./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.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbfd30746a885b9515f914ecf1282b7cce3374e505c2f59173500b59d4c3c5b9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 03:48:28,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 03:48:28,818 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 03:48:28,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 03:48:28,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 03:48:28,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 03:48:28,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 03:48:28,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 03:48:28,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 03:48:28,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 03:48:28,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 03:48:28,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 03:48:28,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 03:48:28,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 03:48:28,854 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 03:48:28,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 03:48:28,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 03:48:28,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 03:48:28,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 03:48:28,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 03:48:28,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 03:48:28,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 03:48:28,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 03:48:28,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 03:48:28,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 03:48:28,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 03:48:28,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 03:48:28,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 03:48:28,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 03:48:28,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 03:48:28,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 03:48:28,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 03:48:28,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:48:28,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 03:48:28,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 03:48:28,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 03:48:28,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 03:48:28,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 03:48:28,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 03:48:28,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 03:48:28,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 03:48:28,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 03:48:28,864 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbfd30746a885b9515f914ecf1282b7cce3374e505c2f59173500b59d4c3c5b9 [2024-10-11 03:48:29,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 03:48:29,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 03:48:29,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 03:48:29,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 03:48:29,103 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 03:48:29,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-11 03:48:30,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 03:48:30,590 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 03:48:30,594 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-11 03:48:30,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0eb66298a/aaa8356dd31b493cb3df9d028380e4c1/FLAGf3f1b3c1b [2024-10-11 03:48:30,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0eb66298a/aaa8356dd31b493cb3df9d028380e4c1 [2024-10-11 03:48:30,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 03:48:30,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 03:48:30,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 03:48:30,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 03:48:30,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 03:48:30,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:48:30" (1/1) ... [2024-10-11 03:48:30,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d07652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:30, skipping insertion in model container [2024-10-11 03:48:30,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:48:30" (1/1) ... [2024-10-11 03:48:30,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 03:48:30,920 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2024-10-11 03:48:30,949 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2024-10-11 03:48:30,959 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2024-10-11 03:48:30,966 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2024-10-11 03:48:30,972 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2024-10-11 03:48:30,977 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2024-10-11 03:48:30,985 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2024-10-11 03:48:30,993 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2024-10-11 03:48:30,998 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2024-10-11 03:48:31,002 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2024-10-11 03:48:31,012 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2024-10-11 03:48:31,029 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2024-10-11 03:48:31,033 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2024-10-11 03:48:31,039 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2024-10-11 03:48:31,052 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2024-10-11 03:48:31,066 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2024-10-11 03:48:31,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:48:31,236 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 03:48:31,286 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10929,10942] [2024-10-11 03:48:31,294 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14786,14799] [2024-10-11 03:48:31,297 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16007,16020] [2024-10-11 03:48:31,299 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16713,16726] [2024-10-11 03:48:31,306 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18257,18270] [2024-10-11 03:48:31,313 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18963,18976] [2024-10-11 03:48:31,316 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19992,20005] [2024-10-11 03:48:31,322 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22398,22411] [2024-10-11 03:48:31,327 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23107,23120] [2024-10-11 03:48:31,332 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24144,24157] [2024-10-11 03:48:31,336 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26040,26053] [2024-10-11 03:48:31,343 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29948,29961] [2024-10-11 03:48:31,345 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30657,30670] [2024-10-11 03:48:31,348 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31689,31702] [2024-10-11 03:48:31,352 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33580,33593] [2024-10-11 03:48:31,358 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36793,36806] [2024-10-11 03:48:31,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:48:31,446 INFO L204 MainTranslator]: Completed translation [2024-10-11 03:48:31,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31 WrapperNode [2024-10-11 03:48:31,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 03:48:31,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 03:48:31,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 03:48:31,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 03:48:31,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,558 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3579 [2024-10-11 03:48:31,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 03:48:31,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 03:48:31,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 03:48:31,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 03:48:31,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,580 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,628 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 03:48:31,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 03:48:31,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 03:48:31,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 03:48:31,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 03:48:31,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (1/1) ... [2024-10-11 03:48:31,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:48:31,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:48:31,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 03:48:31,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 03:48:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 03:48:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 03:48:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 03:48:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 03:48:31,927 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 03:48:31,928 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 03:48:33,377 INFO L? ?]: Removed 539 outVars from TransFormulas that were not future-live. [2024-10-11 03:48:33,377 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 03:48:33,428 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 03:48:33,428 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 03:48:33,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:48:33 BoogieIcfgContainer [2024-10-11 03:48:33,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 03:48:33,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 03:48:33,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 03:48:33,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 03:48:33,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:48:30" (1/3) ... [2024-10-11 03:48:33,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c3f8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:48:33, skipping insertion in model container [2024-10-11 03:48:33,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:48:31" (2/3) ... [2024-10-11 03:48:33,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c3f8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:48:33, skipping insertion in model container [2024-10-11 03:48:33,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:48:33" (3/3) ... [2024-10-11 03:48:33,436 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-11 03:48:33,450 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 03:48:33,450 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-11 03:48:33,521 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 03:48:33,527 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;@4b6cf876, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 03:48:33,528 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-10-11 03:48:33,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 624 states, 607 states have (on average 1.8533772652388798) internal successors, (1125), 623 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-11 03:48:33,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:33,553 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] [2024-10-11 03:48:33,554 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:33,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:33,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1484817577, now seen corresponding path program 1 times [2024-10-11 03:48:33,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:33,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547880070] [2024-10-11 03:48:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:33,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:34,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:34,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547880070] [2024-10-11 03:48:34,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547880070] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:34,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:34,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 03:48:34,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791268499] [2024-10-11 03:48:34,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:34,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 03:48:34,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:34,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 03:48:34,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 03:48:34,104 INFO L87 Difference]: Start difference. First operand has 624 states, 607 states have (on average 1.8533772652388798) internal successors, (1125), 623 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:34,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:34,492 INFO L93 Difference]: Finished difference Result 966 states and 1681 transitions. [2024-10-11 03:48:34,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:48:34,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-10-11 03:48:34,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:34,509 INFO L225 Difference]: With dead ends: 966 [2024-10-11 03:48:34,512 INFO L226 Difference]: Without dead ends: 506 [2024-10-11 03:48:34,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:48:34,521 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 2529 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2529 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:34,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2529 Valid, 618 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 03:48:34,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-10-11 03:48:34,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2024-10-11 03:48:34,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 490 states have (on average 1.3061224489795917) internal successors, (640), 505 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 640 transitions. [2024-10-11 03:48:34,578 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 640 transitions. Word has length 70 [2024-10-11 03:48:34,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:34,578 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 640 transitions. [2024-10-11 03:48:34,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:34,578 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 640 transitions. [2024-10-11 03:48:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 03:48:34,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:34,581 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] [2024-10-11 03:48:34,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 03:48:34,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:34,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:34,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1062417945, now seen corresponding path program 1 times [2024-10-11 03:48:34,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:34,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915163203] [2024-10-11 03:48:34,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:34,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:34,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:34,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915163203] [2024-10-11 03:48:34,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915163203] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:34,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:34,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 03:48:34,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18739423] [2024-10-11 03:48:34,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:34,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 03:48:34,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:34,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 03:48:34,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 03:48:34,759 INFO L87 Difference]: Start difference. First operand 506 states and 640 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:35,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:35,017 INFO L93 Difference]: Finished difference Result 842 states and 1095 transitions. [2024-10-11 03:48:35,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:48:35,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-11 03:48:35,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:35,019 INFO L225 Difference]: With dead ends: 842 [2024-10-11 03:48:35,019 INFO L226 Difference]: Without dead ends: 454 [2024-10-11 03:48:35,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:48:35,020 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 1657 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1657 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:35,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1657 Valid, 343 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:48:35,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-10-11 03:48:35,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2024-10-11 03:48:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 438 states have (on average 1.321917808219178) internal successors, (579), 453 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 579 transitions. [2024-10-11 03:48:35,038 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 579 transitions. Word has length 71 [2024-10-11 03:48:35,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:35,038 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 579 transitions. [2024-10-11 03:48:35,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 579 transitions. [2024-10-11 03:48:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-11 03:48:35,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:35,041 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] [2024-10-11 03:48:35,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 03:48:35,041 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:35,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:35,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1527977194, now seen corresponding path program 1 times [2024-10-11 03:48:35,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:35,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452031306] [2024-10-11 03:48:35,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:35,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:35,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:35,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452031306] [2024-10-11 03:48:35,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452031306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:35,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:35,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 03:48:35,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001208624] [2024-10-11 03:48:35,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:35,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 03:48:35,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:35,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 03:48:35,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 03:48:35,200 INFO L87 Difference]: Start difference. First operand 454 states and 579 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:35,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:35,405 INFO L93 Difference]: Finished difference Result 790 states and 1033 transitions. [2024-10-11 03:48:35,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:48:35,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-10-11 03:48:35,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:35,407 INFO L225 Difference]: With dead ends: 790 [2024-10-11 03:48:35,407 INFO L226 Difference]: Without dead ends: 416 [2024-10-11 03:48:35,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:48:35,409 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 1555 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:35,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 319 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:48:35,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-10-11 03:48:35,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2024-10-11 03:48:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 400 states have (on average 1.34) internal successors, (536), 415 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:35,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 536 transitions. [2024-10-11 03:48:35,416 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 536 transitions. Word has length 72 [2024-10-11 03:48:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:35,416 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 536 transitions. [2024-10-11 03:48:35,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 536 transitions. [2024-10-11 03:48:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 03:48:35,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:35,418 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] [2024-10-11 03:48:35,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 03:48:35,419 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:35,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:35,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1740804882, now seen corresponding path program 1 times [2024-10-11 03:48:35,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:35,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165063788] [2024-10-11 03:48:35,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:35,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:35,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:35,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165063788] [2024-10-11 03:48:35,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165063788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:35,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:35,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 03:48:35,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623824874] [2024-10-11 03:48:35,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:35,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 03:48:35,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:35,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 03:48:35,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 03:48:35,535 INFO L87 Difference]: Start difference. First operand 416 states and 536 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:35,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:35,840 INFO L93 Difference]: Finished difference Result 965 states and 1273 transitions. [2024-10-11 03:48:35,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:48:35,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-11 03:48:35,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:35,843 INFO L225 Difference]: With dead ends: 965 [2024-10-11 03:48:35,843 INFO L226 Difference]: Without dead ends: 607 [2024-10-11 03:48:35,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:48:35,846 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 2057 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:35,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 466 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 03:48:35,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-10-11 03:48:35,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 547. [2024-10-11 03:48:35,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.39924670433145) internal successors, (743), 546 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 743 transitions. [2024-10-11 03:48:35,859 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 743 transitions. Word has length 73 [2024-10-11 03:48:35,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:35,860 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 743 transitions. [2024-10-11 03:48:35,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 743 transitions. [2024-10-11 03:48:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 03:48:35,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:35,861 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] [2024-10-11 03:48:35,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 03:48:35,861 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:35,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:35,862 INFO L85 PathProgramCache]: Analyzing trace with hash -759675733, now seen corresponding path program 1 times [2024-10-11 03:48:35,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:35,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884598105] [2024-10-11 03:48:35,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:35,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:35,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:35,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884598105] [2024-10-11 03:48:35,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884598105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:35,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:35,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 03:48:35,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675838620] [2024-10-11 03:48:35,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:35,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 03:48:35,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:35,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 03:48:35,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 03:48:35,994 INFO L87 Difference]: Start difference. First operand 547 states and 743 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:36,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:36,261 INFO L93 Difference]: Finished difference Result 1036 states and 1427 transitions. [2024-10-11 03:48:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:48:36,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-10-11 03:48:36,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:36,264 INFO L225 Difference]: With dead ends: 1036 [2024-10-11 03:48:36,264 INFO L226 Difference]: Without dead ends: 542 [2024-10-11 03:48:36,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:48:36,265 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 1414 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:36,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 280 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:48:36,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-11 03:48:36,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2024-10-11 03:48:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.397338403041825) internal successors, (735), 541 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 735 transitions. [2024-10-11 03:48:36,276 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 735 transitions. Word has length 74 [2024-10-11 03:48:36,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:36,276 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 735 transitions. [2024-10-11 03:48:36,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 735 transitions. [2024-10-11 03:48:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 03:48:36,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:36,278 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] [2024-10-11 03:48:36,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 03:48:36,278 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:36,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:36,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1130154961, now seen corresponding path program 1 times [2024-10-11 03:48:36,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:36,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701893669] [2024-10-11 03:48:36,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:36,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:36,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:36,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701893669] [2024-10-11 03:48:36,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701893669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:36,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:36,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:48:36,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684292163] [2024-10-11 03:48:36,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:36,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:48:36,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:36,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:48:36,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:48:36,545 INFO L87 Difference]: Start difference. First operand 542 states and 735 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:37,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:37,034 INFO L93 Difference]: Finished difference Result 1044 states and 1397 transitions. [2024-10-11 03:48:37,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 03:48:37,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-10-11 03:48:37,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:37,037 INFO L225 Difference]: With dead ends: 1044 [2024-10-11 03:48:37,038 INFO L226 Difference]: Without dead ends: 770 [2024-10-11 03:48:37,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:48:37,039 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 1763 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:37,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 893 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:37,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-10-11 03:48:37,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 542. [2024-10-11 03:48:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3954372623574145) internal successors, (734), 541 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 734 transitions. [2024-10-11 03:48:37,048 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 734 transitions. Word has length 75 [2024-10-11 03:48:37,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:37,048 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 734 transitions. [2024-10-11 03:48:37,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:37,048 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 734 transitions. [2024-10-11 03:48:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 03:48:37,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:37,049 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] [2024-10-11 03:48:37,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 03:48:37,049 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:37,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:37,050 INFO L85 PathProgramCache]: Analyzing trace with hash 496363608, now seen corresponding path program 1 times [2024-10-11 03:48:37,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:37,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764870116] [2024-10-11 03:48:37,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:37,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:37,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:37,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764870116] [2024-10-11 03:48:37,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764870116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:37,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:37,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:37,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439926360] [2024-10-11 03:48:37,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:37,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:37,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:37,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:37,310 INFO L87 Difference]: Start difference. First operand 542 states and 734 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:37,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:37,835 INFO L93 Difference]: Finished difference Result 800 states and 1107 transitions. [2024-10-11 03:48:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:48:37,835 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-10-11 03:48:37,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:37,838 INFO L225 Difference]: With dead ends: 800 [2024-10-11 03:48:37,838 INFO L226 Difference]: Without dead ends: 610 [2024-10-11 03:48:37,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:37,839 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 1534 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:37,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 1258 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:37,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-10-11 03:48:37,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 542. [2024-10-11 03:48:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3935361216730038) internal successors, (733), 541 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 733 transitions. [2024-10-11 03:48:37,851 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 733 transitions. Word has length 75 [2024-10-11 03:48:37,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:37,851 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 733 transitions. [2024-10-11 03:48:37,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 733 transitions. [2024-10-11 03:48:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 03:48:37,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:37,852 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:48:37,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 03:48:37,853 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:37,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:37,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1385408418, now seen corresponding path program 1 times [2024-10-11 03:48:37,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:37,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881316792] [2024-10-11 03:48:37,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:37,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:38,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:38,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881316792] [2024-10-11 03:48:38,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881316792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:38,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:38,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:38,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037500273] [2024-10-11 03:48:38,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:38,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:38,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:38,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:38,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:38,068 INFO L87 Difference]: Start difference. First operand 542 states and 733 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:38,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:38,692 INFO L93 Difference]: Finished difference Result 1020 states and 1409 transitions. [2024-10-11 03:48:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:48:38,692 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-10-11 03:48:38,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:38,695 INFO L225 Difference]: With dead ends: 1020 [2024-10-11 03:48:38,695 INFO L226 Difference]: Without dead ends: 869 [2024-10-11 03:48:38,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-11 03:48:38,696 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 1764 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:38,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 1599 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:48:38,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-10-11 03:48:38,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 542. [2024-10-11 03:48:38,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.391634980988593) internal successors, (732), 541 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 732 transitions. [2024-10-11 03:48:38,705 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 732 transitions. Word has length 75 [2024-10-11 03:48:38,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:38,706 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 732 transitions. [2024-10-11 03:48:38,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 732 transitions. [2024-10-11 03:48:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 03:48:38,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:38,707 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] [2024-10-11 03:48:38,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 03:48:38,707 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:38,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:38,708 INFO L85 PathProgramCache]: Analyzing trace with hash -821108329, now seen corresponding path program 1 times [2024-10-11 03:48:38,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:38,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677939530] [2024-10-11 03:48:38,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:38,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:38,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:38,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677939530] [2024-10-11 03:48:38,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677939530] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:38,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:38,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:38,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171874265] [2024-10-11 03:48:38,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:38,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:38,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:38,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:38,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:38,935 INFO L87 Difference]: Start difference. First operand 542 states and 732 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:39,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:39,565 INFO L93 Difference]: Finished difference Result 1029 states and 1417 transitions. [2024-10-11 03:48:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:48:39,566 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-10-11 03:48:39,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:39,568 INFO L225 Difference]: With dead ends: 1029 [2024-10-11 03:48:39,568 INFO L226 Difference]: Without dead ends: 869 [2024-10-11 03:48:39,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:48:39,569 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 1032 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:39,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 1838 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:48:39,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-10-11 03:48:39,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 542. [2024-10-11 03:48:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3897338403041826) internal successors, (731), 541 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 731 transitions. [2024-10-11 03:48:39,579 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 731 transitions. Word has length 77 [2024-10-11 03:48:39,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:39,579 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 731 transitions. [2024-10-11 03:48:39,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 731 transitions. [2024-10-11 03:48:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 03:48:39,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:39,580 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:48:39,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 03:48:39,581 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:39,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:39,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1229953557, now seen corresponding path program 1 times [2024-10-11 03:48:39,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:39,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589144594] [2024-10-11 03:48:39,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:39,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:39,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:39,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589144594] [2024-10-11 03:48:39,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589144594] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:39,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:39,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:39,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153447410] [2024-10-11 03:48:39,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:39,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:39,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:39,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:39,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:39,834 INFO L87 Difference]: Start difference. First operand 542 states and 731 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:40,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:40,434 INFO L93 Difference]: Finished difference Result 983 states and 1348 transitions. [2024-10-11 03:48:40,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:48:40,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-10-11 03:48:40,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:40,437 INFO L225 Difference]: With dead ends: 983 [2024-10-11 03:48:40,437 INFO L226 Difference]: Without dead ends: 845 [2024-10-11 03:48:40,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:40,438 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 1912 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:40,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 1396 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:48:40,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-11 03:48:40,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 542. [2024-10-11 03:48:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3878326996197718) internal successors, (730), 541 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 730 transitions. [2024-10-11 03:48:40,448 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 730 transitions. Word has length 77 [2024-10-11 03:48:40,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:40,448 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 730 transitions. [2024-10-11 03:48:40,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 730 transitions. [2024-10-11 03:48:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 03:48:40,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:40,449 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] [2024-10-11 03:48:40,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 03:48:40,450 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:40,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:40,450 INFO L85 PathProgramCache]: Analyzing trace with hash -861851382, now seen corresponding path program 1 times [2024-10-11 03:48:40,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:40,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396378123] [2024-10-11 03:48:40,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:40,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:40,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:40,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:40,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396378123] [2024-10-11 03:48:40,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396378123] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:40,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:40,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 03:48:40,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327230346] [2024-10-11 03:48:40,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:40,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 03:48:40,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:40,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 03:48:40,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:48:40,879 INFO L87 Difference]: Start difference. First operand 542 states and 730 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:41,788 INFO L93 Difference]: Finished difference Result 1383 states and 1938 transitions. [2024-10-11 03:48:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 03:48:41,789 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-10-11 03:48:41,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:41,792 INFO L225 Difference]: With dead ends: 1383 [2024-10-11 03:48:41,792 INFO L226 Difference]: Without dead ends: 1245 [2024-10-11 03:48:41,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-11 03:48:41,793 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 4170 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4170 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:41,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4170 Valid, 1782 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:48:41,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2024-10-11 03:48:41,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 546. [2024-10-11 03:48:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3849056603773584) internal successors, (734), 545 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 734 transitions. [2024-10-11 03:48:41,816 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 734 transitions. Word has length 77 [2024-10-11 03:48:41,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:41,816 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 734 transitions. [2024-10-11 03:48:41,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 734 transitions. [2024-10-11 03:48:41,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 03:48:41,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:41,818 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] [2024-10-11 03:48:41,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 03:48:41,818 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:41,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:41,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1582421198, now seen corresponding path program 1 times [2024-10-11 03:48:41,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:41,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893939828] [2024-10-11 03:48:41,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:41,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:42,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:42,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893939828] [2024-10-11 03:48:42,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893939828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:42,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:42,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:42,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427928073] [2024-10-11 03:48:42,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:42,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:42,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:42,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:42,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:42,031 INFO L87 Difference]: Start difference. First operand 546 states and 734 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:42,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:42,564 INFO L93 Difference]: Finished difference Result 979 states and 1342 transitions. [2024-10-11 03:48:42,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:48:42,564 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-10-11 03:48:42,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:42,567 INFO L225 Difference]: With dead ends: 979 [2024-10-11 03:48:42,567 INFO L226 Difference]: Without dead ends: 845 [2024-10-11 03:48:42,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:42,570 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 1938 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1938 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:42,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1938 Valid, 1364 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:42,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-11 03:48:42,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 546. [2024-10-11 03:48:42,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3830188679245283) internal successors, (733), 545 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 733 transitions. [2024-10-11 03:48:42,579 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 733 transitions. Word has length 77 [2024-10-11 03:48:42,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:42,579 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 733 transitions. [2024-10-11 03:48:42,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:42,580 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 733 transitions. [2024-10-11 03:48:42,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 03:48:42,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:42,580 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:48:42,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 03:48:42,581 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:42,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:42,581 INFO L85 PathProgramCache]: Analyzing trace with hash 981154930, now seen corresponding path program 1 times [2024-10-11 03:48:42,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:42,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011706361] [2024-10-11 03:48:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:42,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:42,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011706361] [2024-10-11 03:48:42,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011706361] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:42,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:42,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:42,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118257242] [2024-10-11 03:48:42,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:42,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:42,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:42,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:42,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:42,783 INFO L87 Difference]: Start difference. First operand 546 states and 733 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:43,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:43,263 INFO L93 Difference]: Finished difference Result 870 states and 1194 transitions. [2024-10-11 03:48:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:48:43,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-10-11 03:48:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:43,265 INFO L225 Difference]: With dead ends: 870 [2024-10-11 03:48:43,265 INFO L226 Difference]: Without dead ends: 614 [2024-10-11 03:48:43,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-11 03:48:43,266 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 1517 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:43,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 1255 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:43,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-10-11 03:48:43,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 546. [2024-10-11 03:48:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.379245283018868) internal successors, (731), 545 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 731 transitions. [2024-10-11 03:48:43,274 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 731 transitions. Word has length 77 [2024-10-11 03:48:43,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:43,274 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 731 transitions. [2024-10-11 03:48:43,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 731 transitions. [2024-10-11 03:48:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 03:48:43,275 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:43,275 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] [2024-10-11 03:48:43,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 03:48:43,275 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:43,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:43,276 INFO L85 PathProgramCache]: Analyzing trace with hash -817405268, now seen corresponding path program 1 times [2024-10-11 03:48:43,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:43,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605006904] [2024-10-11 03:48:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:43,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:43,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605006904] [2024-10-11 03:48:43,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605006904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:43,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:43,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:43,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284336697] [2024-10-11 03:48:43,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:43,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:43,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:43,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:43,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:43,466 INFO L87 Difference]: Start difference. First operand 546 states and 731 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:43,953 INFO L93 Difference]: Finished difference Result 989 states and 1351 transitions. [2024-10-11 03:48:43,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:48:43,953 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-10-11 03:48:43,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:43,955 INFO L225 Difference]: With dead ends: 989 [2024-10-11 03:48:43,955 INFO L226 Difference]: Without dead ends: 845 [2024-10-11 03:48:43,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:43,957 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 1930 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:43,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1930 Valid, 1364 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:43,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-11 03:48:43,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 546. [2024-10-11 03:48:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3754716981132076) internal successors, (729), 545 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 729 transitions. [2024-10-11 03:48:43,964 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 729 transitions. Word has length 77 [2024-10-11 03:48:43,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:43,965 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 729 transitions. [2024-10-11 03:48:43,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:43,965 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 729 transitions. [2024-10-11 03:48:43,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 03:48:43,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:43,966 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] [2024-10-11 03:48:43,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 03:48:43,966 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:43,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:43,966 INFO L85 PathProgramCache]: Analyzing trace with hash -408560040, now seen corresponding path program 1 times [2024-10-11 03:48:43,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:43,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346609857] [2024-10-11 03:48:43,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:43,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:44,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:44,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346609857] [2024-10-11 03:48:44,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346609857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:44,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:44,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:44,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586705073] [2024-10-11 03:48:44,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:44,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:44,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:44,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:44,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:44,122 INFO L87 Difference]: Start difference. First operand 546 states and 729 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:44,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:44,734 INFO L93 Difference]: Finished difference Result 1043 states and 1426 transitions. [2024-10-11 03:48:44,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:48:44,738 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-10-11 03:48:44,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:44,740 INFO L225 Difference]: With dead ends: 1043 [2024-10-11 03:48:44,740 INFO L226 Difference]: Without dead ends: 873 [2024-10-11 03:48:44,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-11 03:48:44,741 INFO L432 NwaCegarLoop]: 439 mSDtfsCounter, 1537 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:44,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 1863 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:48:44,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-10-11 03:48:44,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 546. [2024-10-11 03:48:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3716981132075472) internal successors, (727), 545 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:44,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 727 transitions. [2024-10-11 03:48:44,749 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 727 transitions. Word has length 77 [2024-10-11 03:48:44,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:44,750 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 727 transitions. [2024-10-11 03:48:44,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 727 transitions. [2024-10-11 03:48:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 03:48:44,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:44,751 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] [2024-10-11 03:48:44,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 03:48:44,751 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:44,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:44,752 INFO L85 PathProgramCache]: Analyzing trace with hash -180251782, now seen corresponding path program 1 times [2024-10-11 03:48:44,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:44,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622138346] [2024-10-11 03:48:44,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:44,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:45,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:45,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622138346] [2024-10-11 03:48:45,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622138346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:45,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:45,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:45,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100878177] [2024-10-11 03:48:45,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:45,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:45,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:45,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:45,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:45,009 INFO L87 Difference]: Start difference. First operand 546 states and 727 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:45,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:45,520 INFO L93 Difference]: Finished difference Result 830 states and 1101 transitions. [2024-10-11 03:48:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:48:45,521 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-11 03:48:45,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:45,523 INFO L225 Difference]: With dead ends: 830 [2024-10-11 03:48:45,523 INFO L226 Difference]: Without dead ends: 825 [2024-10-11 03:48:45,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:45,524 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 1951 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:45,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 1250 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:45,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-10-11 03:48:45,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 546. [2024-10-11 03:48:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.369811320754717) internal successors, (726), 545 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 726 transitions. [2024-10-11 03:48:45,532 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 726 transitions. Word has length 78 [2024-10-11 03:48:45,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:45,533 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 726 transitions. [2024-10-11 03:48:45,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 726 transitions. [2024-10-11 03:48:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:45,534 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:45,534 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] [2024-10-11 03:48:45,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 03:48:45,534 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:45,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1887565433, now seen corresponding path program 1 times [2024-10-11 03:48:45,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:45,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428516627] [2024-10-11 03:48:45,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:45,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:45,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:45,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428516627] [2024-10-11 03:48:45,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428516627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:45,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:45,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:45,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150477593] [2024-10-11 03:48:45,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:45,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:45,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:45,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:45,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:45,735 INFO L87 Difference]: Start difference. First operand 546 states and 726 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:46,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:46,252 INFO L93 Difference]: Finished difference Result 953 states and 1287 transitions. [2024-10-11 03:48:46,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:48:46,253 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:46,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:46,255 INFO L225 Difference]: With dead ends: 953 [2024-10-11 03:48:46,255 INFO L226 Difference]: Without dead ends: 825 [2024-10-11 03:48:46,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:48:46,255 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 1560 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 1755 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:46,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 1755 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:46,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-10-11 03:48:46,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 546. [2024-10-11 03:48:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3679245283018868) internal successors, (725), 545 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:46,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 725 transitions. [2024-10-11 03:48:46,262 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 725 transitions. Word has length 79 [2024-10-11 03:48:46,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:46,262 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 725 transitions. [2024-10-11 03:48:46,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:46,262 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 725 transitions. [2024-10-11 03:48:46,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:46,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:46,263 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] [2024-10-11 03:48:46,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 03:48:46,264 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:46,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:46,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1141656959, now seen corresponding path program 1 times [2024-10-11 03:48:46,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:46,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976679502] [2024-10-11 03:48:46,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:46,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:46,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:46,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976679502] [2024-10-11 03:48:46,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976679502] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:46,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:46,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:46,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460540605] [2024-10-11 03:48:46,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:46,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:46,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:46,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:46,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:46,424 INFO L87 Difference]: Start difference. First operand 546 states and 725 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:46,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:46,935 INFO L93 Difference]: Finished difference Result 956 states and 1289 transitions. [2024-10-11 03:48:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:48:46,935 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:46,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:46,937 INFO L225 Difference]: With dead ends: 956 [2024-10-11 03:48:46,937 INFO L226 Difference]: Without dead ends: 825 [2024-10-11 03:48:46,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:46,938 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 1943 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:46,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 1238 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:46,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-10-11 03:48:46,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 546. [2024-10-11 03:48:46,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3660377358490565) internal successors, (724), 545 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:46,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 724 transitions. [2024-10-11 03:48:46,946 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 724 transitions. Word has length 79 [2024-10-11 03:48:46,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:46,946 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 724 transitions. [2024-10-11 03:48:46,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:46,947 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 724 transitions. [2024-10-11 03:48:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:46,947 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:46,947 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] [2024-10-11 03:48:46,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 03:48:46,948 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:46,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:46,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1896793534, now seen corresponding path program 1 times [2024-10-11 03:48:46,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:46,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459814486] [2024-10-11 03:48:46,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:46,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:47,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:47,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:47,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459814486] [2024-10-11 03:48:47,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459814486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:47,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:47,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:47,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628516410] [2024-10-11 03:48:47,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:47,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:47,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:47,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:47,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:47,179 INFO L87 Difference]: Start difference. First operand 546 states and 724 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:47,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:47,652 INFO L93 Difference]: Finished difference Result 956 states and 1287 transitions. [2024-10-11 03:48:47,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:48:47,653 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:47,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:47,655 INFO L225 Difference]: With dead ends: 956 [2024-10-11 03:48:47,655 INFO L226 Difference]: Without dead ends: 825 [2024-10-11 03:48:47,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:48:47,656 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 1554 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:47,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 1557 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:47,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-10-11 03:48:47,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 546. [2024-10-11 03:48:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3641509433962264) internal successors, (723), 545 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 723 transitions. [2024-10-11 03:48:47,664 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 723 transitions. Word has length 79 [2024-10-11 03:48:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:47,664 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 723 transitions. [2024-10-11 03:48:47,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 723 transitions. [2024-10-11 03:48:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:47,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:47,665 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] [2024-10-11 03:48:47,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 03:48:47,665 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:47,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash -485976660, now seen corresponding path program 1 times [2024-10-11 03:48:47,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:47,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993395589] [2024-10-11 03:48:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:47,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:48,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:48,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993395589] [2024-10-11 03:48:48,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993395589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:48,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:48,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 03:48:48,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685314710] [2024-10-11 03:48:48,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:48,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 03:48:48,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:48,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 03:48:48,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:48:48,009 INFO L87 Difference]: Start difference. First operand 546 states and 723 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:48,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:48,910 INFO L93 Difference]: Finished difference Result 1388 states and 1929 transitions. [2024-10-11 03:48:48,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 03:48:48,910 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:48,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:48,913 INFO L225 Difference]: With dead ends: 1388 [2024-10-11 03:48:48,913 INFO L226 Difference]: Without dead ends: 1245 [2024-10-11 03:48:48,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-11 03:48:48,914 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 3488 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3488 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:48,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3488 Valid, 1750 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:48:48,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2024-10-11 03:48:48,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 550. [2024-10-11 03:48:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3614232209737829) internal successors, (727), 549 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 727 transitions. [2024-10-11 03:48:48,922 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 727 transitions. Word has length 79 [2024-10-11 03:48:48,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:48,922 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 727 transitions. [2024-10-11 03:48:48,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 727 transitions. [2024-10-11 03:48:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:48,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:48,923 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] [2024-10-11 03:48:48,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 03:48:48,923 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:48,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:48,924 INFO L85 PathProgramCache]: Analyzing trace with hash -328806928, now seen corresponding path program 1 times [2024-10-11 03:48:48,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:48,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86946641] [2024-10-11 03:48:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:48,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:49,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:49,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86946641] [2024-10-11 03:48:49,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86946641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:49,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:49,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:49,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528034415] [2024-10-11 03:48:49,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:49,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:49,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:49,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:49,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:49,108 INFO L87 Difference]: Start difference. First operand 550 states and 727 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:49,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:49,649 INFO L93 Difference]: Finished difference Result 957 states and 1287 transitions. [2024-10-11 03:48:49,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:48:49,649 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:49,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:49,651 INFO L225 Difference]: With dead ends: 957 [2024-10-11 03:48:49,651 INFO L226 Difference]: Without dead ends: 829 [2024-10-11 03:48:49,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:48:49,652 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 1551 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:49,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 1774 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:48:49,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-10-11 03:48:49,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 550. [2024-10-11 03:48:49,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3595505617977528) internal successors, (726), 549 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 726 transitions. [2024-10-11 03:48:49,658 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 726 transitions. Word has length 79 [2024-10-11 03:48:49,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:49,659 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 726 transitions. [2024-10-11 03:48:49,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 726 transitions. [2024-10-11 03:48:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:49,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:49,660 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] [2024-10-11 03:48:49,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 03:48:49,660 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:49,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash 319887148, now seen corresponding path program 1 times [2024-10-11 03:48:49,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:49,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064426640] [2024-10-11 03:48:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:49,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:49,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:49,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064426640] [2024-10-11 03:48:49,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064426640] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:49,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:49,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:49,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685158849] [2024-10-11 03:48:49,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:49,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:49,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:49,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:49,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:49,835 INFO L87 Difference]: Start difference. First operand 550 states and 726 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:50,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:50,282 INFO L93 Difference]: Finished difference Result 957 states and 1286 transitions. [2024-10-11 03:48:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:48:50,282 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:50,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:50,284 INFO L225 Difference]: With dead ends: 957 [2024-10-11 03:48:50,284 INFO L226 Difference]: Without dead ends: 829 [2024-10-11 03:48:50,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:50,285 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 1935 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:50,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 1238 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 03:48:50,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-10-11 03:48:50,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 550. [2024-10-11 03:48:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.357677902621723) internal successors, (725), 549 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 725 transitions. [2024-10-11 03:48:50,292 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 725 transitions. Word has length 79 [2024-10-11 03:48:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:50,293 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 725 transitions. [2024-10-11 03:48:50,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:50,293 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 725 transitions. [2024-10-11 03:48:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:50,294 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:50,294 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] [2024-10-11 03:48:50,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 03:48:50,294 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:50,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:50,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1334706002, now seen corresponding path program 1 times [2024-10-11 03:48:50,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:50,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993207260] [2024-10-11 03:48:50,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:50,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:50,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:50,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993207260] [2024-10-11 03:48:50,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993207260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:50,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:50,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:50,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288821197] [2024-10-11 03:48:50,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:50,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:50,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:50,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:50,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:50,460 INFO L87 Difference]: Start difference. First operand 550 states and 725 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:50,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:50,866 INFO L93 Difference]: Finished difference Result 955 states and 1282 transitions. [2024-10-11 03:48:50,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:48:50,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:50,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:50,868 INFO L225 Difference]: With dead ends: 955 [2024-10-11 03:48:50,868 INFO L226 Difference]: Without dead ends: 829 [2024-10-11 03:48:50,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:48:50,869 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 1081 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:50,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 1410 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 03:48:50,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-10-11 03:48:50,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 550. [2024-10-11 03:48:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3558052434456929) internal successors, (724), 549 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 724 transitions. [2024-10-11 03:48:50,875 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 724 transitions. Word has length 79 [2024-10-11 03:48:50,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:50,876 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 724 transitions. [2024-10-11 03:48:50,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 724 transitions. [2024-10-11 03:48:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:50,877 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:50,877 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] [2024-10-11 03:48:50,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 03:48:50,877 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:50,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:50,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1154349460, now seen corresponding path program 1 times [2024-10-11 03:48:50,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:50,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657980274] [2024-10-11 03:48:50,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:50,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:51,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:51,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657980274] [2024-10-11 03:48:51,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657980274] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:51,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:51,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:51,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196687230] [2024-10-11 03:48:51,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:51,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:51,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:51,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:51,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:51,030 INFO L87 Difference]: Start difference. First operand 550 states and 724 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:51,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:51,455 INFO L93 Difference]: Finished difference Result 995 states and 1343 transitions. [2024-10-11 03:48:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:48:51,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:51,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:51,458 INFO L225 Difference]: With dead ends: 995 [2024-10-11 03:48:51,458 INFO L226 Difference]: Without dead ends: 845 [2024-10-11 03:48:51,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:51,459 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 1832 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:51,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1832 Valid, 1456 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 03:48:51,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-11 03:48:51,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 550. [2024-10-11 03:48:51,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.352059925093633) internal successors, (722), 549 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 722 transitions. [2024-10-11 03:48:51,465 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 722 transitions. Word has length 79 [2024-10-11 03:48:51,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:51,465 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 722 transitions. [2024-10-11 03:48:51,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:51,465 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 722 transitions. [2024-10-11 03:48:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:51,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:51,466 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] [2024-10-11 03:48:51,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 03:48:51,466 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:51,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:51,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1228420734, now seen corresponding path program 1 times [2024-10-11 03:48:51,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:51,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688606749] [2024-10-11 03:48:51,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:51,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:51,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:51,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688606749] [2024-10-11 03:48:51,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688606749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:51,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:51,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:51,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519510141] [2024-10-11 03:48:51,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:51,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:51,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:51,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:51,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:51,696 INFO L87 Difference]: Start difference. First operand 550 states and 722 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:52,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:52,227 INFO L93 Difference]: Finished difference Result 963 states and 1288 transitions. [2024-10-11 03:48:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:48:52,227 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:52,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:52,229 INFO L225 Difference]: With dead ends: 963 [2024-10-11 03:48:52,229 INFO L226 Difference]: Without dead ends: 829 [2024-10-11 03:48:52,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:48:52,230 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 1537 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1612 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:52,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 1612 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:52,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-10-11 03:48:52,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 550. [2024-10-11 03:48:52,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.348314606741573) internal successors, (720), 549 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 720 transitions. [2024-10-11 03:48:52,236 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 720 transitions. Word has length 79 [2024-10-11 03:48:52,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:52,236 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 720 transitions. [2024-10-11 03:48:52,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 720 transitions. [2024-10-11 03:48:52,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:52,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:52,237 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] [2024-10-11 03:48:52,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 03:48:52,238 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:52,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:52,238 INFO L85 PathProgramCache]: Analyzing trace with hash -327266232, now seen corresponding path program 1 times [2024-10-11 03:48:52,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:52,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071967635] [2024-10-11 03:48:52,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:52,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:52,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:52,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071967635] [2024-10-11 03:48:52,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071967635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:52,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:52,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:52,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548592629] [2024-10-11 03:48:52,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:52,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:52,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:52,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:52,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:52,400 INFO L87 Difference]: Start difference. First operand 550 states and 720 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:52,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:52,823 INFO L93 Difference]: Finished difference Result 1071 states and 1439 transitions. [2024-10-11 03:48:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:48:52,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:52,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:52,826 INFO L225 Difference]: With dead ends: 1071 [2024-10-11 03:48:52,826 INFO L226 Difference]: Without dead ends: 881 [2024-10-11 03:48:52,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:52,827 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 1099 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:52,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1678 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 03:48:52,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-10-11 03:48:52,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 550. [2024-10-11 03:48:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.344569288389513) internal successors, (718), 549 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 718 transitions. [2024-10-11 03:48:52,833 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 718 transitions. Word has length 79 [2024-10-11 03:48:52,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:52,833 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 718 transitions. [2024-10-11 03:48:52,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 718 transitions. [2024-10-11 03:48:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:52,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:52,834 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] [2024-10-11 03:48:52,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-11 03:48:52,834 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:52,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:52,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1076267745, now seen corresponding path program 1 times [2024-10-11 03:48:52,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:52,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460504149] [2024-10-11 03:48:52,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:52,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:53,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:53,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460504149] [2024-10-11 03:48:53,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460504149] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:53,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:53,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:53,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677779832] [2024-10-11 03:48:53,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:53,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:53,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:53,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:53,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:53,020 INFO L87 Difference]: Start difference. First operand 550 states and 718 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:53,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:53,453 INFO L93 Difference]: Finished difference Result 834 states and 1089 transitions. [2024-10-11 03:48:53,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:48:53,453 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:53,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:53,455 INFO L225 Difference]: With dead ends: 834 [2024-10-11 03:48:53,455 INFO L226 Difference]: Without dead ends: 829 [2024-10-11 03:48:53,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:48:53,456 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 1530 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 1612 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:53,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 1612 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:53,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-10-11 03:48:53,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 550. [2024-10-11 03:48:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3408239700374531) internal successors, (716), 549 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 716 transitions. [2024-10-11 03:48:53,462 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 716 transitions. Word has length 79 [2024-10-11 03:48:53,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:53,462 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 716 transitions. [2024-10-11 03:48:53,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 716 transitions. [2024-10-11 03:48:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:53,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:53,463 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] [2024-10-11 03:48:53,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 03:48:53,463 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:53,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:53,464 INFO L85 PathProgramCache]: Analyzing trace with hash 835929357, now seen corresponding path program 1 times [2024-10-11 03:48:53,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:53,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411858456] [2024-10-11 03:48:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:53,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:53,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:53,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411858456] [2024-10-11 03:48:53,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411858456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:53,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:53,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:53,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175877522] [2024-10-11 03:48:53,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:53,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:53,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:53,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:53,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:53,614 INFO L87 Difference]: Start difference. First operand 550 states and 716 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:54,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:54,100 INFO L93 Difference]: Finished difference Result 862 states and 1131 transitions. [2024-10-11 03:48:54,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:48:54,100 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:54,102 INFO L225 Difference]: With dead ends: 862 [2024-10-11 03:48:54,102 INFO L226 Difference]: Without dead ends: 845 [2024-10-11 03:48:54,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:54,103 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 1722 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1722 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:54,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1722 Valid, 1565 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:54,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-11 03:48:54,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 550. [2024-10-11 03:48:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3370786516853932) internal successors, (714), 549 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 714 transitions. [2024-10-11 03:48:54,108 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 714 transitions. Word has length 79 [2024-10-11 03:48:54,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:54,109 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 714 transitions. [2024-10-11 03:48:54,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 714 transitions. [2024-10-11 03:48:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:54,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:54,109 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] [2024-10-11 03:48:54,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 03:48:54,110 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:54,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:54,110 INFO L85 PathProgramCache]: Analyzing trace with hash -565396271, now seen corresponding path program 1 times [2024-10-11 03:48:54,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:54,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865240520] [2024-10-11 03:48:54,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:54,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:54,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:54,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865240520] [2024-10-11 03:48:54,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865240520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:54,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:54,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:54,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235125623] [2024-10-11 03:48:54,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:54,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:54,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:54,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:54,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:54,297 INFO L87 Difference]: Start difference. First operand 550 states and 714 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:54,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:54,830 INFO L93 Difference]: Finished difference Result 959 states and 1275 transitions. [2024-10-11 03:48:54,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:48:54,831 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:54,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:54,833 INFO L225 Difference]: With dead ends: 959 [2024-10-11 03:48:54,833 INFO L226 Difference]: Without dead ends: 829 [2024-10-11 03:48:54,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:48:54,836 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 1523 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:54,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 1665 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-10-11 03:48:54,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 550. [2024-10-11 03:48:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3333333333333333) internal successors, (712), 549 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 712 transitions. [2024-10-11 03:48:54,842 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 712 transitions. Word has length 79 [2024-10-11 03:48:54,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:54,843 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 712 transitions. [2024-10-11 03:48:54,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 712 transitions. [2024-10-11 03:48:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 03:48:54,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:54,844 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] [2024-10-11 03:48:54,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 03:48:54,844 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:54,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:54,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1831404320, now seen corresponding path program 1 times [2024-10-11 03:48:54,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:54,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753334284] [2024-10-11 03:48:54,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:54,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:55,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:55,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:55,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753334284] [2024-10-11 03:48:55,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753334284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:55,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:55,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 03:48:55,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110772885] [2024-10-11 03:48:55,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:55,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 03:48:55,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:55,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 03:48:55,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:48:55,137 INFO L87 Difference]: Start difference. First operand 550 states and 712 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:55,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:55,843 INFO L93 Difference]: Finished difference Result 1154 states and 1555 transitions. [2024-10-11 03:48:55,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 03:48:55,843 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-10-11 03:48:55,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:55,846 INFO L225 Difference]: With dead ends: 1154 [2024-10-11 03:48:55,846 INFO L226 Difference]: Without dead ends: 1149 [2024-10-11 03:48:55,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-11 03:48:55,847 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 4042 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4042 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:55,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4042 Valid, 1387 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:48:55,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-10-11 03:48:55,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 558. [2024-10-11 03:48:55,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 542 states have (on average 1.3284132841328413) internal successors, (720), 557 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 720 transitions. [2024-10-11 03:48:55,853 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 720 transitions. Word has length 79 [2024-10-11 03:48:55,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:55,853 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 720 transitions. [2024-10-11 03:48:55,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 720 transitions. [2024-10-11 03:48:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 03:48:55,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:55,855 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] [2024-10-11 03:48:55,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-11 03:48:55,855 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:55,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash -134038314, now seen corresponding path program 1 times [2024-10-11 03:48:55,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:55,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38011095] [2024-10-11 03:48:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:55,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:56,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:56,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38011095] [2024-10-11 03:48:56,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38011095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:56,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:56,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:56,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422517642] [2024-10-11 03:48:56,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:56,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:56,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:56,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:56,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:56,035 INFO L87 Difference]: Start difference. First operand 558 states and 720 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:56,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:56,499 INFO L93 Difference]: Finished difference Result 996 states and 1324 transitions. [2024-10-11 03:48:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:48:56,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-11 03:48:56,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:56,502 INFO L225 Difference]: With dead ends: 996 [2024-10-11 03:48:56,502 INFO L226 Difference]: Without dead ends: 853 [2024-10-11 03:48:56,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:56,503 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 1110 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:56,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 1617 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:56,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-10-11 03:48:56,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 554. [2024-10-11 03:48:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 538 states have (on average 1.328996282527881) internal successors, (715), 553 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 715 transitions. [2024-10-11 03:48:56,509 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 715 transitions. Word has length 80 [2024-10-11 03:48:56,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:56,509 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 715 transitions. [2024-10-11 03:48:56,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:56,509 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 715 transitions. [2024-10-11 03:48:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 03:48:56,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:56,510 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] [2024-10-11 03:48:56,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-11 03:48:56,510 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:56,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:56,511 INFO L85 PathProgramCache]: Analyzing trace with hash -234721971, now seen corresponding path program 1 times [2024-10-11 03:48:56,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:56,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794313238] [2024-10-11 03:48:56,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:56,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:56,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:56,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794313238] [2024-10-11 03:48:56,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794313238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:56,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:56,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:56,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211646274] [2024-10-11 03:48:56,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:56,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:56,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:56,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:56,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:56,686 INFO L87 Difference]: Start difference. First operand 554 states and 715 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:57,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:57,201 INFO L93 Difference]: Finished difference Result 991 states and 1317 transitions. [2024-10-11 03:48:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:48:57,201 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-11 03:48:57,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:57,204 INFO L225 Difference]: With dead ends: 991 [2024-10-11 03:48:57,204 INFO L226 Difference]: Without dead ends: 853 [2024-10-11 03:48:57,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-10-11 03:48:57,205 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 1651 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:57,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 1649 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:57,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-10-11 03:48:57,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 550. [2024-10-11 03:48:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3295880149812733) internal successors, (710), 549 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 710 transitions. [2024-10-11 03:48:57,210 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 710 transitions. Word has length 80 [2024-10-11 03:48:57,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:57,211 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 710 transitions. [2024-10-11 03:48:57,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:57,211 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 710 transitions. [2024-10-11 03:48:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 03:48:57,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:57,212 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] [2024-10-11 03:48:57,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-11 03:48:57,212 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:57,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:57,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1205126979, now seen corresponding path program 1 times [2024-10-11 03:48:57,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:57,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420042638] [2024-10-11 03:48:57,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:57,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:57,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:57,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420042638] [2024-10-11 03:48:57,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420042638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:57,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:57,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:48:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983251084] [2024-10-11 03:48:57,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:57,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:48:57,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:57,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:48:57,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:48:57,411 INFO L87 Difference]: Start difference. First operand 550 states and 710 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:57,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:57,905 INFO L93 Difference]: Finished difference Result 826 states and 1071 transitions. [2024-10-11 03:48:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:48:57,906 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-11 03:48:57,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:57,908 INFO L225 Difference]: With dead ends: 826 [2024-10-11 03:48:57,908 INFO L226 Difference]: Without dead ends: 821 [2024-10-11 03:48:57,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:48:57,908 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 1174 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:57,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 1426 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:48:57,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-11 03:48:57,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 542. [2024-10-11 03:48:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3307984790874525) internal successors, (700), 541 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 700 transitions. [2024-10-11 03:48:57,914 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 700 transitions. Word has length 80 [2024-10-11 03:48:57,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:57,915 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 700 transitions. [2024-10-11 03:48:57,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 700 transitions. [2024-10-11 03:48:57,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 03:48:57,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:57,915 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] [2024-10-11 03:48:57,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-11 03:48:57,916 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:57,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:57,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1961223322, now seen corresponding path program 1 times [2024-10-11 03:48:57,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:57,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475422740] [2024-10-11 03:48:57,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:57,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:58,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:58,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475422740] [2024-10-11 03:48:58,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475422740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:58,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:58,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 03:48:58,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889078154] [2024-10-11 03:48:58,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:58,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 03:48:58,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:58,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 03:48:58,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 03:48:58,272 INFO L87 Difference]: Start difference. First operand 542 states and 700 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:58,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:58,569 INFO L93 Difference]: Finished difference Result 860 states and 1142 transitions. [2024-10-11 03:48:58,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 03:48:58,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-11 03:48:58,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:58,571 INFO L225 Difference]: With dead ends: 860 [2024-10-11 03:48:58,571 INFO L226 Difference]: Without dead ends: 617 [2024-10-11 03:48:58,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-10-11 03:48:58,572 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 1569 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:58,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1569 Valid, 1148 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:48:58,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-10-11 03:48:58,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 425. [2024-10-11 03:48:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 414 states have (on average 1.3357487922705313) internal successors, (553), 424 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 553 transitions. [2024-10-11 03:48:58,576 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 553 transitions. Word has length 81 [2024-10-11 03:48:58,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:58,576 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 553 transitions. [2024-10-11 03:48:58,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 553 transitions. [2024-10-11 03:48:58,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 03:48:58,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:58,577 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] [2024-10-11 03:48:58,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-11 03:48:58,577 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:58,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:58,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1832785083, now seen corresponding path program 1 times [2024-10-11 03:48:58,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:58,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851242914] [2024-10-11 03:48:58,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:58,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:58,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:58,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851242914] [2024-10-11 03:48:58,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851242914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:58,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:58,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 03:48:58,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403490091] [2024-10-11 03:48:58,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:58,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 03:48:58,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:58,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 03:48:58,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:48:58,987 INFO L87 Difference]: Start difference. First operand 425 states and 553 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:59,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:48:59,465 INFO L93 Difference]: Finished difference Result 767 states and 1037 transitions. [2024-10-11 03:48:59,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 03:48:59,465 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-11 03:48:59,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:48:59,467 INFO L225 Difference]: With dead ends: 767 [2024-10-11 03:48:59,467 INFO L226 Difference]: Without dead ends: 635 [2024-10-11 03:48:59,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-11 03:48:59,467 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 1816 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:48:59,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 1616 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:48:59,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-10-11 03:48:59,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 413. [2024-10-11 03:48:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 403 states have (on average 1.3300248138957815) internal successors, (536), 412 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 536 transitions. [2024-10-11 03:48:59,471 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 536 transitions. Word has length 81 [2024-10-11 03:48:59,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:48:59,472 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 536 transitions. [2024-10-11 03:48:59,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:48:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 536 transitions. [2024-10-11 03:48:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 03:48:59,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:48:59,472 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] [2024-10-11 03:48:59,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-11 03:48:59,472 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:48:59,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:48:59,473 INFO L85 PathProgramCache]: Analyzing trace with hash 52267935, now seen corresponding path program 1 times [2024-10-11 03:48:59,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:48:59,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325008616] [2024-10-11 03:48:59,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:48:59,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:48:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:48:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:48:59,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:48:59,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325008616] [2024-10-11 03:48:59,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325008616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:48:59,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:48:59,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 03:48:59,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535872832] [2024-10-11 03:48:59,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:48:59,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 03:48:59,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:48:59,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 03:48:59,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:48:59,806 INFO L87 Difference]: Start difference. First operand 413 states and 536 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:00,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:00,215 INFO L93 Difference]: Finished difference Result 743 states and 1015 transitions. [2024-10-11 03:49:00,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 03:49:00,215 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-11 03:49:00,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:00,216 INFO L225 Difference]: With dead ends: 743 [2024-10-11 03:49:00,216 INFO L226 Difference]: Without dead ends: 575 [2024-10-11 03:49:00,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-11 03:49:00,217 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 1399 mSDsluCounter, 2066 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:00,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 2442 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:49:00,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-10-11 03:49:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 371. [2024-10-11 03:49:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 363 states have (on average 1.3278236914600552) internal successors, (482), 370 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 482 transitions. [2024-10-11 03:49:00,221 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 482 transitions. Word has length 81 [2024-10-11 03:49:00,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:00,221 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 482 transitions. [2024-10-11 03:49:00,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 482 transitions. [2024-10-11 03:49:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 03:49:00,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:00,222 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] [2024-10-11 03:49:00,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-11 03:49:00,222 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:00,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:00,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1340490679, now seen corresponding path program 1 times [2024-10-11 03:49:00,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:00,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008344327] [2024-10-11 03:49:00,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:00,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:01,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:01,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008344327] [2024-10-11 03:49:01,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008344327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:01,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:01,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2024-10-11 03:49:01,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5544841] [2024-10-11 03:49:01,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:01,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 03:49:01,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:01,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 03:49:01,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2024-10-11 03:49:01,509 INFO L87 Difference]: Start difference. First operand 371 states and 482 transitions. Second operand has 29 states, 29 states have (on average 2.793103448275862) internal successors, (81), 28 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:03,309 INFO L93 Difference]: Finished difference Result 713 states and 968 transitions. [2024-10-11 03:49:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-11 03:49:03,309 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.793103448275862) internal successors, (81), 28 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-11 03:49:03,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:03,310 INFO L225 Difference]: With dead ends: 713 [2024-10-11 03:49:03,310 INFO L226 Difference]: Without dead ends: 583 [2024-10-11 03:49:03,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=404, Invalid=2248, Unknown=0, NotChecked=0, Total=2652 [2024-10-11 03:49:03,311 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1018 mSDsluCounter, 3851 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 4090 SdHoareTripleChecker+Invalid, 2493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:03,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 4090 Invalid, 2493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2492 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 03:49:03,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-10-11 03:49:03,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 386. [2024-10-11 03:49:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 378 states have (on average 1.3306878306878307) internal successors, (503), 385 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 503 transitions. [2024-10-11 03:49:03,315 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 503 transitions. Word has length 81 [2024-10-11 03:49:03,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:03,315 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 503 transitions. [2024-10-11 03:49:03,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.793103448275862) internal successors, (81), 28 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 503 transitions. [2024-10-11 03:49:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 03:49:03,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:03,316 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] [2024-10-11 03:49:03,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-11 03:49:03,316 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:03,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:03,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1064681092, now seen corresponding path program 1 times [2024-10-11 03:49:03,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:03,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548456236] [2024-10-11 03:49:03,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:03,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:04,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:04,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548456236] [2024-10-11 03:49:04,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548456236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:04,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:04,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-10-11 03:49:04,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191296667] [2024-10-11 03:49:04,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:04,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 03:49:04,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:04,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 03:49:04,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2024-10-11 03:49:04,261 INFO L87 Difference]: Start difference. First operand 386 states and 503 transitions. Second operand has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 21 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:05,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:05,458 INFO L93 Difference]: Finished difference Result 757 states and 1028 transitions. [2024-10-11 03:49:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 03:49:05,459 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 21 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-11 03:49:05,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:05,460 INFO L225 Difference]: With dead ends: 757 [2024-10-11 03:49:05,460 INFO L226 Difference]: Without dead ends: 597 [2024-10-11 03:49:05,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=274, Invalid=1286, Unknown=0, NotChecked=0, Total=1560 [2024-10-11 03:49:05,461 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 804 mSDsluCounter, 3749 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 4045 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:05,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 4045 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:49:05,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-10-11 03:49:05,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 392. [2024-10-11 03:49:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 384 states have (on average 1.3255208333333333) internal successors, (509), 391 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 509 transitions. [2024-10-11 03:49:05,465 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 509 transitions. Word has length 81 [2024-10-11 03:49:05,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:05,465 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 509 transitions. [2024-10-11 03:49:05,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 21 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 509 transitions. [2024-10-11 03:49:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 03:49:05,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:05,466 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] [2024-10-11 03:49:05,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-11 03:49:05,467 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:05,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:05,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1002840708, now seen corresponding path program 1 times [2024-10-11 03:49:05,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:05,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816545946] [2024-10-11 03:49:05,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:05,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:05,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:05,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:05,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816545946] [2024-10-11 03:49:05,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816545946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:05,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:05,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 03:49:05,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454951957] [2024-10-11 03:49:05,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:05,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 03:49:05,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:05,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 03:49:05,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:49:05,797 INFO L87 Difference]: Start difference. First operand 392 states and 509 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:06,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:06,151 INFO L93 Difference]: Finished difference Result 717 states and 980 transitions. [2024-10-11 03:49:06,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:49:06,152 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-11 03:49:06,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:06,152 INFO L225 Difference]: With dead ends: 717 [2024-10-11 03:49:06,152 INFO L226 Difference]: Without dead ends: 549 [2024-10-11 03:49:06,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-11 03:49:06,153 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 1224 mSDsluCounter, 1640 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 2000 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:06,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 2000 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:49:06,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-10-11 03:49:06,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 350. [2024-10-11 03:49:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 343 states have (on average 1.3236151603498543) internal successors, (454), 349 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 454 transitions. [2024-10-11 03:49:06,157 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 454 transitions. Word has length 81 [2024-10-11 03:49:06,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:06,157 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 454 transitions. [2024-10-11 03:49:06,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:06,157 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 454 transitions. [2024-10-11 03:49:06,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 03:49:06,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:06,158 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] [2024-10-11 03:49:06,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-11 03:49:06,158 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:06,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:06,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1580070937, now seen corresponding path program 1 times [2024-10-11 03:49:06,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:06,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633291126] [2024-10-11 03:49:06,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:06,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:06,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:06,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:06,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633291126] [2024-10-11 03:49:06,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633291126] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:06,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:06,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 03:49:06,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285521259] [2024-10-11 03:49:06,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:06,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 03:49:06,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:06,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 03:49:06,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:49:06,752 INFO L87 Difference]: Start difference. First operand 350 states and 454 transitions. Second operand has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 14 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:07,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:07,750 INFO L93 Difference]: Finished difference Result 828 states and 1126 transitions. [2024-10-11 03:49:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 03:49:07,750 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 14 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-11 03:49:07,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:07,751 INFO L225 Difference]: With dead ends: 828 [2024-10-11 03:49:07,751 INFO L226 Difference]: Without dead ends: 698 [2024-10-11 03:49:07,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=184, Invalid=572, Unknown=0, NotChecked=0, Total=756 [2024-10-11 03:49:07,752 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 1974 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 2039 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:07,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 2039 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:49:07,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-10-11 03:49:07,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 344. [2024-10-11 03:49:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 337 states have (on average 1.317507418397626) internal successors, (444), 343 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 444 transitions. [2024-10-11 03:49:07,755 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 444 transitions. Word has length 82 [2024-10-11 03:49:07,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:07,756 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 444 transitions. [2024-10-11 03:49:07,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.466666666666667) internal successors, (82), 14 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 444 transitions. [2024-10-11 03:49:07,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 03:49:07,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:07,756 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] [2024-10-11 03:49:07,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-11 03:49:07,756 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:07,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:07,757 INFO L85 PathProgramCache]: Analyzing trace with hash -814304105, now seen corresponding path program 1 times [2024-10-11 03:49:07,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:07,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168384246] [2024-10-11 03:49:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:08,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:08,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168384246] [2024-10-11 03:49:08,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168384246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:08,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:08,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-10-11 03:49:08,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338387173] [2024-10-11 03:49:08,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:08,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 03:49:08,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:08,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 03:49:08,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2024-10-11 03:49:08,716 INFO L87 Difference]: Start difference. First operand 344 states and 444 transitions. Second operand has 21 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 20 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:09,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:09,877 INFO L93 Difference]: Finished difference Result 501 states and 673 transitions. [2024-10-11 03:49:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 03:49:09,877 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 20 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-11 03:49:09,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:09,878 INFO L225 Difference]: With dead ends: 501 [2024-10-11 03:49:09,878 INFO L226 Difference]: Without dead ends: 371 [2024-10-11 03:49:09,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=221, Invalid=1111, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 03:49:09,879 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 521 mSDsluCounter, 2836 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 3023 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:09,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 3023 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:49:09,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-10-11 03:49:09,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 345. [2024-10-11 03:49:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 338 states have (on average 1.316568047337278) internal successors, (445), 344 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 445 transitions. [2024-10-11 03:49:09,882 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 445 transitions. Word has length 82 [2024-10-11 03:49:09,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:09,882 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 445 transitions. [2024-10-11 03:49:09,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 20 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 445 transitions. [2024-10-11 03:49:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 03:49:09,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:09,883 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] [2024-10-11 03:49:09,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-11 03:49:09,883 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:09,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:09,883 INFO L85 PathProgramCache]: Analyzing trace with hash -678951119, now seen corresponding path program 1 times [2024-10-11 03:49:09,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:09,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787235780] [2024-10-11 03:49:09,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:09,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:10,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:10,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787235780] [2024-10-11 03:49:10,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787235780] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:10,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:10,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:49:10,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472665556] [2024-10-11 03:49:10,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:10,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:49:10,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:10,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:49:10,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:49:10,048 INFO L87 Difference]: Start difference. First operand 345 states and 445 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:10,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:10,302 INFO L93 Difference]: Finished difference Result 532 states and 701 transitions. [2024-10-11 03:49:10,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:49:10,302 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-11 03:49:10,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:10,303 INFO L225 Difference]: With dead ends: 532 [2024-10-11 03:49:10,303 INFO L226 Difference]: Without dead ends: 525 [2024-10-11 03:49:10,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:49:10,304 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 799 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:10,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 817 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:49:10,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-10-11 03:49:10,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 345. [2024-10-11 03:49:10,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 338 states have (on average 1.3106508875739644) internal successors, (443), 344 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 443 transitions. [2024-10-11 03:49:10,307 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 443 transitions. Word has length 82 [2024-10-11 03:49:10,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:10,307 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 443 transitions. [2024-10-11 03:49:10,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:10,307 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 443 transitions. [2024-10-11 03:49:10,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 03:49:10,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:10,308 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] [2024-10-11 03:49:10,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-11 03:49:10,308 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:10,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:10,308 INFO L85 PathProgramCache]: Analyzing trace with hash -748534451, now seen corresponding path program 1 times [2024-10-11 03:49:10,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:10,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084203798] [2024-10-11 03:49:10,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:10,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:10,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084203798] [2024-10-11 03:49:10,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084203798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:10,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:10,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 03:49:10,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099041314] [2024-10-11 03:49:10,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:10,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 03:49:10,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:10,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 03:49:10,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:49:10,564 INFO L87 Difference]: Start difference. First operand 345 states and 443 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:11,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:11,104 INFO L93 Difference]: Finished difference Result 1119 states and 1559 transitions. [2024-10-11 03:49:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 03:49:11,105 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-11 03:49:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:11,106 INFO L225 Difference]: With dead ends: 1119 [2024-10-11 03:49:11,106 INFO L226 Difference]: Without dead ends: 963 [2024-10-11 03:49:11,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2024-10-11 03:49:11,107 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 2086 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2086 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:11,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2086 Valid, 1156 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:49:11,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-10-11 03:49:11,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 357. [2024-10-11 03:49:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 350 states have (on average 1.3) internal successors, (455), 356 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 455 transitions. [2024-10-11 03:49:11,111 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 455 transitions. Word has length 82 [2024-10-11 03:49:11,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:11,111 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 455 transitions. [2024-10-11 03:49:11,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:11,111 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 455 transitions. [2024-10-11 03:49:11,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 03:49:11,111 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:11,112 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] [2024-10-11 03:49:11,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-11 03:49:11,112 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:11,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:11,112 INFO L85 PathProgramCache]: Analyzing trace with hash -689786806, now seen corresponding path program 1 times [2024-10-11 03:49:11,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:11,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273996551] [2024-10-11 03:49:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:11,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:11,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:11,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273996551] [2024-10-11 03:49:11,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273996551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:11,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:11,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 03:49:11,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118105917] [2024-10-11 03:49:11,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:11,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 03:49:11,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:11,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 03:49:11,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-11 03:49:11,509 INFO L87 Difference]: Start difference. First operand 357 states and 455 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:12,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:12,015 INFO L93 Difference]: Finished difference Result 999 states and 1376 transitions. [2024-10-11 03:49:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 03:49:12,015 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-11 03:49:12,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:12,016 INFO L225 Difference]: With dead ends: 999 [2024-10-11 03:49:12,017 INFO L226 Difference]: Without dead ends: 853 [2024-10-11 03:49:12,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-10-11 03:49:12,017 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 1793 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1793 SdHoareTripleChecker+Valid, 2099 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:12,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1793 Valid, 2099 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:49:12,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-10-11 03:49:12,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 321. [2024-10-11 03:49:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 316 states have (on average 1.3006329113924051) internal successors, (411), 320 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 411 transitions. [2024-10-11 03:49:12,021 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 411 transitions. Word has length 82 [2024-10-11 03:49:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:12,021 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 411 transitions. [2024-10-11 03:49:12,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 411 transitions. [2024-10-11 03:49:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 03:49:12,022 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:12,022 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] [2024-10-11 03:49:12,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-11 03:49:12,022 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:12,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:12,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1693741357, now seen corresponding path program 1 times [2024-10-11 03:49:12,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:12,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72173276] [2024-10-11 03:49:12,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:12,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:12,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:12,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72173276] [2024-10-11 03:49:12,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72173276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:12,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:12,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 03:49:12,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229525539] [2024-10-11 03:49:12,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:12,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 03:49:12,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:12,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 03:49:12,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-11 03:49:12,362 INFO L87 Difference]: Start difference. First operand 321 states and 411 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:12,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:12,750 INFO L93 Difference]: Finished difference Result 637 states and 866 transitions. [2024-10-11 03:49:12,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:49:12,751 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-11 03:49:12,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:12,751 INFO L225 Difference]: With dead ends: 637 [2024-10-11 03:49:12,751 INFO L226 Difference]: Without dead ends: 451 [2024-10-11 03:49:12,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-10-11 03:49:12,752 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 466 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 2627 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:12,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 2627 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:49:12,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-10-11 03:49:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 261. [2024-10-11 03:49:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 259 states have (on average 1.308880308880309) internal successors, (339), 260 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:12,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 339 transitions. [2024-10-11 03:49:12,756 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 339 transitions. Word has length 82 [2024-10-11 03:49:12,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:12,756 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 339 transitions. [2024-10-11 03:49:12,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 339 transitions. [2024-10-11 03:49:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-11 03:49:12,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:12,757 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] [2024-10-11 03:49:12,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-11 03:49:12,757 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:12,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:12,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1172303981, now seen corresponding path program 1 times [2024-10-11 03:49:12,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:12,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219632666] [2024-10-11 03:49:12,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:12,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:12,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:12,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219632666] [2024-10-11 03:49:12,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219632666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:12,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:12,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:49:12,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044061173] [2024-10-11 03:49:12,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:12,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:49:12,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:12,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:49:12,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:49:12,922 INFO L87 Difference]: Start difference. First operand 261 states and 339 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:13,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:13,167 INFO L93 Difference]: Finished difference Result 583 states and 801 transitions. [2024-10-11 03:49:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 03:49:13,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-10-11 03:49:13,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:13,168 INFO L225 Difference]: With dead ends: 583 [2024-10-11 03:49:13,168 INFO L226 Difference]: Without dead ends: 427 [2024-10-11 03:49:13,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:49:13,169 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 411 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:13,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 762 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:49:13,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-10-11 03:49:13,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 253. [2024-10-11 03:49:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 251 states have (on average 1.3107569721115537) internal successors, (329), 252 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2024-10-11 03:49:13,176 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 329 transitions. Word has length 83 [2024-10-11 03:49:13,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:13,176 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 329 transitions. [2024-10-11 03:49:13,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 329 transitions. [2024-10-11 03:49:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-11 03:49:13,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:13,176 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:13,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-11 03:49:13,177 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:13,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:13,177 INFO L85 PathProgramCache]: Analyzing trace with hash -633529937, now seen corresponding path program 1 times [2024-10-11 03:49:13,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:13,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254851474] [2024-10-11 03:49:13,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:13,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:13,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:13,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254851474] [2024-10-11 03:49:13,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254851474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:13,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:13,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2024-10-11 03:49:13,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835326958] [2024-10-11 03:49:13,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:13,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-11 03:49:13,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:13,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-11 03:49:13,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2024-10-11 03:49:13,979 INFO L87 Difference]: Start difference. First operand 253 states and 329 transitions. Second operand has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 26 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:15,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:15,083 INFO L93 Difference]: Finished difference Result 410 states and 554 transitions. [2024-10-11 03:49:15,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 03:49:15,083 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 26 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-10-11 03:49:15,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:15,084 INFO L225 Difference]: With dead ends: 410 [2024-10-11 03:49:15,084 INFO L226 Difference]: Without dead ends: 271 [2024-10-11 03:49:15,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=303, Invalid=1859, Unknown=0, NotChecked=0, Total=2162 [2024-10-11 03:49:15,085 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 485 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:15,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 2477 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:49:15,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-11 03:49:15,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 269. [2024-10-11 03:49:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 267 states have (on average 1.303370786516854) internal successors, (348), 268 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 348 transitions. [2024-10-11 03:49:15,088 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 348 transitions. Word has length 84 [2024-10-11 03:49:15,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:15,088 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 348 transitions. [2024-10-11 03:49:15,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 26 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 348 transitions. [2024-10-11 03:49:15,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 03:49:15,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:15,089 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:15,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-11 03:49:15,089 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:15,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:15,090 INFO L85 PathProgramCache]: Analyzing trace with hash 362850175, now seen corresponding path program 1 times [2024-10-11 03:49:15,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:15,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631823773] [2024-10-11 03:49:15,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:15,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:15,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:15,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631823773] [2024-10-11 03:49:15,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631823773] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:15,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:15,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 03:49:15,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413848090] [2024-10-11 03:49:15,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:15,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 03:49:15,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:15,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 03:49:15,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:49:15,577 INFO L87 Difference]: Start difference. First operand 269 states and 348 transitions. Second operand has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 14 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:16,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:16,317 INFO L93 Difference]: Finished difference Result 573 states and 784 transitions. [2024-10-11 03:49:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 03:49:16,317 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 14 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-11 03:49:16,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:16,318 INFO L225 Difference]: With dead ends: 573 [2024-10-11 03:49:16,318 INFO L226 Difference]: Without dead ends: 567 [2024-10-11 03:49:16,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2024-10-11 03:49:16,319 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 1090 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:16,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 2473 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 03:49:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-10-11 03:49:16,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 269. [2024-10-11 03:49:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 267 states have (on average 1.299625468164794) internal successors, (347), 268 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 347 transitions. [2024-10-11 03:49:16,322 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 347 transitions. Word has length 85 [2024-10-11 03:49:16,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:16,322 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 347 transitions. [2024-10-11 03:49:16,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 14 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 347 transitions. [2024-10-11 03:49:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 03:49:16,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:16,322 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:16,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-10-11 03:49:16,322 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:16,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1543734065, now seen corresponding path program 1 times [2024-10-11 03:49:16,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:16,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34612600] [2024-10-11 03:49:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:16,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:16,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:16,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34612600] [2024-10-11 03:49:16,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34612600] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:16,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:16,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 03:49:16,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812608168] [2024-10-11 03:49:16,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:16,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 03:49:16,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:16,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 03:49:16,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:49:16,641 INFO L87 Difference]: Start difference. First operand 269 states and 347 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:16,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:16,970 INFO L93 Difference]: Finished difference Result 421 states and 568 transitions. [2024-10-11 03:49:16,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 03:49:16,970 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-11 03:49:16,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:16,971 INFO L225 Difference]: With dead ends: 421 [2024-10-11 03:49:16,971 INFO L226 Difference]: Without dead ends: 415 [2024-10-11 03:49:16,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-11 03:49:16,971 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 682 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:16,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 1526 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:49:16,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-10-11 03:49:16,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 262. [2024-10-11 03:49:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.3026819923371646) internal successors, (340), 261 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 340 transitions. [2024-10-11 03:49:16,974 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 340 transitions. Word has length 85 [2024-10-11 03:49:16,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:16,974 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 340 transitions. [2024-10-11 03:49:16,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 340 transitions. [2024-10-11 03:49:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 03:49:16,975 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:16,975 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] [2024-10-11 03:49:16,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-10-11 03:49:16,975 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:16,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:16,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1137760319, now seen corresponding path program 1 times [2024-10-11 03:49:16,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:16,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061987462] [2024-10-11 03:49:16,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:16,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:17,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:17,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:17,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061987462] [2024-10-11 03:49:17,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061987462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:17,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:17,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:49:17,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390619653] [2024-10-11 03:49:17,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:17,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:49:17,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:17,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:49:17,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:49:17,056 INFO L87 Difference]: Start difference. First operand 262 states and 340 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:17,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:17,153 INFO L93 Difference]: Finished difference Result 1522 states and 2240 transitions. [2024-10-11 03:49:17,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:49:17,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2024-10-11 03:49:17,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:17,155 INFO L225 Difference]: With dead ends: 1522 [2024-10-11 03:49:17,155 INFO L226 Difference]: Without dead ends: 1396 [2024-10-11 03:49:17,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-10-11 03:49:17,156 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1497 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:17,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1497 Valid, 1540 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:49:17,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2024-10-11 03:49:17,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 386. [2024-10-11 03:49:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.3636363636363635) internal successors, (525), 385 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 525 transitions. [2024-10-11 03:49:17,162 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 525 transitions. Word has length 111 [2024-10-11 03:49:17,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:17,162 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 525 transitions. [2024-10-11 03:49:17,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:17,162 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 525 transitions. [2024-10-11 03:49:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 03:49:17,163 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:17,163 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] [2024-10-11 03:49:17,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-10-11 03:49:17,163 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:17,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:17,164 INFO L85 PathProgramCache]: Analyzing trace with hash 306859352, now seen corresponding path program 1 times [2024-10-11 03:49:17,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:17,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945561258] [2024-10-11 03:49:17,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:17,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:17,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:17,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945561258] [2024-10-11 03:49:17,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945561258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:17,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:17,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:49:17,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420297310] [2024-10-11 03:49:17,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:17,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:49:17,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:17,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:49:17,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:49:17,255 INFO L87 Difference]: Start difference. First operand 386 states and 525 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:17,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:17,325 INFO L93 Difference]: Finished difference Result 1762 states and 2586 transitions. [2024-10-11 03:49:17,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 03:49:17,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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 [2024-10-11 03:49:17,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:17,327 INFO L225 Difference]: With dead ends: 1762 [2024-10-11 03:49:17,327 INFO L226 Difference]: Without dead ends: 1512 [2024-10-11 03:49:17,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:49:17,328 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 1197 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:17,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 945 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:17,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-10-11 03:49:17,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 634. [2024-10-11 03:49:17,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 633 states have (on average 1.4170616113744077) internal successors, (897), 633 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:17,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 897 transitions. [2024-10-11 03:49:17,335 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 897 transitions. Word has length 113 [2024-10-11 03:49:17,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:17,335 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 897 transitions. [2024-10-11 03:49:17,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:17,336 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 897 transitions. [2024-10-11 03:49:17,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 03:49:17,336 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:17,336 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] [2024-10-11 03:49:17,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-10-11 03:49:17,336 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:17,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:17,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2032245473, now seen corresponding path program 1 times [2024-10-11 03:49:17,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:17,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545393447] [2024-10-11 03:49:17,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:17,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:17,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:17,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545393447] [2024-10-11 03:49:17,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545393447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:17,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:17,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:49:17,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264081365] [2024-10-11 03:49:17,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:17,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:49:17,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:17,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:49:17,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:49:17,507 INFO L87 Difference]: Start difference. First operand 634 states and 897 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:17,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:17,605 INFO L93 Difference]: Finished difference Result 1134 states and 1645 transitions. [2024-10-11 03:49:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 03:49:17,606 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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 [2024-10-11 03:49:17,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:17,606 INFO L225 Difference]: With dead ends: 1134 [2024-10-11 03:49:17,606 INFO L226 Difference]: Without dead ends: 636 [2024-10-11 03:49:17,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-11 03:49:17,607 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 252 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:17,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 552 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:17,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-11 03:49:17,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 634. [2024-10-11 03:49:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 633 states have (on average 1.410742496050553) internal successors, (893), 633 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 893 transitions. [2024-10-11 03:49:17,613 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 893 transitions. Word has length 113 [2024-10-11 03:49:17,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:17,613 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 893 transitions. [2024-10-11 03:49:17,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:17,613 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 893 transitions. [2024-10-11 03:49:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 03:49:17,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:17,614 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] [2024-10-11 03:49:17,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-10-11 03:49:17,614 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:17,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:17,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1292505152, now seen corresponding path program 1 times [2024-10-11 03:49:17,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:17,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300572028] [2024-10-11 03:49:17,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:17,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:17,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:17,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300572028] [2024-10-11 03:49:17,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300572028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:17,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:17,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:49:17,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640927879] [2024-10-11 03:49:17,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:17,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:49:17,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:17,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:49:17,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:17,664 INFO L87 Difference]: Start difference. First operand 634 states and 893 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 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) [2024-10-11 03:49:17,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:17,682 INFO L93 Difference]: Finished difference Result 1578 states and 2291 transitions. [2024-10-11 03:49:17,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:49:17,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 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 [2024-10-11 03:49:17,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:17,684 INFO L225 Difference]: With dead ends: 1578 [2024-10-11 03:49:17,684 INFO L226 Difference]: Without dead ends: 1080 [2024-10-11 03:49:17,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:17,685 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 112 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:17,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 306 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2024-10-11 03:49:17,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1070. [2024-10-11 03:49:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 1069 states have (on average 1.420954162768943) internal successors, (1519), 1069 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:17,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1519 transitions. [2024-10-11 03:49:17,695 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1519 transitions. Word has length 113 [2024-10-11 03:49:17,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:17,695 INFO L471 AbstractCegarLoop]: Abstraction has 1070 states and 1519 transitions. [2024-10-11 03:49:17,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 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) [2024-10-11 03:49:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1519 transitions. [2024-10-11 03:49:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 03:49:17,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:17,696 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] [2024-10-11 03:49:17,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-10-11 03:49:17,696 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:17,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:17,697 INFO L85 PathProgramCache]: Analyzing trace with hash 385060138, now seen corresponding path program 1 times [2024-10-11 03:49:17,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:17,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744495598] [2024-10-11 03:49:17,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:17,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:17,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:17,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744495598] [2024-10-11 03:49:17,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744495598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:17,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:17,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:49:17,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048560104] [2024-10-11 03:49:17,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:17,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:49:17,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:17,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:49:17,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:49:17,792 INFO L87 Difference]: Start difference. First operand 1070 states and 1519 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:17,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:17,880 INFO L93 Difference]: Finished difference Result 3646 states and 5295 transitions. [2024-10-11 03:49:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 03:49:17,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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 [2024-10-11 03:49:17,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:17,886 INFO L225 Difference]: With dead ends: 3646 [2024-10-11 03:49:17,886 INFO L226 Difference]: Without dead ends: 3178 [2024-10-11 03:49:17,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:49:17,888 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 1118 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:17,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 1020 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:49:17,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2024-10-11 03:49:17,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 1770. [2024-10-11 03:49:17,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1769 states have (on average 1.4364047484454494) internal successors, (2541), 1769 states have internal predecessors, (2541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2541 transitions. [2024-10-11 03:49:17,907 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2541 transitions. Word has length 113 [2024-10-11 03:49:17,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:17,908 INFO L471 AbstractCegarLoop]: Abstraction has 1770 states and 2541 transitions. [2024-10-11 03:49:17,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2541 transitions. [2024-10-11 03:49:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 03:49:17,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:17,909 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] [2024-10-11 03:49:17,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-11 03:49:17,909 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:17,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:17,910 INFO L85 PathProgramCache]: Analyzing trace with hash -734359452, now seen corresponding path program 1 times [2024-10-11 03:49:17,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:17,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711417853] [2024-10-11 03:49:17,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:17,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:18,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:18,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711417853] [2024-10-11 03:49:18,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711417853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:18,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:18,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:49:18,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198161795] [2024-10-11 03:49:18,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:18,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:49:18,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:18,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:49:18,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:49:18,007 INFO L87 Difference]: Start difference. First operand 1770 states and 2541 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:18,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:18,101 INFO L93 Difference]: Finished difference Result 4112 states and 5977 transitions. [2024-10-11 03:49:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 03:49:18,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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 [2024-10-11 03:49:18,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:18,106 INFO L225 Difference]: With dead ends: 4112 [2024-10-11 03:49:18,106 INFO L226 Difference]: Without dead ends: 3644 [2024-10-11 03:49:18,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:49:18,107 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 1013 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:18,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1013 Valid, 1068 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:49:18,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3644 states. [2024-10-11 03:49:18,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3644 to 2236. [2024-10-11 03:49:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 2235 states have (on average 1.4420581655480984) internal successors, (3223), 2235 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 3223 transitions. [2024-10-11 03:49:18,134 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 3223 transitions. Word has length 113 [2024-10-11 03:49:18,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:18,135 INFO L471 AbstractCegarLoop]: Abstraction has 2236 states and 3223 transitions. [2024-10-11 03:49:18,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:18,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 3223 transitions. [2024-10-11 03:49:18,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 03:49:18,137 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:18,137 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] [2024-10-11 03:49:18,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-10-11 03:49:18,138 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:18,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:18,139 INFO L85 PathProgramCache]: Analyzing trace with hash -601785570, now seen corresponding path program 1 times [2024-10-11 03:49:18,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:18,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619568320] [2024-10-11 03:49:18,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:18,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:18,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:18,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619568320] [2024-10-11 03:49:18,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619568320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:18,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:18,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:49:18,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108919359] [2024-10-11 03:49:18,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:18,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:49:18,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:18,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:49:18,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:49:18,238 INFO L87 Difference]: Start difference. First operand 2236 states and 3223 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:18,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:18,332 INFO L93 Difference]: Finished difference Result 4578 states and 6659 transitions. [2024-10-11 03:49:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 03:49:18,332 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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 [2024-10-11 03:49:18,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:18,336 INFO L225 Difference]: With dead ends: 4578 [2024-10-11 03:49:18,336 INFO L226 Difference]: Without dead ends: 4110 [2024-10-11 03:49:18,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:49:18,338 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 1048 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:18,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 1117 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:49:18,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4110 states. [2024-10-11 03:49:18,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4110 to 2702. [2024-10-11 03:49:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 2701 states have (on average 1.445760829322473) internal successors, (3905), 2701 states have internal predecessors, (3905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:18,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3905 transitions. [2024-10-11 03:49:18,375 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 3905 transitions. Word has length 113 [2024-10-11 03:49:18,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:18,376 INFO L471 AbstractCegarLoop]: Abstraction has 2702 states and 3905 transitions. [2024-10-11 03:49:18,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-10-11 03:49:18,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3905 transitions. [2024-10-11 03:49:18,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 03:49:18,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:18,377 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] [2024-10-11 03:49:18,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-10-11 03:49:18,377 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:18,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:18,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1484067262, now seen corresponding path program 1 times [2024-10-11 03:49:18,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:18,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336335650] [2024-10-11 03:49:18,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:18,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:18,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:18,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336335650] [2024-10-11 03:49:18,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336335650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:18,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:18,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:49:18,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84954989] [2024-10-11 03:49:18,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:18,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:49:18,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:18,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:49:18,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:18,449 INFO L87 Difference]: Start difference. First operand 2702 states and 3905 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:18,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:18,472 INFO L93 Difference]: Finished difference Result 7658 states and 11107 transitions. [2024-10-11 03:49:18,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:49:18,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-10-11 03:49:18,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:18,479 INFO L225 Difference]: With dead ends: 7658 [2024-10-11 03:49:18,480 INFO L226 Difference]: Without dead ends: 5092 [2024-10-11 03:49:18,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:18,483 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 90 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:18,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 407 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:18,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5092 states. [2024-10-11 03:49:18,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5092 to 4914. [2024-10-11 03:49:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4914 states, 4913 states have (on average 1.4424994911459394) internal successors, (7087), 4913 states have internal predecessors, (7087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4914 states to 4914 states and 7087 transitions. [2024-10-11 03:49:18,527 INFO L78 Accepts]: Start accepts. Automaton has 4914 states and 7087 transitions. Word has length 114 [2024-10-11 03:49:18,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:18,527 INFO L471 AbstractCegarLoop]: Abstraction has 4914 states and 7087 transitions. [2024-10-11 03:49:18,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4914 states and 7087 transitions. [2024-10-11 03:49:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 03:49:18,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:18,529 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] [2024-10-11 03:49:18,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-10-11 03:49:18,529 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:18,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:18,529 INFO L85 PathProgramCache]: Analyzing trace with hash -880880022, now seen corresponding path program 1 times [2024-10-11 03:49:18,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:18,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570725122] [2024-10-11 03:49:18,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:18,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:18,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:18,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570725122] [2024-10-11 03:49:18,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570725122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:18,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:18,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:49:18,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433462909] [2024-10-11 03:49:18,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:18,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:49:18,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:18,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:49:18,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:18,605 INFO L87 Difference]: Start difference. First operand 4914 states and 7087 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:18,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:18,638 INFO L93 Difference]: Finished difference Result 14118 states and 20345 transitions. [2024-10-11 03:49:18,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:49:18,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-11 03:49:18,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:18,651 INFO L225 Difference]: With dead ends: 14118 [2024-10-11 03:49:18,651 INFO L226 Difference]: Without dead ends: 9340 [2024-10-11 03:49:18,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:18,657 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 83 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:18,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 407 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:18,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9340 states. [2024-10-11 03:49:18,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9340 to 8986. [2024-10-11 03:49:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8986 states, 8985 states have (on average 1.43338898163606) internal successors, (12879), 8985 states have internal predecessors, (12879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:18,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8986 states to 8986 states and 12879 transitions. [2024-10-11 03:49:18,732 INFO L78 Accepts]: Start accepts. Automaton has 8986 states and 12879 transitions. Word has length 115 [2024-10-11 03:49:18,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:18,732 INFO L471 AbstractCegarLoop]: Abstraction has 8986 states and 12879 transitions. [2024-10-11 03:49:18,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 8986 states and 12879 transitions. [2024-10-11 03:49:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-11 03:49:18,733 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:18,733 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:18,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-10-11 03:49:18,734 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:18,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:18,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1627793619, now seen corresponding path program 1 times [2024-10-11 03:49:18,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:18,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138928174] [2024-10-11 03:49:18,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:18,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:18,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:18,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138928174] [2024-10-11 03:49:18,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138928174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:18,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:18,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:49:18,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549901272] [2024-10-11 03:49:18,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:18,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:49:18,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:18,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:49:18,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:18,805 INFO L87 Difference]: Start difference. First operand 8986 states and 12879 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:18,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:18,854 INFO L93 Difference]: Finished difference Result 25982 states and 37105 transitions. [2024-10-11 03:49:18,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:49:18,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-10-11 03:49:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:18,875 INFO L225 Difference]: With dead ends: 25982 [2024-10-11 03:49:18,875 INFO L226 Difference]: Without dead ends: 17132 [2024-10-11 03:49:18,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:18,887 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 76 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:18,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 407 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:18,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17132 states. [2024-10-11 03:49:19,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17132 to 16426. [2024-10-11 03:49:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16426 states, 16425 states have (on average 1.4197260273972603) internal successors, (23319), 16425 states have internal predecessors, (23319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16426 states to 16426 states and 23319 transitions. [2024-10-11 03:49:19,077 INFO L78 Accepts]: Start accepts. Automaton has 16426 states and 23319 transitions. Word has length 116 [2024-10-11 03:49:19,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:19,077 INFO L471 AbstractCegarLoop]: Abstraction has 16426 states and 23319 transitions. [2024-10-11 03:49:19,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 16426 states and 23319 transitions. [2024-10-11 03:49:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-11 03:49:19,078 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:19,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:19,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-10-11 03:49:19,078 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:19,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:19,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1521009111, now seen corresponding path program 1 times [2024-10-11 03:49:19,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:19,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207006038] [2024-10-11 03:49:19,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:19,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:19,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:19,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207006038] [2024-10-11 03:49:19,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207006038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:19,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:19,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:49:19,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755712972] [2024-10-11 03:49:19,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:19,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:49:19,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:19,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:49:19,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:19,156 INFO L87 Difference]: Start difference. First operand 16426 states and 23319 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:19,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:19,229 INFO L93 Difference]: Finished difference Result 47598 states and 67193 transitions. [2024-10-11 03:49:19,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:49:19,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-10-11 03:49:19,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:19,264 INFO L225 Difference]: With dead ends: 47598 [2024-10-11 03:49:19,264 INFO L226 Difference]: Without dead ends: 31308 [2024-10-11 03:49:19,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:19,285 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 66 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:19,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 407 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:19,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31308 states. [2024-10-11 03:49:19,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31308 to 29898. [2024-10-11 03:49:19,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29898 states, 29897 states have (on average 1.4018463390975684) internal successors, (41911), 29897 states have internal predecessors, (41911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29898 states to 29898 states and 41911 transitions. [2024-10-11 03:49:19,708 INFO L78 Accepts]: Start accepts. Automaton has 29898 states and 41911 transitions. Word has length 117 [2024-10-11 03:49:19,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:19,709 INFO L471 AbstractCegarLoop]: Abstraction has 29898 states and 41911 transitions. [2024-10-11 03:49:19,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 29898 states and 41911 transitions. [2024-10-11 03:49:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 03:49:19,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:19,711 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:19,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-10-11 03:49:19,711 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:19,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:19,711 INFO L85 PathProgramCache]: Analyzing trace with hash 516056448, now seen corresponding path program 1 times [2024-10-11 03:49:19,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:19,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280750568] [2024-10-11 03:49:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:19,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:19,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:19,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280750568] [2024-10-11 03:49:19,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280750568] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:19,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:19,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:49:19,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967011262] [2024-10-11 03:49:19,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:19,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 03:49:19,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:19,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 03:49:19,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:49:19,941 INFO L87 Difference]: Start difference. First operand 29898 states and 41911 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:20,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:20,014 INFO L93 Difference]: Finished difference Result 30860 states and 43192 transitions. [2024-10-11 03:49:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 03:49:20,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-10-11 03:49:20,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:20,048 INFO L225 Difference]: With dead ends: 30860 [2024-10-11 03:49:20,048 INFO L226 Difference]: Without dead ends: 30858 [2024-10-11 03:49:20,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:49:20,058 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 0 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:20,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 927 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:20,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30858 states. [2024-10-11 03:49:20,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30858 to 30858. [2024-10-11 03:49:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30858 states, 30857 states have (on average 1.3831221440840005) internal successors, (42679), 30857 states have internal predecessors, (42679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30858 states to 30858 states and 42679 transitions. [2024-10-11 03:49:20,359 INFO L78 Accepts]: Start accepts. Automaton has 30858 states and 42679 transitions. Word has length 118 [2024-10-11 03:49:20,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:20,359 INFO L471 AbstractCegarLoop]: Abstraction has 30858 states and 42679 transitions. [2024-10-11 03:49:20,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 30858 states and 42679 transitions. [2024-10-11 03:49:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 03:49:20,360 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:20,361 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:20,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-10-11 03:49:20,361 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:20,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:20,361 INFO L85 PathProgramCache]: Analyzing trace with hash 856768381, now seen corresponding path program 1 times [2024-10-11 03:49:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:20,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840515409] [2024-10-11 03:49:20,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:20,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:20,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:20,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840515409] [2024-10-11 03:49:20,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840515409] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:20,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:20,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:49:20,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274094140] [2024-10-11 03:49:20,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:20,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:49:20,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:20,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:49:20,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:49:20,596 INFO L87 Difference]: Start difference. First operand 30858 states and 42679 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:20,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:20,759 INFO L93 Difference]: Finished difference Result 58870 states and 81725 transitions. [2024-10-11 03:49:20,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 03:49:20,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-10-11 03:49:20,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:20,818 INFO L225 Difference]: With dead ends: 58870 [2024-10-11 03:49:20,818 INFO L226 Difference]: Without dead ends: 53268 [2024-10-11 03:49:20,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:49:20,838 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 1190 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:20,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 1106 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:20,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53268 states. [2024-10-11 03:49:21,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53268 to 36458. [2024-10-11 03:49:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36458 states, 36457 states have (on average 1.3830814384068904) internal successors, (50423), 36457 states have internal predecessors, (50423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36458 states to 36458 states and 50423 transitions. [2024-10-11 03:49:21,440 INFO L78 Accepts]: Start accepts. Automaton has 36458 states and 50423 transitions. Word has length 118 [2024-10-11 03:49:21,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:21,440 INFO L471 AbstractCegarLoop]: Abstraction has 36458 states and 50423 transitions. [2024-10-11 03:49:21,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:21,441 INFO L276 IsEmpty]: Start isEmpty. Operand 36458 states and 50423 transitions. [2024-10-11 03:49:21,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 03:49:21,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:21,441 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:21,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-10-11 03:49:21,442 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:21,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:21,442 INFO L85 PathProgramCache]: Analyzing trace with hash -193914565, now seen corresponding path program 1 times [2024-10-11 03:49:21,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:21,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214999052] [2024-10-11 03:49:21,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:21,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:21,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:21,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214999052] [2024-10-11 03:49:21,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214999052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:21,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:21,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:49:21,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846014602] [2024-10-11 03:49:21,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:21,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:49:21,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:21,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:49:21,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:21,514 INFO L87 Difference]: Start difference. First operand 36458 states and 50423 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:21,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:21,657 INFO L93 Difference]: Finished difference Result 94542 states and 130553 transitions. [2024-10-11 03:49:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:49:21,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2024-10-11 03:49:21,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:21,856 INFO L225 Difference]: With dead ends: 94542 [2024-10-11 03:49:21,856 INFO L226 Difference]: Without dead ends: 58220 [2024-10-11 03:49:21,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:21,876 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 94 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:21,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 410 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:21,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58220 states. [2024-10-11 03:49:22,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58220 to 54890. [2024-10-11 03:49:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54890 states, 54889 states have (on average 1.3640437974821913) internal successors, (74871), 54889 states have internal predecessors, (74871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54890 states to 54890 states and 74871 transitions. [2024-10-11 03:49:22,714 INFO L78 Accepts]: Start accepts. Automaton has 54890 states and 74871 transitions. Word has length 119 [2024-10-11 03:49:22,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:22,714 INFO L471 AbstractCegarLoop]: Abstraction has 54890 states and 74871 transitions. [2024-10-11 03:49:22,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 54890 states and 74871 transitions. [2024-10-11 03:49:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 03:49:22,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:22,721 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:22,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-10-11 03:49:22,721 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:22,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:22,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1196105168, now seen corresponding path program 1 times [2024-10-11 03:49:22,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:22,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627780901] [2024-10-11 03:49:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:22,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:22,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:22,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627780901] [2024-10-11 03:49:22,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627780901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:49:22,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:49:22,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:49:22,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379091514] [2024-10-11 03:49:22,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:49:22,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:49:22,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:22,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:49:22,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:22,846 INFO L87 Difference]: Start difference. First operand 54890 states and 74871 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:23,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:23,182 INFO L93 Difference]: Finished difference Result 109646 states and 149593 transitions. [2024-10-11 03:49:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:49:23,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-10-11 03:49:23,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:23,241 INFO L225 Difference]: With dead ends: 109646 [2024-10-11 03:49:23,241 INFO L226 Difference]: Without dead ends: 54892 [2024-10-11 03:49:23,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:49:23,264 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 82 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:23,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 380 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:49:23,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54892 states. [2024-10-11 03:49:23,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54892 to 54890. [2024-10-11 03:49:23,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54890 states, 54889 states have (on average 1.3488859334292846) internal successors, (74039), 54889 states have internal predecessors, (74039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54890 states to 54890 states and 74039 transitions. [2024-10-11 03:49:23,801 INFO L78 Accepts]: Start accepts. Automaton has 54890 states and 74039 transitions. Word has length 149 [2024-10-11 03:49:23,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:23,801 INFO L471 AbstractCegarLoop]: Abstraction has 54890 states and 74039 transitions. [2024-10-11 03:49:23,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 54890 states and 74039 transitions. [2024-10-11 03:49:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 03:49:23,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:23,806 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:23,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-10-11 03:49:23,806 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:23,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:23,807 INFO L85 PathProgramCache]: Analyzing trace with hash 482313619, now seen corresponding path program 1 times [2024-10-11 03:49:23,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:23,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408037719] [2024-10-11 03:49:23,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:23,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:24,259 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:24,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:24,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408037719] [2024-10-11 03:49:24,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408037719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:49:24,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35471153] [2024-10-11 03:49:24,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:24,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:49:24,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:49:24,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:49:24,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 03:49:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:24,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 03:49:24,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:49:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:25,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 03:49:26,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:26,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35471153] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 03:49:26,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 03:49:26,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 24 [2024-10-11 03:49:26,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019186530] [2024-10-11 03:49:26,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 03:49:26,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-11 03:49:26,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:26,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-11 03:49:26,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2024-10-11 03:49:26,827 INFO L87 Difference]: Start difference. First operand 54890 states and 74039 transitions. Second operand has 25 states, 25 states have (on average 15.16) internal successors, (379), 24 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:28,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:28,796 INFO L93 Difference]: Finished difference Result 273714 states and 366906 transitions. [2024-10-11 03:49:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-11 03:49:28,796 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 15.16) internal successors, (379), 24 states have internal predecessors, (379), 0 states have call successors, (0), 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 149 [2024-10-11 03:49:28,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:29,060 INFO L225 Difference]: With dead ends: 273714 [2024-10-11 03:49:29,060 INFO L226 Difference]: Without dead ends: 218960 [2024-10-11 03:49:29,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=810, Invalid=2850, Unknown=0, NotChecked=0, Total=3660 [2024-10-11 03:49:29,099 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 2975 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:29,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2975 Valid, 1585 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 03:49:29,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218960 states. [2024-10-11 03:49:30,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218960 to 115960. [2024-10-11 03:49:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115960 states, 115959 states have (on average 1.3401029674281426) internal successors, (155397), 115959 states have internal predecessors, (155397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115960 states to 115960 states and 155397 transitions. [2024-10-11 03:49:31,136 INFO L78 Accepts]: Start accepts. Automaton has 115960 states and 155397 transitions. Word has length 149 [2024-10-11 03:49:31,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:31,136 INFO L471 AbstractCegarLoop]: Abstraction has 115960 states and 155397 transitions. [2024-10-11 03:49:31,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.16) internal successors, (379), 24 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 115960 states and 155397 transitions. [2024-10-11 03:49:31,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 03:49:31,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:31,145 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:31,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 03:49:31,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:49:31,346 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:31,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:31,346 INFO L85 PathProgramCache]: Analyzing trace with hash 672718090, now seen corresponding path program 1 times [2024-10-11 03:49:31,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:31,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654648024] [2024-10-11 03:49:31,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:31,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:31,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:31,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654648024] [2024-10-11 03:49:31,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654648024] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:49:31,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316492302] [2024-10-11 03:49:31,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:31,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:49:31,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:49:31,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:49:31,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 03:49:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:32,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 03:49:32,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:49:32,934 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:32,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 03:49:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:34,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316492302] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 03:49:34,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 03:49:34,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-10-11 03:49:34,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651615934] [2024-10-11 03:49:34,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 03:49:34,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 03:49:34,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:49:34,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 03:49:34,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=695, Unknown=0, NotChecked=0, Total=812 [2024-10-11 03:49:34,388 INFO L87 Difference]: Start difference. First operand 115960 states and 155397 transitions. Second operand has 29 states, 29 states have (on average 13.206896551724139) internal successors, (383), 28 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:36,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:49:36,244 INFO L93 Difference]: Finished difference Result 461282 states and 621122 transitions. [2024-10-11 03:49:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 03:49:36,244 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 13.206896551724139) internal successors, (383), 28 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-11 03:49:36,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:49:37,005 INFO L225 Difference]: With dead ends: 461282 [2024-10-11 03:49:37,005 INFO L226 Difference]: Without dead ends: 345472 [2024-10-11 03:49:37,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=535, Invalid=1817, Unknown=0, NotChecked=0, Total=2352 [2024-10-11 03:49:37,081 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1888 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 1639 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:49:37,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 1639 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:49:37,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345472 states. [2024-10-11 03:49:40,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345472 to 273876. [2024-10-11 03:49:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273876 states, 273875 states have (on average 1.337628480146052) internal successors, (366343), 273875 states have internal predecessors, (366343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273876 states to 273876 states and 366343 transitions. [2024-10-11 03:49:40,979 INFO L78 Accepts]: Start accepts. Automaton has 273876 states and 366343 transitions. Word has length 150 [2024-10-11 03:49:40,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:49:40,979 INFO L471 AbstractCegarLoop]: Abstraction has 273876 states and 366343 transitions. [2024-10-11 03:49:40,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 13.206896551724139) internal successors, (383), 28 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:49:40,979 INFO L276 IsEmpty]: Start isEmpty. Operand 273876 states and 366343 transitions. [2024-10-11 03:49:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 03:49:40,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:49:40,996 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:49:41,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 03:49:41,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:49:41,197 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-11 03:49:41,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:49:41,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1191295030, now seen corresponding path program 1 times [2024-10-11 03:49:41,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:49:41,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450547110] [2024-10-11 03:49:41,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:41,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:49:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:42,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:49:42,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:49:42,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450547110] [2024-10-11 03:49:42,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450547110] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:49:42,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166846386] [2024-10-11 03:49:42,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:49:42,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:49:42,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:49:42,059 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:49:42,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 03:49:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:49:42,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 03:49:42,321 INFO L278 TraceCheckSpWp]: Computing forward predicates...