11-19 22:57:30,571 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[540838,540851] [2024-11-19 22:57:30,599 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[550762,550775] [2024-11-19 22:57:30,615 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[555716,555729] [2024-11-19 22:57:30,630 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[560575,560588] [2024-11-19 22:57:30,683 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[581321,581334] [2024-11-19 22:57:30,708 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[591188,591201] [2024-11-19 22:57:30,721 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[596115,596128] [2024-11-19 22:57:30,734 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[600957,600970] [2024-11-19 22:57:30,749 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[606379,606392] [2024-11-19 22:57:30,761 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[611215,611228] [2024-11-19 22:57:30,774 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[616142,616155] [2024-11-19 22:57:30,787 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[620984,620997] [2024-11-19 22:57:30,800 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[626027,626040] [2024-11-19 22:57:30,814 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[631036,631049] [2024-11-19 22:57:30,827 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[635974,635987] [2024-11-19 22:57:30,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:57:30,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:57:31,304 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[172160,172173] [2024-11-19 22:57:31,450 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[250199,250212] [2024-11-19 22:57:31,524 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[289422,289435] [2024-11-19 22:57:31,606 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[309133,309146] [2024-11-19 22:57:31,626 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[319011,319024] [2024-11-19 22:57:31,637 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[323922,323935] [2024-11-19 22:57:31,649 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[328750,328763] [2024-11-19 22:57:31,779 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[405185,405198] [2024-11-19 22:57:31,850 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[443553,443566] [2024-11-19 22:57:31,887 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[463065,463078] [2024-11-19 22:57:31,907 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[472989,473002] [2024-11-19 22:57:31,919 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[477943,477956] [2024-11-19 22:57:31,929 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[482814,482827] [2024-11-19 22:57:31,998 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[521320,521333] [2024-11-19 22:57:32,035 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[540838,540851] [2024-11-19 22:57:32,055 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[550762,550775] [2024-11-19 22:57:32,065 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[555716,555729] [2024-11-19 22:57:32,075 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[560575,560588] [2024-11-19 22:57:32,146 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[581321,581334] [2024-11-19 22:57:32,166 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[591188,591201] [2024-11-19 22:57:32,177 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[596115,596128] [2024-11-19 22:57:32,186 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[600957,600970] [2024-11-19 22:57:32,198 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[606379,606392] [2024-11-19 22:57:32,208 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[611215,611228] [2024-11-19 22:57:32,219 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[616142,616155] [2024-11-19 22:57:32,230 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[620984,620997] [2024-11-19 22:57:32,244 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[626027,626040] [2024-11-19 22:57:32,255 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[631036,631049] [2024-11-19 22:57:32,265 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[635974,635987] [2024-11-19 22:57:32,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:57:32,355 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:57:32,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32 WrapperNode [2024-11-19 22:57:32,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:57:32,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:57:32,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:57:32,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:57:32,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:32,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:32,858 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28257 [2024-11-19 22:57:32,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:57:32,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:57:32,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:57:32,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:57:32,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:32,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:32,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:33,161 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]. [2024-11-19 22:57:33,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:33,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:33,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:33,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:33,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:33,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:33,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:57:33,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:57:33,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:57:33,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:57:33,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (1/1) ... [2024-11-19 22:57:33,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:57:33,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:57:33,599 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) [2024-11-19 22:57:33,608 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 [2024-11-19 22:57:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:57:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:57:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:57:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:57:34,553 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:57:34,555 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:57:45,732 INFO L? ?]: Removed 5967 outVars from TransFormulas that were not future-live. [2024-11-19 22:57:45,732 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:57:45,833 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:57:45,834 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 22:57:45,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:57:45 BoogieIcfgContainer [2024-11-19 22:57:45,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:57:45,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:57:45,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:57:45,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:57:45,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:57:28" (1/3) ... [2024-11-19 22:57:45,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dfb2d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:57:45, skipping insertion in model container [2024-11-19 22:57:45,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:57:32" (2/3) ... [2024-11-19 22:57:45,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dfb2d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:57:45, skipping insertion in model container [2024-11-19 22:57:45,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:57:45" (3/3) ... [2024-11-19 22:57:45,845 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2024-11-19 22:57:45,860 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:57:45,861 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-19 22:57:46,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:57:46,049 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;@4539bf61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:57:46,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-19 22:57:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 5467 states, 5437 states have (on average 1.7491263564465698) internal successors, (9510), 5466 states have internal predecessors, (9510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:46,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 22:57:46,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:46,124 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] [2024-11-19 22:57:46,125 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:57:46,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1092592849, now seen corresponding path program 1 times [2024-11-19 22:57:46,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:46,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409926297] [2024-11-19 22:57:46,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:46,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:46,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:46,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409926297] [2024-11-19 22:57:46,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409926297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:46,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:46,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:57:46,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783479149] [2024-11-19 22:57:46,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:46,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:57:46,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:47,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:57:47,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:57:47,028 INFO L87 Difference]: Start difference. First operand has 5467 states, 5437 states have (on average 1.7491263564465698) internal successors, (9510), 5466 states have internal predecessors, (9510), 0 states have call successors, (0), 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 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:50,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:50,022 INFO L93 Difference]: Finished difference Result 6032 states and 10392 transitions. [2024-11-19 22:57:50,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:57:50,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-11-19 22:57:50,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:50,063 INFO L225 Difference]: With dead ends: 6032 [2024-11-19 22:57:50,064 INFO L226 Difference]: Without dead ends: 3368 [2024-11-19 22:57:50,076 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 [2024-11-19 22:57:50,082 INFO L432 NwaCegarLoop]: 3160 mSDtfsCounter, 17080 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17080 SdHoareTripleChecker+Valid, 3238 SdHoareTripleChecker+Invalid, 2651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:50,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17080 Valid, 3238 Invalid, 2651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 2600 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-19 22:57:50,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2024-11-19 22:57:50,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3368. [2024-11-19 22:57:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3368 states, 3339 states have (on average 1.2961964660077867) internal successors, (4328), 3367 states have internal predecessors, (4328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:50,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 4328 transitions. [2024-11-19 22:57:50,214 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 4328 transitions. Word has length 102 [2024-11-19 22:57:50,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:50,215 INFO L471 AbstractCegarLoop]: Abstraction has 3368 states and 4328 transitions. [2024-11-19 22:57:50,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:50,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 4328 transitions. [2024-11-19 22:57:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 22:57:50,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:50,223 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] [2024-11-19 22:57:50,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:57:50,224 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:57:50,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2083341886, now seen corresponding path program 1 times [2024-11-19 22:57:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:50,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75015326] [2024-11-19 22:57:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:50,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:50,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75015326] [2024-11-19 22:57:50,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75015326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:50,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:50,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:57:50,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669706316] [2024-11-19 22:57:50,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:50,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:57:50,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:50,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:57:50,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:57:50,599 INFO L87 Difference]: Start difference. First operand 3368 states and 4328 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:52,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:52,919 INFO L93 Difference]: Finished difference Result 4692 states and 6071 transitions. [2024-11-19 22:57:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:57:52,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-11-19 22:57:52,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:52,931 INFO L225 Difference]: With dead ends: 4692 [2024-11-19 22:57:52,932 INFO L226 Difference]: Without dead ends: 3112 [2024-11-19 22:57:52,934 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 [2024-11-19 22:57:52,936 INFO L432 NwaCegarLoop]: 1752 mSDtfsCounter, 11927 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11927 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:52,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11927 Valid, 1804 Invalid, 2388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-19 22:57:52,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3112 states. [2024-11-19 22:57:52,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3112 to 3112. [2024-11-19 22:57:52,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3112 states, 3083 states have (on average 1.3100875770353553) internal successors, (4039), 3111 states have internal predecessors, (4039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:52,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 3112 states and 4039 transitions. [2024-11-19 22:57:52,993 INFO L78 Accepts]: Start accepts. Automaton has 3112 states and 4039 transitions. Word has length 102 [2024-11-19 22:57:52,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:52,995 INFO L471 AbstractCegarLoop]: Abstraction has 3112 states and 4039 transitions. [2024-11-19 22:57:52,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 4039 transitions. [2024-11-19 22:57:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 22:57:53,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:53,002 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] [2024-11-19 22:57:53,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:57:53,003 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:57:53,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:53,003 INFO L85 PathProgramCache]: Analyzing trace with hash -88773195, now seen corresponding path program 1 times [2024-11-19 22:57:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:53,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31005846] [2024-11-19 22:57:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:53,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:53,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:53,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31005846] [2024-11-19 22:57:53,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31005846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:53,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:53,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:57:53,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011807047] [2024-11-19 22:57:53,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:53,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:57:53,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:53,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:57:53,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:57:53,319 INFO L87 Difference]: Start difference. First operand 3112 states and 4039 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:55,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:55,990 INFO L93 Difference]: Finished difference Result 5599 states and 7322 transitions. [2024-11-19 22:57:55,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:57:55,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-11-19 22:57:55,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:56,003 INFO L225 Difference]: With dead ends: 5599 [2024-11-19 22:57:56,003 INFO L226 Difference]: Without dead ends: 4031 [2024-11-19 22:57:56,005 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 [2024-11-19 22:57:56,007 INFO L432 NwaCegarLoop]: 1729 mSDtfsCounter, 14110 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 2737 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14110 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 2758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:56,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14110 Valid, 2596 Invalid, 2758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2737 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-19 22:57:56,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4031 states. [2024-11-19 22:57:56,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4031 to 3861. [2024-11-19 22:57:56,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 3832 states have (on average 1.3457724425887265) internal successors, (5157), 3860 states have internal predecessors, (5157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5157 transitions. [2024-11-19 22:57:56,070 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5157 transitions. Word has length 102 [2024-11-19 22:57:56,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:56,071 INFO L471 AbstractCegarLoop]: Abstraction has 3861 states and 5157 transitions. [2024-11-19 22:57:56,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5157 transitions. [2024-11-19 22:57:56,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 22:57:56,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:56,078 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] [2024-11-19 22:57:56,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:57:56,078 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:57:56,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:56,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2026696452, now seen corresponding path program 1 times [2024-11-19 22:57:56,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:56,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90923531] [2024-11-19 22:57:56,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:56,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:56,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:56,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:56,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90923531] [2024-11-19 22:57:56,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90923531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:56,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:56,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:57:56,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054949410] [2024-11-19 22:57:56,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:56,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:57:56,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:56,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:57:56,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:57:56,358 INFO L87 Difference]: Start difference. First operand 3861 states and 5157 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:57,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:57,638 INFO L93 Difference]: Finished difference Result 4930 states and 6593 transitions. [2024-11-19 22:57:57,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:57:57,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2024-11-19 22:57:57,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:57,647 INFO L225 Difference]: With dead ends: 4930 [2024-11-19 22:57:57,647 INFO L226 Difference]: Without dead ends: 3001 [2024-11-19 22:57:57,651 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 [2024-11-19 22:57:57,652 INFO L432 NwaCegarLoop]: 1393 mSDtfsCounter, 8268 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8268 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:57,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8268 Valid, 1421 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 22:57:57,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2024-11-19 22:57:57,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 3001. [2024-11-19 22:57:57,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2972 states have (on average 1.3617092866756393) internal successors, (4047), 3000 states have internal predecessors, (4047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:57,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4047 transitions. [2024-11-19 22:57:57,697 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4047 transitions. Word has length 104 [2024-11-19 22:57:57,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:57,698 INFO L471 AbstractCegarLoop]: Abstraction has 3001 states and 4047 transitions. [2024-11-19 22:57:57,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4047 transitions. [2024-11-19 22:57:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-19 22:57:57,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:57,703 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] [2024-11-19 22:57:57,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:57:57,704 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:57:57,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:57,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1689722247, now seen corresponding path program 1 times [2024-11-19 22:57:57,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:57,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144183265] [2024-11-19 22:57:57,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:57,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:57,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:57,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144183265] [2024-11-19 22:57:57,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144183265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:57,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:57,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:57:57,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344515286] [2024-11-19 22:57:57,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:57,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:57:57,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:57,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:57:57,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:57:57,961 INFO L87 Difference]: Start difference. First operand 3001 states and 4047 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:58,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:58,954 INFO L93 Difference]: Finished difference Result 4320 states and 5839 transitions. [2024-11-19 22:57:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:57:58,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2024-11-19 22:57:58,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:58,965 INFO L225 Difference]: With dead ends: 4320 [2024-11-19 22:57:58,965 INFO L226 Difference]: Without dead ends: 2772 [2024-11-19 22:57:58,967 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 [2024-11-19 22:57:58,968 INFO L432 NwaCegarLoop]: 1326 mSDtfsCounter, 7654 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7654 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:58,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7654 Valid, 1338 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:57:58,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2024-11-19 22:57:59,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 2772. [2024-11-19 22:57:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2743 states have (on average 1.3722201968647467) internal successors, (3764), 2771 states have internal predecessors, (3764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3764 transitions. [2024-11-19 22:57:59,015 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3764 transitions. Word has length 106 [2024-11-19 22:57:59,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:59,016 INFO L471 AbstractCegarLoop]: Abstraction has 2772 states and 3764 transitions. [2024-11-19 22:57:59,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:59,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3764 transitions. [2024-11-19 22:57:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-19 22:57:59,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:59,021 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] [2024-11-19 22:57:59,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:57:59,021 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:57:59,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:59,022 INFO L85 PathProgramCache]: Analyzing trace with hash 790399219, now seen corresponding path program 1 times [2024-11-19 22:57:59,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:59,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658588796] [2024-11-19 22:57:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:59,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:59,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:59,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658588796] [2024-11-19 22:57:59,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658588796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:59,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:59,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:57:59,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163850531] [2024-11-19 22:57:59,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:59,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:57:59,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:59,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:57:59,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:57:59,266 INFO L87 Difference]: Start difference. First operand 2772 states and 3764 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:00,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:00,262 INFO L93 Difference]: Finished difference Result 3983 states and 5410 transitions. [2024-11-19 22:58:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:58:00,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2024-11-19 22:58:00,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:00,268 INFO L225 Difference]: With dead ends: 3983 [2024-11-19 22:58:00,269 INFO L226 Difference]: Without dead ends: 2551 [2024-11-19 22:58:00,270 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 [2024-11-19 22:58:00,271 INFO L432 NwaCegarLoop]: 1241 mSDtfsCounter, 7037 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7037 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:00,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7037 Valid, 1261 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:58:00,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2551 states. [2024-11-19 22:58:00,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2551 to 2551. [2024-11-19 22:58:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2522 states have (on average 1.3794607454401269) internal successors, (3479), 2550 states have internal predecessors, (3479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:00,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 3479 transitions. [2024-11-19 22:58:00,327 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 3479 transitions. Word has length 108 [2024-11-19 22:58:00,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:00,327 INFO L471 AbstractCegarLoop]: Abstraction has 2551 states and 3479 transitions. [2024-11-19 22:58:00,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:00,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 3479 transitions. [2024-11-19 22:58:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-19 22:58:00,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:00,333 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] [2024-11-19 22:58:00,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:58:00,333 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:00,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:00,334 INFO L85 PathProgramCache]: Analyzing trace with hash -457820444, now seen corresponding path program 1 times [2024-11-19 22:58:00,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:00,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189599944] [2024-11-19 22:58:00,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:00,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:00,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:00,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189599944] [2024-11-19 22:58:00,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189599944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:00,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:00,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:58:00,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151991003] [2024-11-19 22:58:00,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:00,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:58:00,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:00,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:58:00,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:58:00,594 INFO L87 Difference]: Start difference. First operand 2551 states and 3479 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:01,269 INFO L93 Difference]: Finished difference Result 2942 states and 3949 transitions. [2024-11-19 22:58:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:58:01,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2024-11-19 22:58:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:01,273 INFO L225 Difference]: With dead ends: 2942 [2024-11-19 22:58:01,273 INFO L226 Difference]: Without dead ends: 1734 [2024-11-19 22:58:01,275 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 [2024-11-19 22:58:01,275 INFO L432 NwaCegarLoop]: 841 mSDtfsCounter, 4661 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4661 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:01,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4661 Valid, 885 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 22:58:01,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-11-19 22:58:01,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2024-11-19 22:58:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3941348973607037) internal successors, (2377), 1733 states have internal predecessors, (2377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2377 transitions. [2024-11-19 22:58:01,307 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2377 transitions. Word has length 110 [2024-11-19 22:58:01,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:01,307 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2377 transitions. [2024-11-19 22:58:01,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2377 transitions. [2024-11-19 22:58:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 22:58:01,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:01,311 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] [2024-11-19 22:58:01,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 22:58:01,312 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:01,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:01,312 INFO L85 PathProgramCache]: Analyzing trace with hash 521947695, now seen corresponding path program 1 times [2024-11-19 22:58:01,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:01,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017150817] [2024-11-19 22:58:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:01,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:02,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:02,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017150817] [2024-11-19 22:58:02,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017150817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:02,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:02,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-19 22:58:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707839395] [2024-11-19 22:58:02,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:02,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:58:02,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:02,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:58:02,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:58:02,257 INFO L87 Difference]: Start difference. First operand 1734 states and 2377 transitions. Second operand has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:04,774 INFO L93 Difference]: Finished difference Result 2868 states and 3909 transitions. [2024-11-19 22:58:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 22:58:04,774 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-11-19 22:58:04,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:04,781 INFO L225 Difference]: With dead ends: 2868 [2024-11-19 22:58:04,781 INFO L226 Difference]: Without dead ends: 2684 [2024-11-19 22:58:04,782 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 [2024-11-19 22:58:04,782 INFO L432 NwaCegarLoop]: 899 mSDtfsCounter, 8351 mSDsluCounter, 3939 mSDsCounter, 0 mSdLazyCounter, 3904 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8351 SdHoareTripleChecker+Valid, 4838 SdHoareTripleChecker+Invalid, 3919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:04,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8351 Valid, 4838 Invalid, 3919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3904 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-19 22:58:04,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2024-11-19 22:58:04,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 1756. [2024-11-19 22:58:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1727 states have (on average 1.3943254198031267) internal successors, (2408), 1755 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2408 transitions. [2024-11-19 22:58:04,829 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2408 transitions. Word has length 112 [2024-11-19 22:58:04,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:04,830 INFO L471 AbstractCegarLoop]: Abstraction has 1756 states and 2408 transitions. [2024-11-19 22:58:04,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2408 transitions. [2024-11-19 22:58:04,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 22:58:04,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:04,835 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] [2024-11-19 22:58:04,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 22:58:04,837 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:04,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:04,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2141698705, now seen corresponding path program 1 times [2024-11-19 22:58:04,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:04,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637526244] [2024-11-19 22:58:04,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:04,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:05,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:05,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637526244] [2024-11-19 22:58:05,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637526244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:05,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:05,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:05,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293301444] [2024-11-19 22:58:05,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:05,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:05,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:05,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:05,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:05,574 INFO L87 Difference]: Start difference. First operand 1756 states and 2408 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:07,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:07,498 INFO L93 Difference]: Finished difference Result 2891 states and 3966 transitions. [2024-11-19 22:58:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 22:58:07,498 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-11-19 22:58:07,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:07,505 INFO L225 Difference]: With dead ends: 2891 [2024-11-19 22:58:07,505 INFO L226 Difference]: Without dead ends: 2472 [2024-11-19 22:58:07,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-19 22:58:07,506 INFO L432 NwaCegarLoop]: 932 mSDtfsCounter, 5839 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 3845 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5839 SdHoareTripleChecker+Valid, 5301 SdHoareTripleChecker+Invalid, 3852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:07,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5839 Valid, 5301 Invalid, 3852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3845 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 22:58:07,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2472 states. [2024-11-19 22:58:07,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2472 to 1734. [2024-11-19 22:58:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3935483870967742) internal successors, (2376), 1733 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:07,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2376 transitions. [2024-11-19 22:58:07,537 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2376 transitions. Word has length 112 [2024-11-19 22:58:07,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:07,537 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2376 transitions. [2024-11-19 22:58:07,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2376 transitions. [2024-11-19 22:58:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 22:58:07,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:07,540 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] [2024-11-19 22:58:07,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 22:58:07,541 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:07,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:07,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1864219921, now seen corresponding path program 1 times [2024-11-19 22:58:07,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:07,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696701171] [2024-11-19 22:58:07,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:07,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:08,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:08,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696701171] [2024-11-19 22:58:08,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696701171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:08,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:08,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:08,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253495101] [2024-11-19 22:58:08,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:08,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:08,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:08,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:08,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:08,114 INFO L87 Difference]: Start difference. First operand 1734 states and 2376 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:09,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:09,739 INFO L93 Difference]: Finished difference Result 2987 states and 4120 transitions. [2024-11-19 22:58:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:58:09,740 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-11-19 22:58:09,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:09,747 INFO L225 Difference]: With dead ends: 2987 [2024-11-19 22:58:09,747 INFO L226 Difference]: Without dead ends: 2704 [2024-11-19 22:58:09,748 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 [2024-11-19 22:58:09,749 INFO L432 NwaCegarLoop]: 1131 mSDtfsCounter, 8012 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 3561 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8012 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 3568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:09,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8012 Valid, 4937 Invalid, 3568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3561 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 22:58:09,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2024-11-19 22:58:09,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 1734. [2024-11-19 22:58:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3929618768328447) internal successors, (2375), 1733 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2375 transitions. [2024-11-19 22:58:09,777 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2375 transitions. Word has length 112 [2024-11-19 22:58:09,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:09,778 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2375 transitions. [2024-11-19 22:58:09,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2375 transitions. [2024-11-19 22:58:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 22:58:09,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:09,781 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] [2024-11-19 22:58:09,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 22:58:09,781 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:09,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash -326667601, now seen corresponding path program 1 times [2024-11-19 22:58:09,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:09,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011011413] [2024-11-19 22:58:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:09,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:10,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:10,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011011413] [2024-11-19 22:58:10,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011011413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:10,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:10,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 22:58:10,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266670896] [2024-11-19 22:58:10,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:10,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 22:58:10,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:10,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 22:58:10,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:58:10,366 INFO L87 Difference]: Start difference. First operand 1734 states and 2375 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:12,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:12,036 INFO L93 Difference]: Finished difference Result 2866 states and 3932 transitions. [2024-11-19 22:58:12,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:58:12,036 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-11-19 22:58:12,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:12,043 INFO L225 Difference]: With dead ends: 2866 [2024-11-19 22:58:12,043 INFO L226 Difference]: Without dead ends: 2645 [2024-11-19 22:58:12,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-11-19 22:58:12,044 INFO L432 NwaCegarLoop]: 918 mSDtfsCounter, 6972 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 3572 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6972 SdHoareTripleChecker+Valid, 4834 SdHoareTripleChecker+Invalid, 3582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:12,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6972 Valid, 4834 Invalid, 3582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 3572 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 22:58:12,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2024-11-19 22:58:12,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 1734. [2024-11-19 22:58:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3917888563049854) internal successors, (2373), 1733 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2373 transitions. [2024-11-19 22:58:12,069 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2373 transitions. Word has length 112 [2024-11-19 22:58:12,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:12,069 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2373 transitions. [2024-11-19 22:58:12,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2373 transitions. [2024-11-19 22:58:12,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 22:58:12,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:12,073 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] [2024-11-19 22:58:12,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 22:58:12,073 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:12,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:12,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1796458449, now seen corresponding path program 1 times [2024-11-19 22:58:12,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:12,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955343085] [2024-11-19 22:58:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:12,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:12,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955343085] [2024-11-19 22:58:12,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955343085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:12,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:12,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:58:12,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842745852] [2024-11-19 22:58:12,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:12,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 22:58:12,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:12,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 22:58:12,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:58:12,616 INFO L87 Difference]: Start difference. First operand 1734 states and 2373 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:14,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:14,103 INFO L93 Difference]: Finished difference Result 3007 states and 3982 transitions. [2024-11-19 22:58:14,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 22:58:14,104 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-11-19 22:58:14,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:14,107 INFO L225 Difference]: With dead ends: 3007 [2024-11-19 22:58:14,108 INFO L226 Difference]: Without dead ends: 2276 [2024-11-19 22:58:14,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:58:14,109 INFO L432 NwaCegarLoop]: 781 mSDtfsCounter, 6462 mSDsluCounter, 2471 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6462 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 3131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:14,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6462 Valid, 3252 Invalid, 3131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3127 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 22:58:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2024-11-19 22:58:14,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 1734. [2024-11-19 22:58:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3912023460410556) internal successors, (2372), 1733 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2372 transitions. [2024-11-19 22:58:14,130 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2372 transitions. Word has length 112 [2024-11-19 22:58:14,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:14,131 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2372 transitions. [2024-11-19 22:58:14,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2372 transitions. [2024-11-19 22:58:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-19 22:58:14,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:14,134 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] [2024-11-19 22:58:14,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 22:58:14,134 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:14,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:14,134 INFO L85 PathProgramCache]: Analyzing trace with hash 551994640, now seen corresponding path program 1 times [2024-11-19 22:58:14,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:14,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29400212] [2024-11-19 22:58:14,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:14,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:14,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:14,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29400212] [2024-11-19 22:58:14,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29400212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:14,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:14,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:14,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112259169] [2024-11-19 22:58:14,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:14,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:14,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:14,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:14,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:14,595 INFO L87 Difference]: Start difference. First operand 1734 states and 2372 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:16,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:16,191 INFO L93 Difference]: Finished difference Result 2893 states and 3978 transitions. [2024-11-19 22:58:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:58:16,192 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2024-11-19 22:58:16,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:16,196 INFO L225 Difference]: With dead ends: 2893 [2024-11-19 22:58:16,197 INFO L226 Difference]: Without dead ends: 2673 [2024-11-19 22:58:16,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:58:16,198 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 8463 mSDsluCounter, 3425 mSDsCounter, 0 mSdLazyCounter, 3279 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8463 SdHoareTripleChecker+Valid, 4437 SdHoareTripleChecker+Invalid, 3286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:16,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8463 Valid, 4437 Invalid, 3286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3279 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 22:58:16,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2024-11-19 22:58:16,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 1734. [2024-11-19 22:58:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.390615835777126) internal successors, (2371), 1733 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:16,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2371 transitions. [2024-11-19 22:58:16,222 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2371 transitions. Word has length 113 [2024-11-19 22:58:16,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:16,222 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2371 transitions. [2024-11-19 22:58:16,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2371 transitions. [2024-11-19 22:58:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 22:58:16,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:16,225 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] [2024-11-19 22:58:16,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 22:58:16,225 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:16,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:16,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1400819156, now seen corresponding path program 1 times [2024-11-19 22:58:16,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:16,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332020162] [2024-11-19 22:58:16,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:16,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:16,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:16,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332020162] [2024-11-19 22:58:16,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332020162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:16,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:16,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:16,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330550] [2024-11-19 22:58:16,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:16,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:16,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:16,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:16,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:16,688 INFO L87 Difference]: Start difference. First operand 1734 states and 2371 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:18,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:18,357 INFO L93 Difference]: Finished difference Result 3103 states and 4269 transitions. [2024-11-19 22:58:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:58:18,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-19 22:58:18,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:18,361 INFO L225 Difference]: With dead ends: 3103 [2024-11-19 22:58:18,361 INFO L226 Difference]: Without dead ends: 2704 [2024-11-19 22:58:18,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-19 22:58:18,362 INFO L432 NwaCegarLoop]: 1131 mSDtfsCounter, 7993 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 3546 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7993 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 3553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:18,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7993 Valid, 4937 Invalid, 3553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3546 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 22:58:18,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2024-11-19 22:58:18,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 1734. [2024-11-19 22:58:18,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3894428152492668) internal successors, (2369), 1733 states have internal predecessors, (2369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2369 transitions. [2024-11-19 22:58:18,383 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2369 transitions. Word has length 114 [2024-11-19 22:58:18,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:18,383 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2369 transitions. [2024-11-19 22:58:18,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:18,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2369 transitions. [2024-11-19 22:58:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 22:58:18,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:18,386 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] [2024-11-19 22:58:18,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 22:58:18,387 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:18,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:18,387 INFO L85 PathProgramCache]: Analyzing trace with hash 265165076, now seen corresponding path program 1 times [2024-11-19 22:58:18,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:18,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944236378] [2024-11-19 22:58:18,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:18,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:18,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:18,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944236378] [2024-11-19 22:58:18,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944236378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:18,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:18,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:18,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366798812] [2024-11-19 22:58:18,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:18,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:18,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:18,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:18,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:18,785 INFO L87 Difference]: Start difference. First operand 1734 states and 2369 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:20,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:20,033 INFO L93 Difference]: Finished difference Result 2538 states and 3486 transitions. [2024-11-19 22:58:20,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:58:20,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-19 22:58:20,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:20,036 INFO L225 Difference]: With dead ends: 2538 [2024-11-19 22:58:20,036 INFO L226 Difference]: Without dead ends: 1824 [2024-11-19 22:58:20,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:58:20,037 INFO L432 NwaCegarLoop]: 931 mSDtfsCounter, 2627 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 2996 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 4127 SdHoareTripleChecker+Invalid, 3002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:20,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 4127 Invalid, 3002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2996 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 22:58:20,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2024-11-19 22:58:20,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1734. [2024-11-19 22:58:20,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3882697947214075) internal successors, (2367), 1733 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:20,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2367 transitions. [2024-11-19 22:58:20,056 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2367 transitions. Word has length 114 [2024-11-19 22:58:20,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:20,056 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2367 transitions. [2024-11-19 22:58:20,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2367 transitions. [2024-11-19 22:58:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 22:58:20,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:20,059 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] [2024-11-19 22:58:20,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 22:58:20,059 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:20,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:20,060 INFO L85 PathProgramCache]: Analyzing trace with hash -13080044, now seen corresponding path program 1 times [2024-11-19 22:58:20,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:20,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611402051] [2024-11-19 22:58:20,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:20,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:20,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:20,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611402051] [2024-11-19 22:58:20,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611402051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:20,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:20,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:20,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318064231] [2024-11-19 22:58:20,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:20,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:20,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:20,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:20,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:20,551 INFO L87 Difference]: Start difference. First operand 1734 states and 2367 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:22,360 INFO L93 Difference]: Finished difference Result 3008 states and 4132 transitions. [2024-11-19 22:58:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:58:22,361 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-19 22:58:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:22,364 INFO L225 Difference]: With dead ends: 3008 [2024-11-19 22:58:22,364 INFO L226 Difference]: Without dead ends: 2704 [2024-11-19 22:58:22,365 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 [2024-11-19 22:58:22,366 INFO L432 NwaCegarLoop]: 1416 mSDtfsCounter, 3277 mSDsluCounter, 4655 mSDsCounter, 0 mSdLazyCounter, 4334 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3277 SdHoareTripleChecker+Valid, 6071 SdHoareTripleChecker+Invalid, 4339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:22,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3277 Valid, 6071 Invalid, 4339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4334 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 22:58:22,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2024-11-19 22:58:22,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 1734. [2024-11-19 22:58:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.387683284457478) internal successors, (2366), 1733 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2366 transitions. [2024-11-19 22:58:22,390 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2366 transitions. Word has length 114 [2024-11-19 22:58:22,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:22,390 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2366 transitions. [2024-11-19 22:58:22,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2366 transitions. [2024-11-19 22:58:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 22:58:22,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:22,393 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] [2024-11-19 22:58:22,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 22:58:22,394 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:22,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:22,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1189391956, now seen corresponding path program 1 times [2024-11-19 22:58:22,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:22,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457147113] [2024-11-19 22:58:22,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:22,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:22,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:22,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457147113] [2024-11-19 22:58:22,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457147113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:22,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:22,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:22,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939903187] [2024-11-19 22:58:22,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:22,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:22,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:22,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:22,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:22,819 INFO L87 Difference]: Start difference. First operand 1734 states and 2366 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:24,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:24,478 INFO L93 Difference]: Finished difference Result 2900 states and 3979 transitions. [2024-11-19 22:58:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:58:24,479 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-19 22:58:24,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:24,483 INFO L225 Difference]: With dead ends: 2900 [2024-11-19 22:58:24,483 INFO L226 Difference]: Without dead ends: 2673 [2024-11-19 22:58:24,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:58:24,484 INFO L432 NwaCegarLoop]: 1219 mSDtfsCounter, 4451 mSDsluCounter, 4044 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4451 SdHoareTripleChecker+Valid, 5263 SdHoareTripleChecker+Invalid, 3854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:24,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4451 Valid, 5263 Invalid, 3854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 22:58:24,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2024-11-19 22:58:24,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 1734. [2024-11-19 22:58:24,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3870967741935485) internal successors, (2365), 1733 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2365 transitions. [2024-11-19 22:58:24,507 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2365 transitions. Word has length 114 [2024-11-19 22:58:24,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:24,508 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2365 transitions. [2024-11-19 22:58:24,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2365 transitions. [2024-11-19 22:58:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 22:58:24,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:24,510 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] [2024-11-19 22:58:24,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 22:58:24,511 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:24,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:24,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1486418668, now seen corresponding path program 1 times [2024-11-19 22:58:24,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:24,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000586186] [2024-11-19 22:58:24,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:24,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:24,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:24,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000586186] [2024-11-19 22:58:24,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000586186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:24,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:24,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:24,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944248591] [2024-11-19 22:58:24,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:24,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:24,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:24,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:24,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:24,898 INFO L87 Difference]: Start difference. First operand 1734 states and 2365 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:26,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:26,325 INFO L93 Difference]: Finished difference Result 2848 states and 3893 transitions. [2024-11-19 22:58:26,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:58:26,326 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-19 22:58:26,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:26,330 INFO L225 Difference]: With dead ends: 2848 [2024-11-19 22:58:26,330 INFO L226 Difference]: Without dead ends: 2649 [2024-11-19 22:58:26,330 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 [2024-11-19 22:58:26,331 INFO L432 NwaCegarLoop]: 1003 mSDtfsCounter, 8422 mSDsluCounter, 3359 mSDsCounter, 0 mSdLazyCounter, 3222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8422 SdHoareTripleChecker+Valid, 4362 SdHoareTripleChecker+Invalid, 3229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:26,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8422 Valid, 4362 Invalid, 3229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3222 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 22:58:26,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2024-11-19 22:58:26,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1734. [2024-11-19 22:58:26,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3865102639296187) internal successors, (2364), 1733 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2364 transitions. [2024-11-19 22:58:26,352 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2364 transitions. Word has length 114 [2024-11-19 22:58:26,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:26,352 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2364 transitions. [2024-11-19 22:58:26,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:26,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2364 transitions. [2024-11-19 22:58:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 22:58:26,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:26,355 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] [2024-11-19 22:58:26,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 22:58:26,355 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:26,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:26,355 INFO L85 PathProgramCache]: Analyzing trace with hash -404323814, now seen corresponding path program 1 times [2024-11-19 22:58:26,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:26,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122432760] [2024-11-19 22:58:26,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:26,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:26,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:26,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122432760] [2024-11-19 22:58:26,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122432760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:26,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:26,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:26,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322776570] [2024-11-19 22:58:26,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:26,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:26,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:26,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:26,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:26,750 INFO L87 Difference]: Start difference. First operand 1734 states and 2364 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:28,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:28,234 INFO L93 Difference]: Finished difference Result 2840 states and 3884 transitions. [2024-11-19 22:58:28,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:58:28,235 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-19 22:58:28,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:28,239 INFO L225 Difference]: With dead ends: 2840 [2024-11-19 22:58:28,239 INFO L226 Difference]: Without dead ends: 2649 [2024-11-19 22:58:28,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:58:28,240 INFO L432 NwaCegarLoop]: 1003 mSDtfsCounter, 6233 mSDsluCounter, 3362 mSDsCounter, 0 mSdLazyCounter, 3215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6233 SdHoareTripleChecker+Valid, 4365 SdHoareTripleChecker+Invalid, 3222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:28,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6233 Valid, 4365 Invalid, 3222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3215 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 22:58:28,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2024-11-19 22:58:28,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1734. [2024-11-19 22:58:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3859237536656892) internal successors, (2363), 1733 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2363 transitions. [2024-11-19 22:58:28,260 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2363 transitions. Word has length 114 [2024-11-19 22:58:28,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:28,260 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2363 transitions. [2024-11-19 22:58:28,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:28,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2363 transitions. [2024-11-19 22:58:28,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-19 22:58:28,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:28,263 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] [2024-11-19 22:58:28,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 22:58:28,263 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:28,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:28,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1589275381, now seen corresponding path program 1 times [2024-11-19 22:58:28,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:28,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614896052] [2024-11-19 22:58:28,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:28,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:28,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:28,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614896052] [2024-11-19 22:58:28,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614896052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:28,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:28,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:28,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976118465] [2024-11-19 22:58:28,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:28,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:28,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:28,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:28,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:28,694 INFO L87 Difference]: Start difference. First operand 1734 states and 2363 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:30,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:30,341 INFO L93 Difference]: Finished difference Result 2952 states and 4045 transitions. [2024-11-19 22:58:30,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:58:30,341 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-11-19 22:58:30,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:30,345 INFO L225 Difference]: With dead ends: 2952 [2024-11-19 22:58:30,345 INFO L226 Difference]: Without dead ends: 2673 [2024-11-19 22:58:30,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-19 22:58:30,346 INFO L432 NwaCegarLoop]: 1219 mSDtfsCounter, 7430 mSDsluCounter, 4044 mSDsCounter, 0 mSdLazyCounter, 3831 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7430 SdHoareTripleChecker+Valid, 5263 SdHoareTripleChecker+Invalid, 3838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:30,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7430 Valid, 5263 Invalid, 3838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3831 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 22:58:30,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2024-11-19 22:58:30,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 1734. [2024-11-19 22:58:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.38475073313783) internal successors, (2361), 1733 states have internal predecessors, (2361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:30,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2361 transitions. [2024-11-19 22:58:30,368 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2361 transitions. Word has length 115 [2024-11-19 22:58:30,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:30,368 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2361 transitions. [2024-11-19 22:58:30,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2361 transitions. [2024-11-19 22:58:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-19 22:58:30,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:30,371 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] [2024-11-19 22:58:30,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 22:58:30,371 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:30,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:30,372 INFO L85 PathProgramCache]: Analyzing trace with hash 519576363, now seen corresponding path program 1 times [2024-11-19 22:58:30,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:30,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210181174] [2024-11-19 22:58:30,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:30,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:30,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:30,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210181174] [2024-11-19 22:58:30,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210181174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:30,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:30,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:30,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116008735] [2024-11-19 22:58:30,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:30,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:30,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:30,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:30,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:30,839 INFO L87 Difference]: Start difference. First operand 1734 states and 2361 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:32,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:58:32,545 INFO L93 Difference]: Finished difference Result 2867 states and 3917 transitions. [2024-11-19 22:58:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:58:32,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-11-19 22:58:32,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:58:32,548 INFO L225 Difference]: With dead ends: 2867 [2024-11-19 22:58:32,548 INFO L226 Difference]: Without dead ends: 2649 [2024-11-19 22:58:32,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:58:32,549 INFO L432 NwaCegarLoop]: 1046 mSDtfsCounter, 7060 mSDsluCounter, 4467 mSDsCounter, 0 mSdLazyCounter, 4016 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7060 SdHoareTripleChecker+Valid, 5513 SdHoareTripleChecker+Invalid, 4023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:58:32,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7060 Valid, 5513 Invalid, 4023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4016 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 22:58:32,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2024-11-19 22:58:32,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1734. [2024-11-19 22:58:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3835777126099706) internal successors, (2359), 1733 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2359 transitions. [2024-11-19 22:58:32,569 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2359 transitions. Word has length 115 [2024-11-19 22:58:32,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:58:32,569 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2359 transitions. [2024-11-19 22:58:32,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:58:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2359 transitions. [2024-11-19 22:58:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-19 22:58:32,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:58:32,572 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] [2024-11-19 22:58:32,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 22:58:32,572 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-19 22:58:32,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:58:32,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1088967413, now seen corresponding path program 1 times [2024-11-19 22:58:32,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:58:32,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286504506] [2024-11-19 22:58:32,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:58:32,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:58:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:58:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:58:33,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:58:33,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286504506] [2024-11-19 22:58:33,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286504506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:58:33,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:58:33,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:58:33,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126139253] [2024-11-19 22:58:33,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:58:33,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:58:33,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:58:33,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:58:33,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:58:33,003 INFO L87 Difference]: Start difference. First operand 1734 states and 2359 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)