./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52cbb0c1391c9e840599beece58e1ecbc8d18028ef540ea98f759da7158f4609 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:59:54,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:59:54,853 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:59:54,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:59:54,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:59:54,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:59:54,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:59:54,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:59:54,888 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:59:54,888 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:59:54,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:59:54,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:59:54,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:59:54,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:59:54,891 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:59:54,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:59:54,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:59:54,892 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:59:54,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:59:54,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:59:54,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:59:54,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:59:54,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:59:54,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:59:54,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:59:54,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:59:54,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:59:54,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:59:54,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:59:54,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:59:54,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:59:54,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:59:54,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:59:54,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:59:54,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:59:54,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:59:54,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:59:54,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:59:54,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:59:54,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:59:54,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:59:54,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:59:54,900 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52cbb0c1391c9e840599beece58e1ecbc8d18028ef540ea98f759da7158f4609 [2024-10-14 03:59:55,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:59:55,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:59:55,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:59:55,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:59:55,149 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:59:55,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-14 03:59:56,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:59:56,764 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:59:56,765 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-14 03:59:56,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/769ce512e/78dfb168199c4b558e20e569589eeea9/FLAGfe5a075f2 [2024-10-14 03:59:57,028 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/769ce512e/78dfb168199c4b558e20e569589eeea9 [2024-10-14 03:59:57,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:59:57,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:59:57,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:59:57,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:59:57,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:59:57,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:59:57" (1/1) ... [2024-10-14 03:59:57,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9844ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:57, skipping insertion in model container [2024-10-14 03:59:57,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:59:57" (1/1) ... [2024-10-14 03:59:57,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:59:57,477 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13531,13544] [2024-10-14 03:59:57,505 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18011,18024] [2024-10-14 03:59:57,512 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19303,19316] [2024-10-14 03:59:57,516 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20061,20074] [2024-10-14 03:59:57,525 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21681,21694] [2024-10-14 03:59:57,529 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22439,22452] [2024-10-14 03:59:57,534 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23525,23538] [2024-10-14 03:59:57,547 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26064,26077] [2024-10-14 03:59:57,551 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26825,26838] [2024-10-14 03:59:57,555 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27914,27927] [2024-10-14 03:59:57,567 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29919,29932] [2024-10-14 03:59:57,589 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33842,33855] [2024-10-14 03:59:57,599 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34603,34616] [2024-10-14 03:59:57,602 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35696,35709] [2024-10-14 03:59:57,609 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37705,37718] [2024-10-14 03:59:57,624 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41308,41321] [2024-10-14 03:59:57,659 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48185,48198] [2024-10-14 03:59:57,664 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48946,48959] [2024-10-14 03:59:57,668 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50035,50048] [2024-10-14 03:59:57,678 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52040,52053] [2024-10-14 03:59:57,688 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55429,55442] [2024-10-14 03:59:57,706 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61126,61139] [2024-10-14 03:59:57,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:59:57,954 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:59:58,028 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13531,13544] [2024-10-14 03:59:58,044 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18011,18024] [2024-10-14 03:59:58,052 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.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19303,19316] [2024-10-14 03:59:58,058 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20061,20074] [2024-10-14 03:59:58,067 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21681,21694] [2024-10-14 03:59:58,073 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22439,22452] [2024-10-14 03:59:58,079 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23525,23538] [2024-10-14 03:59:58,092 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26064,26077] [2024-10-14 03:59:58,097 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26825,26838] [2024-10-14 03:59:58,104 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27914,27927] [2024-10-14 03:59:58,116 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29919,29932] [2024-10-14 03:59:58,136 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33842,33855] [2024-10-14 03:59:58,141 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34603,34616] [2024-10-14 03:59:58,173 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35696,35709] [2024-10-14 03:59:58,178 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37705,37718] [2024-10-14 03:59:58,188 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41308,41321] [2024-10-14 03:59:58,204 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48185,48198] [2024-10-14 03:59:58,207 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48946,48959] [2024-10-14 03:59:58,210 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50035,50048] [2024-10-14 03:59:58,214 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52040,52053] [2024-10-14 03:59:58,225 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55429,55442] [2024-10-14 03:59:58,236 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61126,61139] [2024-10-14 03:59:58,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:59:58,395 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:59:58,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58 WrapperNode [2024-10-14 03:59:58,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:59:58,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:59:58,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:59:58,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:59:58,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,552 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6748 [2024-10-14 03:59:58,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:59:58,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:59:58,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:59:58,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:59:58,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,627 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]. [2024-10-14 03:59:58,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:59:58,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:59:58,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:59:58,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:59:58,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (1/1) ... [2024-10-14 03:59:58,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:59:58,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:59:58,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 03:59:58,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 03:59:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:59:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:59:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:59:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:59:59,080 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:59:59,082 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 04:00:01,534 INFO L? ?]: Removed 1001 outVars from TransFormulas that were not future-live. [2024-10-14 04:00:01,534 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 04:00:01,600 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 04:00:01,601 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 04:00:01,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:00:01 BoogieIcfgContainer [2024-10-14 04:00:01,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 04:00:01,604 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 04:00:01,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 04:00:01,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 04:00:01,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:59:57" (1/3) ... [2024-10-14 04:00:01,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b187c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:00:01, skipping insertion in model container [2024-10-14 04:00:01,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:58" (2/3) ... [2024-10-14 04:00:01,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b187c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:00:01, skipping insertion in model container [2024-10-14 04:00:01,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:00:01" (3/3) ... [2024-10-14 04:00:01,610 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-10-14 04:00:01,624 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 04:00:01,624 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-14 04:00:01,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 04:00:01,726 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;@3a6e3e74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 04:00:01,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-14 04:00:01,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 1122 states, 1099 states have (on average 1.8616924476797088) internal successors, (2046), 1121 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 04:00:01,764 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:01,765 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] [2024-10-14 04:00:01,766 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:01,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:01,770 INFO L85 PathProgramCache]: Analyzing trace with hash -744865271, now seen corresponding path program 1 times [2024-10-14 04:00:01,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:01,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955361100] [2024-10-14 04:00:01,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:01,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:02,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:02,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955361100] [2024-10-14 04:00:02,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955361100] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:02,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:02,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 04:00:02,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547521022] [2024-10-14 04:00:02,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:02,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 04:00:02,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:02,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 04:00:02,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 04:00:02,312 INFO L87 Difference]: Start difference. First operand has 1122 states, 1099 states have (on average 1.8616924476797088) internal successors, (2046), 1121 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:02,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:02,971 INFO L93 Difference]: Finished difference Result 1697 states and 2993 transitions. [2024-10-14 04:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 04:00:02,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-10-14 04:00:02,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:02,994 INFO L225 Difference]: With dead ends: 1697 [2024-10-14 04:00:02,995 INFO L226 Difference]: Without dead ends: 876 [2024-10-14 04:00:03,003 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 [2024-10-14 04:00:03,006 INFO L432 NwaCegarLoop]: 1016 mSDtfsCounter, 4497 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4497 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:03,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4497 Valid, 1056 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:00:03,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2024-10-14 04:00:03,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2024-10-14 04:00:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 854 states have (on average 1.3185011709601873) internal successors, (1126), 875 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1126 transitions. [2024-10-14 04:00:03,075 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1126 transitions. Word has length 84 [2024-10-14 04:00:03,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:03,076 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1126 transitions. [2024-10-14 04:00:03,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1126 transitions. [2024-10-14 04:00:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 04:00:03,082 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:03,082 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] [2024-10-14 04:00:03,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 04:00:03,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:03,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:03,083 INFO L85 PathProgramCache]: Analyzing trace with hash 861830130, now seen corresponding path program 1 times [2024-10-14 04:00:03,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:03,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832906158] [2024-10-14 04:00:03,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:03,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:03,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:03,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832906158] [2024-10-14 04:00:03,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832906158] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:03,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:03,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 04:00:03,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114262626] [2024-10-14 04:00:03,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:03,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 04:00:03,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:03,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 04:00:03,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 04:00:03,306 INFO L87 Difference]: Start difference. First operand 876 states and 1126 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:03,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:03,690 INFO L93 Difference]: Finished difference Result 1445 states and 1914 transitions. [2024-10-14 04:00:03,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 04:00:03,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-14 04:00:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:03,693 INFO L225 Difference]: With dead ends: 1445 [2024-10-14 04:00:03,693 INFO L226 Difference]: Without dead ends: 745 [2024-10-14 04:00:03,694 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 [2024-10-14 04:00:03,695 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 2883 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:03,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2883 Valid, 569 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 04:00:03,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-10-14 04:00:03,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2024-10-14 04:00:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 723 states have (on average 1.3526970954356847) internal successors, (978), 744 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 978 transitions. [2024-10-14 04:00:03,720 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 978 transitions. Word has length 85 [2024-10-14 04:00:03,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:03,721 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 978 transitions. [2024-10-14 04:00:03,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:03,721 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 978 transitions. [2024-10-14 04:00:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 04:00:03,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:03,723 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:03,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 04:00:03,724 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:03,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:03,724 INFO L85 PathProgramCache]: Analyzing trace with hash 139657888, now seen corresponding path program 1 times [2024-10-14 04:00:03,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:03,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901018948] [2024-10-14 04:00:03,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:03,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:03,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:03,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901018948] [2024-10-14 04:00:03,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901018948] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:03,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:03,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 04:00:03,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326127400] [2024-10-14 04:00:03,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:03,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 04:00:03,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:03,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 04:00:03,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 04:00:03,904 INFO L87 Difference]: Start difference. First operand 745 states and 978 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:04,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:04,396 INFO L93 Difference]: Finished difference Result 1314 states and 1765 transitions. [2024-10-14 04:00:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 04:00:04,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-10-14 04:00:04,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:04,398 INFO L225 Difference]: With dead ends: 1314 [2024-10-14 04:00:04,399 INFO L226 Difference]: Without dead ends: 705 [2024-10-14 04:00:04,399 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 [2024-10-14 04:00:04,400 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 2653 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2653 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:04,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2653 Valid, 466 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:00:04,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-10-14 04:00:04,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2024-10-14 04:00:04,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.3601756954612005) internal successors, (929), 704 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 929 transitions. [2024-10-14 04:00:04,411 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 929 transitions. Word has length 86 [2024-10-14 04:00:04,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:04,411 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 929 transitions. [2024-10-14 04:00:04,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:04,412 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 929 transitions. [2024-10-14 04:00:04,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 04:00:04,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:04,414 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:04,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 04:00:04,414 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:04,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:04,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1409043309, now seen corresponding path program 1 times [2024-10-14 04:00:04,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:04,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515339613] [2024-10-14 04:00:04,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:04,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:04,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:04,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515339613] [2024-10-14 04:00:04,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515339613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:04,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:04,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 04:00:04,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966477629] [2024-10-14 04:00:04,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:04,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 04:00:04,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:04,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 04:00:04,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 04:00:04,584 INFO L87 Difference]: Start difference. First operand 705 states and 929 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:04,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:04,942 INFO L93 Difference]: Finished difference Result 1274 states and 1715 transitions. [2024-10-14 04:00:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 04:00:04,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-14 04:00:04,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:04,945 INFO L225 Difference]: With dead ends: 1274 [2024-10-14 04:00:04,945 INFO L226 Difference]: Without dead ends: 667 [2024-10-14 04:00:04,946 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 [2024-10-14 04:00:04,947 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 2568 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2568 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:04,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2568 Valid, 506 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 04:00:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-10-14 04:00:04,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2024-10-14 04:00:04,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 645 states have (on average 1.3736434108527131) internal successors, (886), 666 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 886 transitions. [2024-10-14 04:00:04,956 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 886 transitions. Word has length 87 [2024-10-14 04:00:04,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:04,956 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 886 transitions. [2024-10-14 04:00:04,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 886 transitions. [2024-10-14 04:00:04,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 04:00:04,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:04,958 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:04,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 04:00:04,959 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:04,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:04,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1145590041, now seen corresponding path program 1 times [2024-10-14 04:00:04,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:04,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541352300] [2024-10-14 04:00:04,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:05,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:05,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541352300] [2024-10-14 04:00:05,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541352300] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:05,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:05,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 04:00:05,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876386979] [2024-10-14 04:00:05,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:05,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 04:00:05,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:05,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 04:00:05,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 04:00:05,096 INFO L87 Difference]: Start difference. First operand 667 states and 886 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:05,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:05,419 INFO L93 Difference]: Finished difference Result 1236 states and 1671 transitions. [2024-10-14 04:00:05,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 04:00:05,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-10-14 04:00:05,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:05,422 INFO L225 Difference]: With dead ends: 1236 [2024-10-14 04:00:05,422 INFO L226 Difference]: Without dead ends: 642 [2024-10-14 04:00:05,423 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 [2024-10-14 04:00:05,426 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 2511 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2511 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:05,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2511 Valid, 493 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 04:00:05,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-10-14 04:00:05,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2024-10-14 04:00:05,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3838709677419354) internal successors, (858), 641 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:05,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 858 transitions. [2024-10-14 04:00:05,454 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 858 transitions. Word has length 88 [2024-10-14 04:00:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:05,456 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 858 transitions. [2024-10-14 04:00:05,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 858 transitions. [2024-10-14 04:00:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-14 04:00:05,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:05,458 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:05,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 04:00:05,458 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:05,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:05,459 INFO L85 PathProgramCache]: Analyzing trace with hash -81085098, now seen corresponding path program 1 times [2024-10-14 04:00:05,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:05,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097309455] [2024-10-14 04:00:05,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:05,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:05,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:05,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097309455] [2024-10-14 04:00:05,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097309455] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:05,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:05,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 04:00:05,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215808407] [2024-10-14 04:00:05,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:05,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 04:00:05,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:05,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 04:00:05,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 04:00:05,566 INFO L87 Difference]: Start difference. First operand 642 states and 858 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:05,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:05,911 INFO L93 Difference]: Finished difference Result 1211 states and 1642 transitions. [2024-10-14 04:00:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 04:00:05,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-10-14 04:00:05,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:05,914 INFO L225 Difference]: With dead ends: 1211 [2024-10-14 04:00:05,914 INFO L226 Difference]: Without dead ends: 634 [2024-10-14 04:00:05,915 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 [2024-10-14 04:00:05,915 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 2434 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:05,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2434 Valid, 469 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 04:00:05,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-10-14 04:00:05,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2024-10-14 04:00:05,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3856209150326797) internal successors, (848), 633 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 848 transitions. [2024-10-14 04:00:05,924 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 848 transitions. Word has length 89 [2024-10-14 04:00:05,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:05,925 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 848 transitions. [2024-10-14 04:00:05,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 848 transitions. [2024-10-14 04:00:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 04:00:05,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:05,926 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:05,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 04:00:05,926 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:05,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:05,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1177000506, now seen corresponding path program 1 times [2024-10-14 04:00:05,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:05,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849204788] [2024-10-14 04:00:05,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:05,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:06,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:06,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849204788] [2024-10-14 04:00:06,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849204788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:06,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:06,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 04:00:06,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935297114] [2024-10-14 04:00:06,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:06,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 04:00:06,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:06,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 04:00:06,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 04:00:06,281 INFO L87 Difference]: Start difference. First operand 634 states and 848 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:07,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:07,090 INFO L93 Difference]: Finished difference Result 1196 states and 1557 transitions. [2024-10-14 04:00:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 04:00:07,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-10-14 04:00:07,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:07,094 INFO L225 Difference]: With dead ends: 1196 [2024-10-14 04:00:07,094 INFO L226 Difference]: Without dead ends: 851 [2024-10-14 04:00:07,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-14 04:00:07,096 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 2871 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:07,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 1381 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:07,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-14 04:00:07,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 634. [2024-10-14 04:00:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3839869281045751) internal successors, (847), 633 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 847 transitions. [2024-10-14 04:00:07,106 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 847 transitions. Word has length 90 [2024-10-14 04:00:07,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:07,106 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 847 transitions. [2024-10-14 04:00:07,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 847 transitions. [2024-10-14 04:00:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 04:00:07,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:07,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:07,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 04:00:07,108 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:07,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:07,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1435926047, now seen corresponding path program 1 times [2024-10-14 04:00:07,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:07,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949010009] [2024-10-14 04:00:07,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:07,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:07,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949010009] [2024-10-14 04:00:07,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949010009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:07,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:07,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:07,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045455975] [2024-10-14 04:00:07,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:07,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:07,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:07,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:07,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:07,554 INFO L87 Difference]: Start difference. First operand 634 states and 847 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:08,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:08,667 INFO L93 Difference]: Finished difference Result 1084 states and 1457 transitions. [2024-10-14 04:00:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 04:00:08,668 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-10-14 04:00:08,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:08,675 INFO L225 Difference]: With dead ends: 1084 [2024-10-14 04:00:08,675 INFO L226 Difference]: Without dead ends: 985 [2024-10-14 04:00:08,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2024-10-14 04:00:08,677 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 2245 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2245 SdHoareTripleChecker+Valid, 2755 SdHoareTripleChecker+Invalid, 2298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:08,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2245 Valid, 2755 Invalid, 2298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 04:00:08,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2024-10-14 04:00:08,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 641. [2024-10-14 04:00:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.384491114701131) internal successors, (857), 640 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 857 transitions. [2024-10-14 04:00:08,692 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 857 transitions. Word has length 90 [2024-10-14 04:00:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:08,692 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 857 transitions. [2024-10-14 04:00:08,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 857 transitions. [2024-10-14 04:00:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 04:00:08,693 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:08,693 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:08,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 04:00:08,694 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:08,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:08,694 INFO L85 PathProgramCache]: Analyzing trace with hash 546881237, now seen corresponding path program 1 times [2024-10-14 04:00:08,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:08,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51179326] [2024-10-14 04:00:08,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:08,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:09,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:09,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51179326] [2024-10-14 04:00:09,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51179326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:09,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:09,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:09,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676850963] [2024-10-14 04:00:09,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:09,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:09,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:09,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:09,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:09,006 INFO L87 Difference]: Start difference. First operand 641 states and 857 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:09,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:09,874 INFO L93 Difference]: Finished difference Result 1174 states and 1586 transitions. [2024-10-14 04:00:09,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:09,875 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-10-14 04:00:09,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:09,878 INFO L225 Difference]: With dead ends: 1174 [2024-10-14 04:00:09,878 INFO L226 Difference]: Without dead ends: 982 [2024-10-14 04:00:09,878 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 [2024-10-14 04:00:09,879 INFO L432 NwaCegarLoop]: 922 mSDtfsCounter, 2527 mSDsluCounter, 2375 mSDsCounter, 0 mSdLazyCounter, 2244 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 3297 SdHoareTripleChecker+Invalid, 2247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:09,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 3297 Invalid, 2247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2244 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:09,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2024-10-14 04:00:09,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 634. [2024-10-14 04:00:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3823529411764706) internal successors, (846), 633 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 846 transitions. [2024-10-14 04:00:09,887 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 846 transitions. Word has length 90 [2024-10-14 04:00:09,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:09,888 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 846 transitions. [2024-10-14 04:00:09,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 846 transitions. [2024-10-14 04:00:09,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 04:00:09,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:09,889 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:09,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 04:00:09,889 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:09,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:09,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1452291629, now seen corresponding path program 1 times [2024-10-14 04:00:09,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:09,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125068868] [2024-10-14 04:00:09,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:09,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:10,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:10,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125068868] [2024-10-14 04:00:10,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125068868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:10,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:10,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:10,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986100055] [2024-10-14 04:00:10,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:10,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:10,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:10,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:10,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:10,164 INFO L87 Difference]: Start difference. First operand 634 states and 846 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:10,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:10,926 INFO L93 Difference]: Finished difference Result 1069 states and 1436 transitions. [2024-10-14 04:00:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:10,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-10-14 04:00:10,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:10,930 INFO L225 Difference]: With dead ends: 1069 [2024-10-14 04:00:10,930 INFO L226 Difference]: Without dead ends: 970 [2024-10-14 04:00:10,931 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 [2024-10-14 04:00:10,931 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 3475 mSDsluCounter, 1583 mSDsCounter, 0 mSdLazyCounter, 1650 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3475 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:10,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3475 Valid, 2052 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1650 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:10,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-10-14 04:00:10,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 634. [2024-10-14 04:00:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.380718954248366) internal successors, (845), 633 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:10,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 845 transitions. [2024-10-14 04:00:10,943 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 845 transitions. Word has length 90 [2024-10-14 04:00:10,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:10,943 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 845 transitions. [2024-10-14 04:00:10,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 845 transitions. [2024-10-14 04:00:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 04:00:10,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:10,944 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:10,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 04:00:10,946 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:10,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:10,946 INFO L85 PathProgramCache]: Analyzing trace with hash 280311879, now seen corresponding path program 1 times [2024-10-14 04:00:10,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:10,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998226356] [2024-10-14 04:00:10,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:10,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:11,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:11,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998226356] [2024-10-14 04:00:11,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998226356] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:11,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:11,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:11,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046440052] [2024-10-14 04:00:11,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:11,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:11,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:11,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:11,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:11,205 INFO L87 Difference]: Start difference. First operand 634 states and 845 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:12,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:12,028 INFO L93 Difference]: Finished difference Result 1204 states and 1612 transitions. [2024-10-14 04:00:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:12,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-14 04:00:12,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:12,032 INFO L225 Difference]: With dead ends: 1204 [2024-10-14 04:00:12,032 INFO L226 Difference]: Without dead ends: 982 [2024-10-14 04:00:12,032 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 [2024-10-14 04:00:12,033 INFO L432 NwaCegarLoop]: 674 mSDtfsCounter, 1835 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 2881 SdHoareTripleChecker+Invalid, 2273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:12,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1835 Valid, 2881 Invalid, 2273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:12,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2024-10-14 04:00:12,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 634. [2024-10-14 04:00:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3790849673202614) internal successors, (844), 633 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 844 transitions. [2024-10-14 04:00:12,041 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 844 transitions. Word has length 92 [2024-10-14 04:00:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:12,042 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 844 transitions. [2024-10-14 04:00:12,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 844 transitions. [2024-10-14 04:00:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 04:00:12,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:12,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:12,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 04:00:12,043 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:12,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash 347470600, now seen corresponding path program 1 times [2024-10-14 04:00:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:12,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736619499] [2024-10-14 04:00:12,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:12,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:12,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736619499] [2024-10-14 04:00:12,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736619499] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:12,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:12,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:12,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842359448] [2024-10-14 04:00:12,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:12,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:12,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:12,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:12,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:12,277 INFO L87 Difference]: Start difference. First operand 634 states and 844 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:13,149 INFO L93 Difference]: Finished difference Result 927 states and 1211 transitions. [2024-10-14 04:00:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:13,150 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-14 04:00:13,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:13,153 INFO L225 Difference]: With dead ends: 927 [2024-10-14 04:00:13,153 INFO L226 Difference]: Without dead ends: 922 [2024-10-14 04:00:13,153 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 [2024-10-14 04:00:13,154 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 2294 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:13,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2294 Valid, 1866 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:13,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-14 04:00:13,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 634. [2024-10-14 04:00:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3774509803921569) internal successors, (843), 633 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 843 transitions. [2024-10-14 04:00:13,164 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 843 transitions. Word has length 92 [2024-10-14 04:00:13,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:13,165 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 843 transitions. [2024-10-14 04:00:13,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 843 transitions. [2024-10-14 04:00:13,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 04:00:13,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:13,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:13,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 04:00:13,167 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:13,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:13,167 INFO L85 PathProgramCache]: Analyzing trace with hash -950419438, now seen corresponding path program 1 times [2024-10-14 04:00:13,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:13,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155552439] [2024-10-14 04:00:13,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:13,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:13,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:13,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155552439] [2024-10-14 04:00:13,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155552439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:13,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:13,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:13,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287620353] [2024-10-14 04:00:13,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:13,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:13,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:13,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:13,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:13,393 INFO L87 Difference]: Start difference. First operand 634 states and 843 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:14,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:14,393 INFO L93 Difference]: Finished difference Result 1116 states and 1499 transitions. [2024-10-14 04:00:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:14,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-14 04:00:14,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:14,397 INFO L225 Difference]: With dead ends: 1116 [2024-10-14 04:00:14,397 INFO L226 Difference]: Without dead ends: 978 [2024-10-14 04:00:14,397 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 [2024-10-14 04:00:14,398 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 2590 mSDsluCounter, 2368 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2590 SdHoareTripleChecker+Valid, 3093 SdHoareTripleChecker+Invalid, 2418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:14,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 3093 Invalid, 2418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 04:00:14,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-10-14 04:00:14,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 634. [2024-10-14 04:00:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3758169934640523) internal successors, (842), 633 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 842 transitions. [2024-10-14 04:00:14,429 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 842 transitions. Word has length 92 [2024-10-14 04:00:14,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:14,429 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 842 transitions. [2024-10-14 04:00:14,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 842 transitions. [2024-10-14 04:00:14,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 04:00:14,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:14,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:14,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 04:00:14,432 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:14,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:14,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1340210149, now seen corresponding path program 1 times [2024-10-14 04:00:14,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:14,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425117627] [2024-10-14 04:00:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:14,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:14,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:14,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425117627] [2024-10-14 04:00:14,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425117627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:14,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:14,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:14,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703280203] [2024-10-14 04:00:14,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:14,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:14,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:14,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:14,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:14,657 INFO L87 Difference]: Start difference. First operand 634 states and 842 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:15,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:15,394 INFO L93 Difference]: Finished difference Result 1001 states and 1319 transitions. [2024-10-14 04:00:15,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:15,395 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-14 04:00:15,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:15,397 INFO L225 Difference]: With dead ends: 1001 [2024-10-14 04:00:15,397 INFO L226 Difference]: Without dead ends: 922 [2024-10-14 04:00:15,398 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 [2024-10-14 04:00:15,399 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 3452 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3452 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:15,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3452 Valid, 1866 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1592 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:15,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-14 04:00:15,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 634. [2024-10-14 04:00:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3741830065359477) internal successors, (841), 633 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 841 transitions. [2024-10-14 04:00:15,408 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 841 transitions. Word has length 92 [2024-10-14 04:00:15,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:15,409 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 841 transitions. [2024-10-14 04:00:15,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 841 transitions. [2024-10-14 04:00:15,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 04:00:15,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:15,410 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:15,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 04:00:15,411 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:15,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:15,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2065712337, now seen corresponding path program 1 times [2024-10-14 04:00:15,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:15,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607176124] [2024-10-14 04:00:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:15,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:15,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:15,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607176124] [2024-10-14 04:00:15,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607176124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:15,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:15,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:15,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611262477] [2024-10-14 04:00:15,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:15,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:15,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:15,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:15,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:15,861 INFO L87 Difference]: Start difference. First operand 634 states and 841 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:17,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:17,351 INFO L93 Difference]: Finished difference Result 1418 states and 1945 transitions. [2024-10-14 04:00:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:00:17,351 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-14 04:00:17,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:17,354 INFO L225 Difference]: With dead ends: 1418 [2024-10-14 04:00:17,354 INFO L226 Difference]: Without dead ends: 1280 [2024-10-14 04:00:17,354 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 [2024-10-14 04:00:17,355 INFO L432 NwaCegarLoop]: 707 mSDtfsCounter, 5336 mSDsluCounter, 3282 mSDsCounter, 0 mSdLazyCounter, 3273 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5336 SdHoareTripleChecker+Valid, 3989 SdHoareTripleChecker+Invalid, 3470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 3273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:17,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5336 Valid, 3989 Invalid, 3470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 3273 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 04:00:17,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2024-10-14 04:00:17,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 638. [2024-10-14 04:00:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3717532467532467) internal successors, (845), 637 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:17,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 845 transitions. [2024-10-14 04:00:17,362 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 845 transitions. Word has length 92 [2024-10-14 04:00:17,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:17,362 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 845 transitions. [2024-10-14 04:00:17,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 845 transitions. [2024-10-14 04:00:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 04:00:17,364 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:17,364 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:17,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 04:00:17,364 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:17,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:17,364 INFO L85 PathProgramCache]: Analyzing trace with hash -587338309, now seen corresponding path program 1 times [2024-10-14 04:00:17,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:17,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488250888] [2024-10-14 04:00:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:17,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:17,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:17,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488250888] [2024-10-14 04:00:17,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488250888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:17,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:17,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:17,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285077505] [2024-10-14 04:00:17,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:17,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:17,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:17,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:17,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:17,600 INFO L87 Difference]: Start difference. First operand 638 states and 845 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:18,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:18,359 INFO L93 Difference]: Finished difference Result 931 states and 1210 transitions. [2024-10-14 04:00:18,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:18,359 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-14 04:00:18,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:18,361 INFO L225 Difference]: With dead ends: 931 [2024-10-14 04:00:18,361 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:18,362 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 [2024-10-14 04:00:18,362 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 3447 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 1587 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3447 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:18,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3447 Valid, 1866 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:18,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:18,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 638. [2024-10-14 04:00:18,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.37012987012987) internal successors, (844), 637 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:18,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 844 transitions. [2024-10-14 04:00:18,370 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 844 transitions. Word has length 92 [2024-10-14 04:00:18,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:18,370 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 844 transitions. [2024-10-14 04:00:18,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:18,370 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 844 transitions. [2024-10-14 04:00:18,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 04:00:18,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:18,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:18,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 04:00:18,372 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:18,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:18,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1856213353, now seen corresponding path program 1 times [2024-10-14 04:00:18,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:18,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855287499] [2024-10-14 04:00:18,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:18,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:18,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:18,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855287499] [2024-10-14 04:00:18,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855287499] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:18,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:18,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:18,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398983802] [2024-10-14 04:00:18,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:18,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:18,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:18,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:18,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:18,661 INFO L87 Difference]: Start difference. First operand 638 states and 844 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:19,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:19,467 INFO L93 Difference]: Finished difference Result 1040 states and 1381 transitions. [2024-10-14 04:00:19,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:19,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-14 04:00:19,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:19,469 INFO L225 Difference]: With dead ends: 1040 [2024-10-14 04:00:19,469 INFO L226 Difference]: Without dead ends: 958 [2024-10-14 04:00:19,470 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 [2024-10-14 04:00:19,470 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 2180 mSDsluCounter, 1586 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 2064 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:19,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 2064 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:19,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-10-14 04:00:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 638. [2024-10-14 04:00:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3685064935064934) internal successors, (843), 637 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 843 transitions. [2024-10-14 04:00:19,477 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 843 transitions. Word has length 92 [2024-10-14 04:00:19,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:19,477 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 843 transitions. [2024-10-14 04:00:19,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 843 transitions. [2024-10-14 04:00:19,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 04:00:19,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:19,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:19,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 04:00:19,479 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:19,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:19,480 INFO L85 PathProgramCache]: Analyzing trace with hash -98755353, now seen corresponding path program 1 times [2024-10-14 04:00:19,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:19,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894865557] [2024-10-14 04:00:19,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:19,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:19,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894865557] [2024-10-14 04:00:19,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894865557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:19,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:19,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:19,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928329242] [2024-10-14 04:00:19,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:19,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:19,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:19,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:19,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:19,714 INFO L87 Difference]: Start difference. First operand 638 states and 843 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:20,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:20,620 INFO L93 Difference]: Finished difference Result 1067 states and 1425 transitions. [2024-10-14 04:00:20,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:20,620 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-10-14 04:00:20,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:20,623 INFO L225 Difference]: With dead ends: 1067 [2024-10-14 04:00:20,623 INFO L226 Difference]: Without dead ends: 974 [2024-10-14 04:00:20,623 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 [2024-10-14 04:00:20,623 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 2561 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 2786 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:20,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 2786 Invalid, 2109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:20,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-10-14 04:00:20,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 638. [2024-10-14 04:00:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3668831168831168) internal successors, (842), 637 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 842 transitions. [2024-10-14 04:00:20,631 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 842 transitions. Word has length 92 [2024-10-14 04:00:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:20,631 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 842 transitions. [2024-10-14 04:00:20,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 842 transitions. [2024-10-14 04:00:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 04:00:20,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:20,633 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] [2024-10-14 04:00:20,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 04:00:20,633 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:20,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:20,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1488242838, now seen corresponding path program 1 times [2024-10-14 04:00:20,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:20,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649830371] [2024-10-14 04:00:20,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:20,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:20,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649830371] [2024-10-14 04:00:20,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649830371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:20,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:20,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:20,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140110346] [2024-10-14 04:00:20,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:20,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:20,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:20,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:20,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:20,869 INFO L87 Difference]: Start difference. First operand 638 states and 842 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:21,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:21,822 INFO L93 Difference]: Finished difference Result 1116 states and 1495 transitions. [2024-10-14 04:00:21,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:21,823 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-14 04:00:21,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:21,825 INFO L225 Difference]: With dead ends: 1116 [2024-10-14 04:00:21,825 INFO L226 Difference]: Without dead ends: 978 [2024-10-14 04:00:21,826 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 [2024-10-14 04:00:21,826 INFO L432 NwaCegarLoop]: 722 mSDtfsCounter, 2574 mSDsluCounter, 2356 mSDsCounter, 0 mSdLazyCounter, 2397 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 3078 SdHoareTripleChecker+Invalid, 2400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:21,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 3078 Invalid, 2400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2397 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:21,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-10-14 04:00:21,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 634. [2024-10-14 04:00:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3676470588235294) internal successors, (837), 633 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:21,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 837 transitions. [2024-10-14 04:00:21,833 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 837 transitions. Word has length 93 [2024-10-14 04:00:21,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:21,833 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 837 transitions. [2024-10-14 04:00:21,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 837 transitions. [2024-10-14 04:00:21,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:21,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:21,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:21,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 04:00:21,835 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:21,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:21,835 INFO L85 PathProgramCache]: Analyzing trace with hash 514536132, now seen corresponding path program 1 times [2024-10-14 04:00:21,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:21,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49640183] [2024-10-14 04:00:21,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:22,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:22,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49640183] [2024-10-14 04:00:22,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49640183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:22,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:22,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:22,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027121936] [2024-10-14 04:00:22,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:22,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:22,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:22,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:22,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:22,053 INFO L87 Difference]: Start difference. First operand 634 states and 837 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:22,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:22,805 INFO L93 Difference]: Finished difference Result 1078 states and 1433 transitions. [2024-10-14 04:00:22,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:22,810 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:22,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:22,813 INFO L225 Difference]: With dead ends: 1078 [2024-10-14 04:00:22,813 INFO L226 Difference]: Without dead ends: 970 [2024-10-14 04:00:22,820 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 [2024-10-14 04:00:22,821 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 3105 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3105 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:22,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3105 Valid, 2431 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:22,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-10-14 04:00:22,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 634. [2024-10-14 04:00:22,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3660130718954249) internal successors, (836), 633 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 836 transitions. [2024-10-14 04:00:22,833 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 836 transitions. Word has length 94 [2024-10-14 04:00:22,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:22,833 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 836 transitions. [2024-10-14 04:00:22,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:22,833 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 836 transitions. [2024-10-14 04:00:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:22,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:22,834 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:22,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 04:00:22,836 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:22,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:22,836 INFO L85 PathProgramCache]: Analyzing trace with hash 105690904, now seen corresponding path program 1 times [2024-10-14 04:00:22,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:22,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729671471] [2024-10-14 04:00:22,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:22,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:23,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:23,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729671471] [2024-10-14 04:00:23,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729671471] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:23,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:23,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:23,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703869416] [2024-10-14 04:00:23,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:23,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:23,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:23,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:23,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:23,084 INFO L87 Difference]: Start difference. First operand 634 states and 836 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:23,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:23,756 INFO L93 Difference]: Finished difference Result 1001 states and 1311 transitions. [2024-10-14 04:00:23,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:23,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:23,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:23,759 INFO L225 Difference]: With dead ends: 1001 [2024-10-14 04:00:23,759 INFO L226 Difference]: Without dead ends: 922 [2024-10-14 04:00:23,759 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 [2024-10-14 04:00:23,760 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 3401 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 1593 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3401 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:23,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3401 Valid, 1886 Invalid, 1597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1593 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:23,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-14 04:00:23,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 634. [2024-10-14 04:00:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3643790849673203) internal successors, (835), 633 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:23,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 835 transitions. [2024-10-14 04:00:23,767 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 835 transitions. Word has length 94 [2024-10-14 04:00:23,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:23,768 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 835 transitions. [2024-10-14 04:00:23,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 835 transitions. [2024-10-14 04:00:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:23,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:23,769 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:23,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 04:00:23,769 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:23,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:23,770 INFO L85 PathProgramCache]: Analyzing trace with hash 909968804, now seen corresponding path program 1 times [2024-10-14 04:00:23,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:23,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737561125] [2024-10-14 04:00:23,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:23,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:24,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:24,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737561125] [2024-10-14 04:00:24,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737561125] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:24,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:24,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:24,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111787245] [2024-10-14 04:00:24,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:24,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:24,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:24,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:24,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:24,036 INFO L87 Difference]: Start difference. First operand 634 states and 835 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:24,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:24,769 INFO L93 Difference]: Finished difference Result 1131 states and 1503 transitions. [2024-10-14 04:00:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:24,770 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:24,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:24,772 INFO L225 Difference]: With dead ends: 1131 [2024-10-14 04:00:24,772 INFO L226 Difference]: Without dead ends: 978 [2024-10-14 04:00:24,773 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 [2024-10-14 04:00:24,773 INFO L432 NwaCegarLoop]: 812 mSDtfsCounter, 2489 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 3034 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:24,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 3034 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2039 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:24,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-10-14 04:00:24,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 634. [2024-10-14 04:00:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3627450980392157) internal successors, (834), 633 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 834 transitions. [2024-10-14 04:00:24,781 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 834 transitions. Word has length 94 [2024-10-14 04:00:24,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:24,781 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 834 transitions. [2024-10-14 04:00:24,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 834 transitions. [2024-10-14 04:00:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:24,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:24,783 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:24,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 04:00:24,783 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:24,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:24,783 INFO L85 PathProgramCache]: Analyzing trace with hash -2106541419, now seen corresponding path program 1 times [2024-10-14 04:00:24,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:24,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550532077] [2024-10-14 04:00:24,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:24,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:25,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:25,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550532077] [2024-10-14 04:00:25,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550532077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:25,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:25,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:25,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19991821] [2024-10-14 04:00:25,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:25,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:25,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:25,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:25,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:25,054 INFO L87 Difference]: Start difference. First operand 634 states and 834 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:25,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:25,953 INFO L93 Difference]: Finished difference Result 1069 states and 1420 transitions. [2024-10-14 04:00:25,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:25,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:25,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:25,957 INFO L225 Difference]: With dead ends: 1069 [2024-10-14 04:00:25,957 INFO L226 Difference]: Without dead ends: 970 [2024-10-14 04:00:25,957 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 [2024-10-14 04:00:25,958 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 2541 mSDsluCounter, 2568 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2541 SdHoareTripleChecker+Valid, 3293 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:25,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 3293 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2302 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:25,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-10-14 04:00:25,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 634. [2024-10-14 04:00:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3611111111111112) internal successors, (833), 633 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 833 transitions. [2024-10-14 04:00:25,968 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 833 transitions. Word has length 94 [2024-10-14 04:00:25,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:25,968 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 833 transitions. [2024-10-14 04:00:25,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 833 transitions. [2024-10-14 04:00:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:25,970 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:25,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:25,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 04:00:25,972 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:25,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:25,972 INFO L85 PathProgramCache]: Analyzing trace with hash 556568795, now seen corresponding path program 1 times [2024-10-14 04:00:25,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:25,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811253960] [2024-10-14 04:00:25,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:25,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:26,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:26,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811253960] [2024-10-14 04:00:26,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811253960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:26,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:26,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:26,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887893447] [2024-10-14 04:00:26,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:26,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:26,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:26,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:26,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:26,253 INFO L87 Difference]: Start difference. First operand 634 states and 833 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:27,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:27,028 INFO L93 Difference]: Finished difference Result 1036 states and 1370 transitions. [2024-10-14 04:00:27,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:27,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:27,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:27,031 INFO L225 Difference]: With dead ends: 1036 [2024-10-14 04:00:27,031 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:27,032 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 [2024-10-14 04:00:27,032 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 2582 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:27,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 2837 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:27,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:00:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3594771241830066) internal successors, (832), 633 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 832 transitions. [2024-10-14 04:00:27,041 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 832 transitions. Word has length 94 [2024-10-14 04:00:27,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:27,041 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 832 transitions. [2024-10-14 04:00:27,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 832 transitions. [2024-10-14 04:00:27,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:27,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:27,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:27,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 04:00:27,043 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:27,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:27,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2039186161, now seen corresponding path program 1 times [2024-10-14 04:00:27,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:27,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302307687] [2024-10-14 04:00:27,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:27,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:27,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:27,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302307687] [2024-10-14 04:00:27,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302307687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:27,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:27,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:27,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230213605] [2024-10-14 04:00:27,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:27,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:27,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:27,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:27,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:27,276 INFO L87 Difference]: Start difference. First operand 634 states and 832 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:28,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:28,055 INFO L93 Difference]: Finished difference Result 1040 states and 1372 transitions. [2024-10-14 04:00:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:28,056 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:28,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:28,058 INFO L225 Difference]: With dead ends: 1040 [2024-10-14 04:00:28,058 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:28,058 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 [2024-10-14 04:00:28,059 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 2578 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:28,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 2837 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:28,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:28,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:00:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.357843137254902) internal successors, (831), 633 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 831 transitions. [2024-10-14 04:00:28,066 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 831 transitions. Word has length 94 [2024-10-14 04:00:28,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:28,068 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 831 transitions. [2024-10-14 04:00:28,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:28,068 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 831 transitions. [2024-10-14 04:00:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:28,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:28,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:28,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 04:00:28,070 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:28,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:28,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1846935907, now seen corresponding path program 1 times [2024-10-14 04:00:28,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:28,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661419032] [2024-10-14 04:00:28,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:28,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:28,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:28,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661419032] [2024-10-14 04:00:28,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661419032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:28,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:28,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:28,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032569327] [2024-10-14 04:00:28,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:28,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:28,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:28,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:28,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:28,251 INFO L87 Difference]: Start difference. First operand 634 states and 831 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:28,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:28,958 INFO L93 Difference]: Finished difference Result 1078 states and 1424 transitions. [2024-10-14 04:00:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:28,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:28,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:28,961 INFO L225 Difference]: With dead ends: 1078 [2024-10-14 04:00:28,961 INFO L226 Difference]: Without dead ends: 970 [2024-10-14 04:00:28,962 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 [2024-10-14 04:00:28,962 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 1897 mSDsluCounter, 2039 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 2660 SdHoareTripleChecker+Invalid, 2020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:28,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 2660 Invalid, 2020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2016 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:28,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-10-14 04:00:28,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 634. [2024-10-14 04:00:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3562091503267975) internal successors, (830), 633 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 830 transitions. [2024-10-14 04:00:28,969 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 830 transitions. Word has length 94 [2024-10-14 04:00:28,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:28,969 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 830 transitions. [2024-10-14 04:00:28,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 830 transitions. [2024-10-14 04:00:28,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:28,970 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:28,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:28,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 04:00:28,971 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:28,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:28,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1204221916, now seen corresponding path program 1 times [2024-10-14 04:00:28,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:28,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555657085] [2024-10-14 04:00:28,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:28,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:29,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:29,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555657085] [2024-10-14 04:00:29,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555657085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:29,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:29,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:29,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422148592] [2024-10-14 04:00:29,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:29,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:29,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:29,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:29,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:29,188 INFO L87 Difference]: Start difference. First operand 634 states and 830 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:29,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:29,972 INFO L93 Difference]: Finished difference Result 1069 states and 1415 transitions. [2024-10-14 04:00:29,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:29,973 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:29,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:29,975 INFO L225 Difference]: With dead ends: 1069 [2024-10-14 04:00:29,975 INFO L226 Difference]: Without dead ends: 970 [2024-10-14 04:00:29,975 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 [2024-10-14 04:00:29,976 INFO L432 NwaCegarLoop]: 724 mSDtfsCounter, 2489 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 2780 SdHoareTripleChecker+Invalid, 1899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:29,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 2780 Invalid, 1899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:29,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-10-14 04:00:29,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 634. [2024-10-14 04:00:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3545751633986929) internal successors, (829), 633 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:29,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 829 transitions. [2024-10-14 04:00:29,982 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 829 transitions. Word has length 94 [2024-10-14 04:00:29,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:29,983 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 829 transitions. [2024-10-14 04:00:29,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:29,983 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 829 transitions. [2024-10-14 04:00:29,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:29,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:29,984 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:29,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 04:00:29,984 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:29,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:29,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2102424565, now seen corresponding path program 1 times [2024-10-14 04:00:29,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:29,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936030635] [2024-10-14 04:00:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:29,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:30,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:30,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936030635] [2024-10-14 04:00:30,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936030635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:30,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:30,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:30,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618721761] [2024-10-14 04:00:30,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:30,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:30,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:30,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:30,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:30,169 INFO L87 Difference]: Start difference. First operand 634 states and 829 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:30,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:30,902 INFO L93 Difference]: Finished difference Result 1036 states and 1366 transitions. [2024-10-14 04:00:30,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:30,902 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:30,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:30,905 INFO L225 Difference]: With dead ends: 1036 [2024-10-14 04:00:30,905 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:30,905 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 [2024-10-14 04:00:30,905 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 1965 mSDsluCounter, 1898 mSDsCounter, 0 mSdLazyCounter, 1927 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 2480 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:30,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 2480 Invalid, 1931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1927 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:30,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:30,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:00:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3529411764705883) internal successors, (828), 633 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 828 transitions. [2024-10-14 04:00:30,912 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 828 transitions. Word has length 94 [2024-10-14 04:00:30,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:30,912 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 828 transitions. [2024-10-14 04:00:30,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:30,913 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 828 transitions. [2024-10-14 04:00:30,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:30,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:30,914 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:30,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 04:00:30,914 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:30,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:30,914 INFO L85 PathProgramCache]: Analyzing trace with hash -210482352, now seen corresponding path program 1 times [2024-10-14 04:00:30,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:30,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369017280] [2024-10-14 04:00:30,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:30,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:31,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:31,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369017280] [2024-10-14 04:00:31,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369017280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:31,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:31,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:31,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796694158] [2024-10-14 04:00:31,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:31,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:31,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:31,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:31,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:31,108 INFO L87 Difference]: Start difference. First operand 634 states and 828 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:31,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:31,969 INFO L93 Difference]: Finished difference Result 1078 states and 1422 transitions. [2024-10-14 04:00:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:31,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:31,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:31,972 INFO L225 Difference]: With dead ends: 1078 [2024-10-14 04:00:31,972 INFO L226 Difference]: Without dead ends: 970 [2024-10-14 04:00:31,972 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 [2024-10-14 04:00:31,973 INFO L432 NwaCegarLoop]: 811 mSDtfsCounter, 1709 mSDsluCounter, 2706 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 3517 SdHoareTripleChecker+Invalid, 2410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:31,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1709 Valid, 3517 Invalid, 2410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2407 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:31,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-10-14 04:00:31,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 634. [2024-10-14 04:00:31,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3513071895424837) internal successors, (827), 633 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:31,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 827 transitions. [2024-10-14 04:00:31,981 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 827 transitions. Word has length 94 [2024-10-14 04:00:31,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:31,981 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 827 transitions. [2024-10-14 04:00:31,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:31,981 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 827 transitions. [2024-10-14 04:00:31,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:31,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:31,982 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:31,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 04:00:31,982 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:31,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:31,983 INFO L85 PathProgramCache]: Analyzing trace with hash -619327580, now seen corresponding path program 1 times [2024-10-14 04:00:31,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:31,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718938610] [2024-10-14 04:00:31,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:31,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:32,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:32,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:32,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718938610] [2024-10-14 04:00:32,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718938610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:32,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:32,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:32,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261105548] [2024-10-14 04:00:32,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:32,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:32,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:32,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:32,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:32,185 INFO L87 Difference]: Start difference. First operand 634 states and 827 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:33,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:33,058 INFO L93 Difference]: Finished difference Result 1040 states and 1368 transitions. [2024-10-14 04:00:33,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:33,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:33,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:33,060 INFO L225 Difference]: With dead ends: 1040 [2024-10-14 04:00:33,060 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:33,061 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 [2024-10-14 04:00:33,062 INFO L432 NwaCegarLoop]: 793 mSDtfsCounter, 2556 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 3413 SdHoareTripleChecker+Invalid, 2380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:33,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 3413 Invalid, 2380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2377 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:33,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:33,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:00:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3496732026143792) internal successors, (826), 633 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:33,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 826 transitions. [2024-10-14 04:00:33,068 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 826 transitions. Word has length 94 [2024-10-14 04:00:33,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:33,068 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 826 transitions. [2024-10-14 04:00:33,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:33,069 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 826 transitions. [2024-10-14 04:00:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:33,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:33,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:33,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 04:00:33,070 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:33,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:33,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1484555531, now seen corresponding path program 1 times [2024-10-14 04:00:33,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:33,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511295772] [2024-10-14 04:00:33,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:33,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:33,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:33,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511295772] [2024-10-14 04:00:33,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511295772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:33,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:33,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:33,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722166895] [2024-10-14 04:00:33,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:33,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:33,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:33,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:33,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:33,283 INFO L87 Difference]: Start difference. First operand 634 states and 826 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:34,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:34,119 INFO L93 Difference]: Finished difference Result 1101 states and 1458 transitions. [2024-10-14 04:00:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:34,120 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:34,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:34,122 INFO L225 Difference]: With dead ends: 1101 [2024-10-14 04:00:34,122 INFO L226 Difference]: Without dead ends: 978 [2024-10-14 04:00:34,122 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 [2024-10-14 04:00:34,122 INFO L432 NwaCegarLoop]: 812 mSDtfsCounter, 2505 mSDsluCounter, 2772 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2505 SdHoareTripleChecker+Valid, 3584 SdHoareTripleChecker+Invalid, 2354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:34,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2505 Valid, 3584 Invalid, 2354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2350 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:34,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-10-14 04:00:34,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 634. [2024-10-14 04:00:34,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3480392156862746) internal successors, (825), 633 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 825 transitions. [2024-10-14 04:00:34,128 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 825 transitions. Word has length 94 [2024-10-14 04:00:34,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:34,129 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 825 transitions. [2024-10-14 04:00:34,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:34,129 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 825 transitions. [2024-10-14 04:00:34,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:34,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:34,130 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:34,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 04:00:34,130 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:34,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:34,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1893494246, now seen corresponding path program 1 times [2024-10-14 04:00:34,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:34,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044062418] [2024-10-14 04:00:34,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:34,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:34,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:34,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044062418] [2024-10-14 04:00:34,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044062418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:34,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:34,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:34,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530849925] [2024-10-14 04:00:34,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:34,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:34,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:34,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:34,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:34,318 INFO L87 Difference]: Start difference. First operand 634 states and 825 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:35,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:35,049 INFO L93 Difference]: Finished difference Result 1036 states and 1362 transitions. [2024-10-14 04:00:35,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:35,049 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:35,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:35,051 INFO L225 Difference]: With dead ends: 1036 [2024-10-14 04:00:35,051 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:35,051 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 [2024-10-14 04:00:35,051 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 1916 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:35,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1916 Valid, 2553 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:35,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:00:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.34640522875817) internal successors, (824), 633 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 824 transitions. [2024-10-14 04:00:35,058 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 824 transitions. Word has length 94 [2024-10-14 04:00:35,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:35,058 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 824 transitions. [2024-10-14 04:00:35,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 824 transitions. [2024-10-14 04:00:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:35,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:35,059 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:35,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-14 04:00:35,059 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:35,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:35,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1723188937, now seen corresponding path program 1 times [2024-10-14 04:00:35,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:35,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914648315] [2024-10-14 04:00:35,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:35,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:35,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:35,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914648315] [2024-10-14 04:00:35,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914648315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:35,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:35,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:35,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997070066] [2024-10-14 04:00:35,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:35,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:35,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:35,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:35,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:35,239 INFO L87 Difference]: Start difference. First operand 634 states and 824 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:35,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:35,962 INFO L93 Difference]: Finished difference Result 1034 states and 1358 transitions. [2024-10-14 04:00:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:35,963 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 04:00:35,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:35,965 INFO L225 Difference]: With dead ends: 1034 [2024-10-14 04:00:35,965 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:35,965 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 [2024-10-14 04:00:35,965 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 2879 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 1971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:35,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2879 Valid, 2568 Invalid, 1971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:35,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:00:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3447712418300655) internal successors, (823), 633 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 823 transitions. [2024-10-14 04:00:35,972 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 823 transitions. Word has length 94 [2024-10-14 04:00:35,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:35,972 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 823 transitions. [2024-10-14 04:00:35,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:35,973 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 823 transitions. [2024-10-14 04:00:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:35,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:35,974 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:35,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-14 04:00:35,974 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:35,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:35,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1766740068, now seen corresponding path program 1 times [2024-10-14 04:00:35,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:35,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018410255] [2024-10-14 04:00:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:35,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:36,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:36,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018410255] [2024-10-14 04:00:36,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018410255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:36,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:36,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:36,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845252169] [2024-10-14 04:00:36,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:36,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:36,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:36,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:36,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:36,203 INFO L87 Difference]: Start difference. First operand 634 states and 823 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:36,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:36,956 INFO L93 Difference]: Finished difference Result 998 states and 1294 transitions. [2024-10-14 04:00:36,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:36,956 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:36,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:36,958 INFO L225 Difference]: With dead ends: 998 [2024-10-14 04:00:36,958 INFO L226 Difference]: Without dead ends: 922 [2024-10-14 04:00:36,958 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 [2024-10-14 04:00:36,958 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 2650 mSDsluCounter, 1995 mSDsCounter, 0 mSdLazyCounter, 1958 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 2507 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:36,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 2507 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1958 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:36,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-14 04:00:36,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 634. [2024-10-14 04:00:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3431372549019607) internal successors, (822), 633 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 822 transitions. [2024-10-14 04:00:36,965 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 822 transitions. Word has length 96 [2024-10-14 04:00:36,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:36,965 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 822 transitions. [2024-10-14 04:00:36,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 822 transitions. [2024-10-14 04:00:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:36,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:36,966 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:36,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 04:00:36,967 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:36,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:36,967 INFO L85 PathProgramCache]: Analyzing trace with hash -854297767, now seen corresponding path program 1 times [2024-10-14 04:00:36,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:36,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748283983] [2024-10-14 04:00:36,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:36,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:37,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:37,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748283983] [2024-10-14 04:00:37,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748283983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:37,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:37,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:37,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252744890] [2024-10-14 04:00:37,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:37,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:37,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:37,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:37,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:37,191 INFO L87 Difference]: Start difference. First operand 634 states and 822 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:38,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:38,031 INFO L93 Difference]: Finished difference Result 1040 states and 1361 transitions. [2024-10-14 04:00:38,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:38,032 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:38,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:38,033 INFO L225 Difference]: With dead ends: 1040 [2024-10-14 04:00:38,033 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:38,034 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 [2024-10-14 04:00:38,034 INFO L432 NwaCegarLoop]: 788 mSDtfsCounter, 2540 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2540 SdHoareTripleChecker+Valid, 3396 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:38,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2540 Valid, 3396 Invalid, 2355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2352 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:38,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:38,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:00:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.341503267973856) internal successors, (821), 633 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 821 transitions. [2024-10-14 04:00:38,040 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 821 transitions. Word has length 96 [2024-10-14 04:00:38,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:38,040 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 821 transitions. [2024-10-14 04:00:38,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 821 transitions. [2024-10-14 04:00:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:38,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:38,041 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:38,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-14 04:00:38,041 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:38,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:38,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1255893419, now seen corresponding path program 1 times [2024-10-14 04:00:38,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:38,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824677013] [2024-10-14 04:00:38,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:38,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:38,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:38,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:38,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824677013] [2024-10-14 04:00:38,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824677013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:38,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:38,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:38,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318138593] [2024-10-14 04:00:38,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:38,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:38,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:38,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:38,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:38,259 INFO L87 Difference]: Start difference. First operand 634 states and 821 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:39,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:39,012 INFO L93 Difference]: Finished difference Result 1001 states and 1295 transitions. [2024-10-14 04:00:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:39,013 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:39,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:39,015 INFO L225 Difference]: With dead ends: 1001 [2024-10-14 04:00:39,015 INFO L226 Difference]: Without dead ends: 922 [2024-10-14 04:00:39,015 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 [2024-10-14 04:00:39,016 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 2641 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2641 SdHoareTripleChecker+Valid, 2550 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:39,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2641 Valid, 2550 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:39,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-14 04:00:39,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 634. [2024-10-14 04:00:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3398692810457515) internal successors, (820), 633 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 820 transitions. [2024-10-14 04:00:39,023 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 820 transitions. Word has length 96 [2024-10-14 04:00:39,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:39,024 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 820 transitions. [2024-10-14 04:00:39,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 820 transitions. [2024-10-14 04:00:39,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:39,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:39,025 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:39,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 04:00:39,025 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:39,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:39,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1126876775, now seen corresponding path program 1 times [2024-10-14 04:00:39,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:39,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910999429] [2024-10-14 04:00:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:39,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:39,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:39,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910999429] [2024-10-14 04:00:39,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910999429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:39,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:39,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:39,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15182091] [2024-10-14 04:00:39,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:39,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:39,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:39,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:39,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:39,252 INFO L87 Difference]: Start difference. First operand 634 states and 820 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:40,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:40,026 INFO L93 Difference]: Finished difference Result 1045 states and 1363 transitions. [2024-10-14 04:00:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:40,027 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:40,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:40,028 INFO L225 Difference]: With dead ends: 1045 [2024-10-14 04:00:40,028 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:40,029 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 [2024-10-14 04:00:40,029 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 2864 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2864 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 1957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:40,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2864 Valid, 2553 Invalid, 1957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:40,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:40,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:00:40,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.338235294117647) internal successors, (819), 633 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 819 transitions. [2024-10-14 04:00:40,035 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 819 transitions. Word has length 96 [2024-10-14 04:00:40,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:40,035 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 819 transitions. [2024-10-14 04:00:40,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 819 transitions. [2024-10-14 04:00:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:40,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:40,036 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:40,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-14 04:00:40,037 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:40,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:40,037 INFO L85 PathProgramCache]: Analyzing trace with hash 443260260, now seen corresponding path program 1 times [2024-10-14 04:00:40,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:40,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422387053] [2024-10-14 04:00:40,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:40,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:40,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:40,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422387053] [2024-10-14 04:00:40,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422387053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:40,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:40,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:40,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049977506] [2024-10-14 04:00:40,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:40,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:40,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:40,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:40,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:40,226 INFO L87 Difference]: Start difference. First operand 634 states and 819 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:40,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:40,932 INFO L93 Difference]: Finished difference Result 1001 states and 1293 transitions. [2024-10-14 04:00:40,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:40,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:40,933 INFO L225 Difference]: With dead ends: 1001 [2024-10-14 04:00:40,933 INFO L226 Difference]: Without dead ends: 922 [2024-10-14 04:00:40,934 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 [2024-10-14 04:00:40,934 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 1850 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 1969 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 2612 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:40,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1850 Valid, 2612 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1969 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-14 04:00:40,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 634. [2024-10-14 04:00:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3366013071895424) internal successors, (818), 633 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 818 transitions. [2024-10-14 04:00:40,940 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 818 transitions. Word has length 96 [2024-10-14 04:00:40,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:40,940 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 818 transitions. [2024-10-14 04:00:40,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:40,940 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 818 transitions. [2024-10-14 04:00:40,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:40,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:40,941 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:40,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-14 04:00:40,941 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:40,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:40,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1939509934, now seen corresponding path program 1 times [2024-10-14 04:00:40,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:40,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484195002] [2024-10-14 04:00:40,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:40,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:41,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:41,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484195002] [2024-10-14 04:00:41,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484195002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:41,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:41,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:41,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981790351] [2024-10-14 04:00:41,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:41,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:41,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:41,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:41,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:41,130 INFO L87 Difference]: Start difference. First operand 634 states and 818 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:41,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:41,821 INFO L93 Difference]: Finished difference Result 1045 states and 1360 transitions. [2024-10-14 04:00:41,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:41,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:41,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:41,823 INFO L225 Difference]: With dead ends: 1045 [2024-10-14 04:00:41,823 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:41,824 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 [2024-10-14 04:00:41,824 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 2858 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:41,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2858 Valid, 2568 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:41,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:41,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:00:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3349673202614378) internal successors, (817), 633 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:41,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 817 transitions. [2024-10-14 04:00:41,831 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 817 transitions. Word has length 96 [2024-10-14 04:00:41,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:41,831 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 817 transitions. [2024-10-14 04:00:41,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:41,831 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 817 transitions. [2024-10-14 04:00:41,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:41,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:41,832 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:41,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-14 04:00:41,832 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:41,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:41,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1544761606, now seen corresponding path program 1 times [2024-10-14 04:00:41,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:41,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930507839] [2024-10-14 04:00:41,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:41,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:42,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930507839] [2024-10-14 04:00:42,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930507839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:42,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:42,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:42,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561975341] [2024-10-14 04:00:42,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:42,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:42,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:42,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:42,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:42,002 INFO L87 Difference]: Start difference. First operand 634 states and 817 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:42,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:42,750 INFO L93 Difference]: Finished difference Result 1084 states and 1412 transitions. [2024-10-14 04:00:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:42,751 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:42,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:42,752 INFO L225 Difference]: With dead ends: 1084 [2024-10-14 04:00:42,752 INFO L226 Difference]: Without dead ends: 970 [2024-10-14 04:00:42,753 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 [2024-10-14 04:00:42,753 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 1800 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:42,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1800 Valid, 2800 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:42,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-10-14 04:00:42,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 634. [2024-10-14 04:00:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3333333333333333) internal successors, (816), 633 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 816 transitions. [2024-10-14 04:00:42,761 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 816 transitions. Word has length 96 [2024-10-14 04:00:42,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:42,761 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 816 transitions. [2024-10-14 04:00:42,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 816 transitions. [2024-10-14 04:00:42,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:42,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:42,762 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:42,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-14 04:00:42,762 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:42,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:42,762 INFO L85 PathProgramCache]: Analyzing trace with hash -52113932, now seen corresponding path program 1 times [2024-10-14 04:00:42,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:42,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703541623] [2024-10-14 04:00:42,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:42,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:42,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:42,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703541623] [2024-10-14 04:00:42,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703541623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:42,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:42,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:42,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118932051] [2024-10-14 04:00:42,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:42,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:42,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:42,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:42,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:42,951 INFO L87 Difference]: Start difference. First operand 634 states and 816 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:43,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:43,677 INFO L93 Difference]: Finished difference Result 996 states and 1285 transitions. [2024-10-14 04:00:43,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:43,677 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:43,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:43,679 INFO L225 Difference]: With dead ends: 996 [2024-10-14 04:00:43,679 INFO L226 Difference]: Without dead ends: 922 [2024-10-14 04:00:43,679 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 [2024-10-14 04:00:43,679 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 2874 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 2379 SdHoareTripleChecker+Invalid, 1913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:43,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2874 Valid, 2379 Invalid, 1913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:43,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-14 04:00:43,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 634. [2024-10-14 04:00:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3316993464052287) internal successors, (815), 633 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:43,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 815 transitions. [2024-10-14 04:00:43,690 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 815 transitions. Word has length 96 [2024-10-14 04:00:43,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:43,690 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 815 transitions. [2024-10-14 04:00:43,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:43,690 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 815 transitions. [2024-10-14 04:00:43,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:43,691 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:43,691 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:43,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-14 04:00:43,691 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:43,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:43,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1952926503, now seen corresponding path program 1 times [2024-10-14 04:00:43,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:43,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578679194] [2024-10-14 04:00:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:43,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:43,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:43,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578679194] [2024-10-14 04:00:43,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578679194] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:43,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:43,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:43,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546170783] [2024-10-14 04:00:43,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:43,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:43,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:43,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:43,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:43,866 INFO L87 Difference]: Start difference. First operand 634 states and 815 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:44,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:44,565 INFO L93 Difference]: Finished difference Result 998 states and 1286 transitions. [2024-10-14 04:00:44,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:44,566 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:44,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:44,567 INFO L225 Difference]: With dead ends: 998 [2024-10-14 04:00:44,567 INFO L226 Difference]: Without dead ends: 922 [2024-10-14 04:00:44,568 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 [2024-10-14 04:00:44,568 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 3065 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3065 SdHoareTripleChecker+Valid, 2166 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:44,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3065 Valid, 2166 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1720 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:44,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-14 04:00:44,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 634. [2024-10-14 04:00:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3300653594771241) internal successors, (814), 633 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 814 transitions. [2024-10-14 04:00:44,575 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 814 transitions. Word has length 96 [2024-10-14 04:00:44,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:44,575 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 814 transitions. [2024-10-14 04:00:44,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 814 transitions. [2024-10-14 04:00:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:44,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:44,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:44,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-14 04:00:44,579 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:44,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:44,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1693346717, now seen corresponding path program 1 times [2024-10-14 04:00:44,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:44,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670448096] [2024-10-14 04:00:44,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:44,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:44,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:44,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670448096] [2024-10-14 04:00:44,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670448096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:44,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:44,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:44,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168808672] [2024-10-14 04:00:44,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:44,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:44,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:44,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:44,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:44,816 INFO L87 Difference]: Start difference. First operand 634 states and 814 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:45,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:45,497 INFO L93 Difference]: Finished difference Result 998 states and 1284 transitions. [2024-10-14 04:00:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:45,497 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:45,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:45,499 INFO L225 Difference]: With dead ends: 998 [2024-10-14 04:00:45,499 INFO L226 Difference]: Without dead ends: 922 [2024-10-14 04:00:45,499 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 [2024-10-14 04:00:45,500 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 3062 mSDsluCounter, 1658 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:45,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 2181 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:45,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-14 04:00:45,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 634. [2024-10-14 04:00:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.3284313725490196) internal successors, (813), 633 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 813 transitions. [2024-10-14 04:00:45,506 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 813 transitions. Word has length 96 [2024-10-14 04:00:45,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:45,506 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 813 transitions. [2024-10-14 04:00:45,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 813 transitions. [2024-10-14 04:00:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:45,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:45,507 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:45,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-14 04:00:45,507 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:45,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:45,507 INFO L85 PathProgramCache]: Analyzing trace with hash -927310799, now seen corresponding path program 1 times [2024-10-14 04:00:45,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:45,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993055326] [2024-10-14 04:00:45,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:45,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:45,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:45,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993055326] [2024-10-14 04:00:45,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993055326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:45,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:45,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:45,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167294108] [2024-10-14 04:00:45,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:45,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:45,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:45,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:45,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:45,901 INFO L87 Difference]: Start difference. First operand 634 states and 813 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:47,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:47,041 INFO L93 Difference]: Finished difference Result 1262 states and 1674 transitions. [2024-10-14 04:00:47,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:00:47,042 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:47,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:47,054 INFO L225 Difference]: With dead ends: 1262 [2024-10-14 04:00:47,054 INFO L226 Difference]: Without dead ends: 1176 [2024-10-14 04:00:47,055 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 [2024-10-14 04:00:47,055 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 5680 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5680 SdHoareTripleChecker+Valid, 2824 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:47,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5680 Valid, 2824 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 04:00:47,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2024-10-14 04:00:47,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 638. [2024-10-14 04:00:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3262987012987013) internal successors, (817), 637 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 817 transitions. [2024-10-14 04:00:47,061 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 817 transitions. Word has length 96 [2024-10-14 04:00:47,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:47,061 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 817 transitions. [2024-10-14 04:00:47,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 817 transitions. [2024-10-14 04:00:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:47,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:47,062 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:47,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-14 04:00:47,062 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:47,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:47,063 INFO L85 PathProgramCache]: Analyzing trace with hash -375995292, now seen corresponding path program 1 times [2024-10-14 04:00:47,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:47,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378890106] [2024-10-14 04:00:47,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:47,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:47,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:47,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:47,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378890106] [2024-10-14 04:00:47,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378890106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:47,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:47,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:47,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156091799] [2024-10-14 04:00:47,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:47,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:47,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:47,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:47,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:47,286 INFO L87 Difference]: Start difference. First operand 638 states and 817 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:48,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:48,055 INFO L93 Difference]: Finished difference Result 931 states and 1179 transitions. [2024-10-14 04:00:48,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:48,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:48,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:48,056 INFO L225 Difference]: With dead ends: 931 [2024-10-14 04:00:48,056 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:48,057 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 [2024-10-14 04:00:48,057 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 2612 mSDsluCounter, 2103 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2612 SdHoareTripleChecker+Valid, 2661 SdHoareTripleChecker+Invalid, 1970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:48,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2612 Valid, 2661 Invalid, 1970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:48,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:48,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 638. [2024-10-14 04:00:48,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3246753246753247) internal successors, (816), 637 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:48,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 816 transitions. [2024-10-14 04:00:48,063 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 816 transitions. Word has length 96 [2024-10-14 04:00:48,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:48,063 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 816 transitions. [2024-10-14 04:00:48,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 816 transitions. [2024-10-14 04:00:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:48,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:48,064 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:48,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-14 04:00:48,065 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:48,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1536201810, now seen corresponding path program 1 times [2024-10-14 04:00:48,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:48,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462915688] [2024-10-14 04:00:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:48,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:48,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:48,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462915688] [2024-10-14 04:00:48,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462915688] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:48,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:48,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:48,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672517449] [2024-10-14 04:00:48,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:48,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:48,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:48,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:48,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:48,243 INFO L87 Difference]: Start difference. First operand 638 states and 816 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:48,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:48,979 INFO L93 Difference]: Finished difference Result 971 states and 1240 transitions. [2024-10-14 04:00:48,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:48,979 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:48,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:48,981 INFO L225 Difference]: With dead ends: 971 [2024-10-14 04:00:48,981 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:00:48,981 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 [2024-10-14 04:00:48,981 INFO L432 NwaCegarLoop]: 729 mSDtfsCounter, 2469 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 1847 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2469 SdHoareTripleChecker+Valid, 2791 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:48,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2469 Valid, 2791 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1847 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:48,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:00:48,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 638. [2024-10-14 04:00:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.323051948051948) internal successors, (815), 637 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 815 transitions. [2024-10-14 04:00:48,986 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 815 transitions. Word has length 96 [2024-10-14 04:00:48,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:48,986 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 815 transitions. [2024-10-14 04:00:48,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 815 transitions. [2024-10-14 04:00:48,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:48,987 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:48,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:48,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-14 04:00:48,987 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:48,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:48,988 INFO L85 PathProgramCache]: Analyzing trace with hash 134588212, now seen corresponding path program 1 times [2024-10-14 04:00:48,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:48,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687061334] [2024-10-14 04:00:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:48,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:49,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:49,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687061334] [2024-10-14 04:00:49,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687061334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:49,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:49,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:49,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931547169] [2024-10-14 04:00:49,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:49,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:49,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:49,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:49,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:49,161 INFO L87 Difference]: Start difference. First operand 638 states and 815 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:49,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:49,958 INFO L93 Difference]: Finished difference Result 1002 states and 1285 transitions. [2024-10-14 04:00:49,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:49,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:49,960 INFO L225 Difference]: With dead ends: 1002 [2024-10-14 04:00:49,960 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:49,960 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 [2024-10-14 04:00:49,961 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 2605 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2605 SdHoareTripleChecker+Valid, 2713 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:49,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2605 Valid, 2713 Invalid, 1982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:49,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:49,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 638. [2024-10-14 04:00:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.3214285714285714) internal successors, (814), 637 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 814 transitions. [2024-10-14 04:00:49,966 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 814 transitions. Word has length 96 [2024-10-14 04:00:49,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:49,966 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 814 transitions. [2024-10-14 04:00:49,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 814 transitions. [2024-10-14 04:00:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:49,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:49,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:49,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-14 04:00:49,967 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:49,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:49,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1131131867, now seen corresponding path program 1 times [2024-10-14 04:00:49,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:49,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540375420] [2024-10-14 04:00:49,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:49,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:50,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:50,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:50,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540375420] [2024-10-14 04:00:50,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540375420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:50,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:50,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:50,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471574960] [2024-10-14 04:00:50,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:50,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:50,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:50,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:50,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:50,250 INFO L87 Difference]: Start difference. First operand 638 states and 814 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:51,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:51,355 INFO L93 Difference]: Finished difference Result 1113 states and 1442 transitions. [2024-10-14 04:00:51,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:00:51,356 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:51,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:51,357 INFO L225 Difference]: With dead ends: 1113 [2024-10-14 04:00:51,357 INFO L226 Difference]: Without dead ends: 1108 [2024-10-14 04:00:51,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 04:00:51,358 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 6006 mSDsluCounter, 2078 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6006 SdHoareTripleChecker+Valid, 2605 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:51,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6006 Valid, 2605 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 2139 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 04:00:51,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2024-10-14 04:00:51,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 642. [2024-10-14 04:00:51,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3193548387096774) internal successors, (818), 641 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:51,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 818 transitions. [2024-10-14 04:00:51,364 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 818 transitions. Word has length 96 [2024-10-14 04:00:51,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:51,365 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 818 transitions. [2024-10-14 04:00:51,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:51,365 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 818 transitions. [2024-10-14 04:00:51,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:51,365 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:51,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:51,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-10-14 04:00:51,366 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:51,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:51,366 INFO L85 PathProgramCache]: Analyzing trace with hash -253459324, now seen corresponding path program 1 times [2024-10-14 04:00:51,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:51,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614125645] [2024-10-14 04:00:51,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:51,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:51,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:51,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614125645] [2024-10-14 04:00:51,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614125645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:51,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:51,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:51,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305593581] [2024-10-14 04:00:51,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:51,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:51,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:51,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:51,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:51,539 INFO L87 Difference]: Start difference. First operand 642 states and 818 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:52,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:52,295 INFO L93 Difference]: Finished difference Result 1044 states and 1347 transitions. [2024-10-14 04:00:52,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:52,295 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:52,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:52,297 INFO L225 Difference]: With dead ends: 1044 [2024-10-14 04:00:52,297 INFO L226 Difference]: Without dead ends: 958 [2024-10-14 04:00:52,297 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 [2024-10-14 04:00:52,298 INFO L432 NwaCegarLoop]: 687 mSDtfsCounter, 2546 mSDsluCounter, 2208 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2546 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:52,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2546 Valid, 2895 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2121 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:52,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-10-14 04:00:52,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 642. [2024-10-14 04:00:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3177419354838709) internal successors, (817), 641 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 817 transitions. [2024-10-14 04:00:52,303 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 817 transitions. Word has length 96 [2024-10-14 04:00:52,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:52,303 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 817 transitions. [2024-10-14 04:00:52,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:52,304 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 817 transitions. [2024-10-14 04:00:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:52,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:52,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:52,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-10-14 04:00:52,305 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:52,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:52,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1928248723, now seen corresponding path program 1 times [2024-10-14 04:00:52,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:52,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287059603] [2024-10-14 04:00:52,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:52,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:52,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:52,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287059603] [2024-10-14 04:00:52,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287059603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:52,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:52,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:52,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609291423] [2024-10-14 04:00:52,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:52,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:52,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:52,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:52,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:52,486 INFO L87 Difference]: Start difference. First operand 642 states and 817 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:53,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:53,185 INFO L93 Difference]: Finished difference Result 1002 states and 1282 transitions. [2024-10-14 04:00:53,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:53,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:53,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:53,187 INFO L225 Difference]: With dead ends: 1002 [2024-10-14 04:00:53,187 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:53,187 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 [2024-10-14 04:00:53,187 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 1823 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:53,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 2776 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:53,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:53,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 642. [2024-10-14 04:00:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3161290322580645) internal successors, (816), 641 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 816 transitions. [2024-10-14 04:00:53,193 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 816 transitions. Word has length 96 [2024-10-14 04:00:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:53,193 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 816 transitions. [2024-10-14 04:00:53,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 816 transitions. [2024-10-14 04:00:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:53,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:53,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:53,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-10-14 04:00:53,195 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:53,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:53,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1279554647, now seen corresponding path program 1 times [2024-10-14 04:00:53,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:53,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277064619] [2024-10-14 04:00:53,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:53,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:53,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:53,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277064619] [2024-10-14 04:00:53,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277064619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:53,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:53,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:53,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380102395] [2024-10-14 04:00:53,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:53,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:53,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:53,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:53,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:53,353 INFO L87 Difference]: Start difference. First operand 642 states and 816 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:54,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:54,057 INFO L93 Difference]: Finished difference Result 1002 states and 1281 transitions. [2024-10-14 04:00:54,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:54,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:54,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:54,060 INFO L225 Difference]: With dead ends: 1002 [2024-10-14 04:00:54,060 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:54,060 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 [2024-10-14 04:00:54,060 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 2984 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2984 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:54,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2984 Valid, 2229 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:54,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:54,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 642. [2024-10-14 04:00:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.314516129032258) internal successors, (815), 641 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 815 transitions. [2024-10-14 04:00:54,067 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 815 transitions. Word has length 96 [2024-10-14 04:00:54,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:54,067 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 815 transitions. [2024-10-14 04:00:54,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 815 transitions. [2024-10-14 04:00:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:54,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:54,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:54,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-10-14 04:00:54,070 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:54,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:54,070 INFO L85 PathProgramCache]: Analyzing trace with hash 297856183, now seen corresponding path program 1 times [2024-10-14 04:00:54,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:54,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086540544] [2024-10-14 04:00:54,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:54,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:54,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:54,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:54,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086540544] [2024-10-14 04:00:54,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086540544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:54,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:54,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:54,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686123331] [2024-10-14 04:00:54,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:54,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:54,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:54,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:54,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:54,264 INFO L87 Difference]: Start difference. First operand 642 states and 815 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:54,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:54,967 INFO L93 Difference]: Finished difference Result 1005 states and 1282 transitions. [2024-10-14 04:00:54,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:54,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:54,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:54,969 INFO L225 Difference]: With dead ends: 1005 [2024-10-14 04:00:54,969 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:54,970 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 [2024-10-14 04:00:54,970 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 2590 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2590 SdHoareTripleChecker+Valid, 2737 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:54,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 2737 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1964 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:54,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 642. [2024-10-14 04:00:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3129032258064517) internal successors, (814), 641 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:54,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 814 transitions. [2024-10-14 04:00:54,976 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 814 transitions. Word has length 96 [2024-10-14 04:00:54,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:54,977 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 814 transitions. [2024-10-14 04:00:54,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:54,977 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 814 transitions. [2024-10-14 04:00:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:54,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:54,978 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:54,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-10-14 04:00:54,978 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:54,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:54,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2084914011, now seen corresponding path program 1 times [2024-10-14 04:00:54,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:54,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147816117] [2024-10-14 04:00:54,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:54,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:55,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:55,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147816117] [2024-10-14 04:00:55,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147816117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:55,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:55,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:55,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538667292] [2024-10-14 04:00:55,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:55,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:55,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:55,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:55,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:55,161 INFO L87 Difference]: Start difference. First operand 642 states and 814 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:55,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:55,865 INFO L93 Difference]: Finished difference Result 1049 states and 1345 transitions. [2024-10-14 04:00:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:55,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:55,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:55,867 INFO L225 Difference]: With dead ends: 1049 [2024-10-14 04:00:55,867 INFO L226 Difference]: Without dead ends: 958 [2024-10-14 04:00:55,868 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 [2024-10-14 04:00:55,868 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 1828 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 1901 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 2693 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:55,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 2693 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1901 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:55,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-10-14 04:00:55,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 642. [2024-10-14 04:00:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3112903225806452) internal successors, (813), 641 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:55,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 813 transitions. [2024-10-14 04:00:55,875 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 813 transitions. Word has length 96 [2024-10-14 04:00:55,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:55,875 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 813 transitions. [2024-10-14 04:00:55,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 813 transitions. [2024-10-14 04:00:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:55,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:55,876 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:55,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-10-14 04:00:55,877 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:55,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:55,877 INFO L85 PathProgramCache]: Analyzing trace with hash 807960068, now seen corresponding path program 1 times [2024-10-14 04:00:55,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:55,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294291271] [2024-10-14 04:00:55,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:55,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:56,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:56,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294291271] [2024-10-14 04:00:56,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294291271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:56,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:56,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:56,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392550467] [2024-10-14 04:00:56,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:56,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:56,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:56,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:56,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:56,055 INFO L87 Difference]: Start difference. First operand 642 states and 813 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:56,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:56,763 INFO L93 Difference]: Finished difference Result 1002 states and 1277 transitions. [2024-10-14 04:00:56,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:56,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:56,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:56,765 INFO L225 Difference]: With dead ends: 1002 [2024-10-14 04:00:56,765 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:56,765 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 [2024-10-14 04:00:56,765 INFO L432 NwaCegarLoop]: 600 mSDtfsCounter, 2748 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2748 SdHoareTripleChecker+Valid, 2487 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:56,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2748 Valid, 2487 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:56,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:56,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 642. [2024-10-14 04:00:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3096774193548386) internal successors, (812), 641 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 812 transitions. [2024-10-14 04:00:56,771 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 812 transitions. Word has length 96 [2024-10-14 04:00:56,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:56,771 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 812 transitions. [2024-10-14 04:00:56,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:56,771 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 812 transitions. [2024-10-14 04:00:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:56,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:56,772 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:56,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-14 04:00:56,772 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:56,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:56,773 INFO L85 PathProgramCache]: Analyzing trace with hash -457280392, now seen corresponding path program 1 times [2024-10-14 04:00:56,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:56,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451789133] [2024-10-14 04:00:56,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:56,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:56,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:56,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451789133] [2024-10-14 04:00:56,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451789133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:56,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:56,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:56,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662894652] [2024-10-14 04:00:56,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:56,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:56,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:56,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:56,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:56,943 INFO L87 Difference]: Start difference. First operand 642 states and 812 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:57,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:57,614 INFO L93 Difference]: Finished difference Result 1005 states and 1279 transitions. [2024-10-14 04:00:57,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:57,615 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:57,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:57,616 INFO L225 Difference]: With dead ends: 1005 [2024-10-14 04:00:57,616 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:57,617 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 [2024-10-14 04:00:57,617 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 2931 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2931 SdHoareTripleChecker+Valid, 2290 SdHoareTripleChecker+Invalid, 1729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:57,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2931 Valid, 2290 Invalid, 1729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:57,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:57,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 642. [2024-10-14 04:00:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3080645161290323) internal successors, (811), 641 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 811 transitions. [2024-10-14 04:00:57,623 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 811 transitions. Word has length 96 [2024-10-14 04:00:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:57,623 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 811 transitions. [2024-10-14 04:00:57,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 811 transitions. [2024-10-14 04:00:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:57,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:57,625 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:57,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-10-14 04:00:57,625 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:57,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:57,625 INFO L85 PathProgramCache]: Analyzing trace with hash -919090496, now seen corresponding path program 1 times [2024-10-14 04:00:57,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:57,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497704296] [2024-10-14 04:00:57,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:57,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:57,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:57,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497704296] [2024-10-14 04:00:57,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497704296] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:57,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:57,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:57,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117700645] [2024-10-14 04:00:57,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:57,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:57,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:57,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:57,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:57,799 INFO L87 Difference]: Start difference. First operand 642 states and 811 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:58,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:58,456 INFO L93 Difference]: Finished difference Result 1000 states and 1272 transitions. [2024-10-14 04:00:58,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:58,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:58,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:58,457 INFO L225 Difference]: With dead ends: 1000 [2024-10-14 04:00:58,458 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:58,458 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 [2024-10-14 04:00:58,458 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 1878 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 1902 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:58,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 2551 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1902 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:58,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:58,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 642. [2024-10-14 04:00:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3064516129032258) internal successors, (810), 641 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 810 transitions. [2024-10-14 04:00:58,463 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 810 transitions. Word has length 96 [2024-10-14 04:00:58,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:58,463 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 810 transitions. [2024-10-14 04:00:58,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:58,464 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 810 transitions. [2024-10-14 04:00:58,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:58,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:58,464 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:58,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-10-14 04:00:58,464 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:58,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:58,465 INFO L85 PathProgramCache]: Analyzing trace with hash -599186684, now seen corresponding path program 1 times [2024-10-14 04:00:58,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:58,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170698490] [2024-10-14 04:00:58,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:58,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:58,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:58,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170698490] [2024-10-14 04:00:58,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170698490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:58,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:58,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:58,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968145202] [2024-10-14 04:00:58,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:58,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:58,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:58,636 INFO L87 Difference]: Start difference. First operand 642 states and 810 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:59,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:59,276 INFO L93 Difference]: Finished difference Result 1002 states and 1273 transitions. [2024-10-14 04:00:59,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:59,277 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:59,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:59,278 INFO L225 Difference]: With dead ends: 1002 [2024-10-14 04:00:59,278 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:00:59,278 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 [2024-10-14 04:00:59,278 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 2535 mSDsluCounter, 1943 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2535 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:59,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2535 Valid, 2643 Invalid, 1801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:59,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:00:59,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 642. [2024-10-14 04:00:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3048387096774194) internal successors, (809), 641 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 809 transitions. [2024-10-14 04:00:59,284 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 809 transitions. Word has length 96 [2024-10-14 04:00:59,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:59,285 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 809 transitions. [2024-10-14 04:00:59,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 809 transitions. [2024-10-14 04:00:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:59,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:59,286 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:59,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-10-14 04:00:59,286 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:59,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:59,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1068299218, now seen corresponding path program 1 times [2024-10-14 04:00:59,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:59,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690510861] [2024-10-14 04:00:59,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:59,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:59,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:59,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690510861] [2024-10-14 04:00:59,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690510861] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:59,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:59,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:59,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263431421] [2024-10-14 04:00:59,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:59,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:59,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:59,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:59,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:59,468 INFO L87 Difference]: Start difference. First operand 642 states and 809 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:00,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:00,168 INFO L93 Difference]: Finished difference Result 1000 states and 1269 transitions. [2024-10-14 04:01:00,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:01:00,168 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:01:00,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:00,170 INFO L225 Difference]: With dead ends: 1000 [2024-10-14 04:01:00,170 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:01:00,170 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 [2024-10-14 04:01:00,170 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 1984 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 2281 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:00,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 2281 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:01:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:01:00,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 642. [2024-10-14 04:01:00,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.303225806451613) internal successors, (808), 641 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:00,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 808 transitions. [2024-10-14 04:01:00,175 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 808 transitions. Word has length 96 [2024-10-14 04:01:00,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:00,175 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 808 transitions. [2024-10-14 04:01:00,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:00,176 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 808 transitions. [2024-10-14 04:01:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:01:00,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:00,176 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:01:00,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-10-14 04:01:00,176 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:00,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:00,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1873206628, now seen corresponding path program 1 times [2024-10-14 04:01:00,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:00,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239717578] [2024-10-14 04:01:00,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:00,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:00,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:00,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239717578] [2024-10-14 04:01:00,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239717578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:00,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:00,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:00,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237949692] [2024-10-14 04:01:00,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:00,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:00,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:00,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:00,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:00,339 INFO L87 Difference]: Start difference. First operand 642 states and 808 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:00,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:00,928 INFO L93 Difference]: Finished difference Result 1002 states and 1269 transitions. [2024-10-14 04:01:00,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:01:00,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:01:00,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:00,930 INFO L225 Difference]: With dead ends: 1002 [2024-10-14 04:01:00,930 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:01:00,931 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 [2024-10-14 04:01:00,931 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 2530 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 1641 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2530 SdHoareTripleChecker+Valid, 2351 SdHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:00,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2530 Valid, 2351 Invalid, 1645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1641 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:01:00,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:01:00,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 642. [2024-10-14 04:01:00,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3016129032258064) internal successors, (807), 641 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 807 transitions. [2024-10-14 04:01:00,937 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 807 transitions. Word has length 96 [2024-10-14 04:01:00,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:00,937 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 807 transitions. [2024-10-14 04:01:00,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 807 transitions. [2024-10-14 04:01:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:01:00,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:00,938 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:01:00,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-10-14 04:01:00,938 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:00,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:00,939 INFO L85 PathProgramCache]: Analyzing trace with hash -746754795, now seen corresponding path program 1 times [2024-10-14 04:01:00,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:00,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762388801] [2024-10-14 04:01:00,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:00,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:01,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:01,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762388801] [2024-10-14 04:01:01,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762388801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:01,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:01,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:01:01,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664118926] [2024-10-14 04:01:01,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:01,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:01:01,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:01,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:01:01,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:01:01,244 INFO L87 Difference]: Start difference. First operand 642 states and 807 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:02,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:02,291 INFO L93 Difference]: Finished difference Result 1266 states and 1654 transitions. [2024-10-14 04:01:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:01:02,291 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:01:02,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:02,293 INFO L225 Difference]: With dead ends: 1266 [2024-10-14 04:01:02,293 INFO L226 Difference]: Without dead ends: 1180 [2024-10-14 04:01:02,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 04:01:02,294 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 5662 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5662 SdHoareTripleChecker+Valid, 2760 SdHoareTripleChecker+Invalid, 2199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:02,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5662 Valid, 2760 Invalid, 2199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 2003 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:01:02,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2024-10-14 04:01:02,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 646. [2024-10-14 04:01:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.2996794871794872) internal successors, (811), 645 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 811 transitions. [2024-10-14 04:01:02,300 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 811 transitions. Word has length 96 [2024-10-14 04:01:02,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:02,300 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 811 transitions. [2024-10-14 04:01:02,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 811 transitions. [2024-10-14 04:01:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:01:02,301 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:02,301 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:01:02,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-10-14 04:01:02,301 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:02,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:02,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1773066592, now seen corresponding path program 1 times [2024-10-14 04:01:02,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:02,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712064089] [2024-10-14 04:01:02,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:02,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:02,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:02,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712064089] [2024-10-14 04:01:02,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712064089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:02,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:02,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:02,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760108897] [2024-10-14 04:01:02,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:02,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:02,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:02,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:02,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:02,463 INFO L87 Difference]: Start difference. First operand 646 states and 811 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:03,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:03,110 INFO L93 Difference]: Finished difference Result 1006 states and 1272 transitions. [2024-10-14 04:01:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:01:03,111 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:01:03,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:03,112 INFO L225 Difference]: With dead ends: 1006 [2024-10-14 04:01:03,112 INFO L226 Difference]: Without dead ends: 930 [2024-10-14 04:01:03,112 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 [2024-10-14 04:01:03,112 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 1979 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 2290 SdHoareTripleChecker+Invalid, 1694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:03,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 2290 Invalid, 1694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:01:03,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-10-14 04:01:03,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 646. [2024-10-14 04:01:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.2980769230769231) internal successors, (810), 645 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 810 transitions. [2024-10-14 04:01:03,118 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 810 transitions. Word has length 96 [2024-10-14 04:01:03,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:03,119 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 810 transitions. [2024-10-14 04:01:03,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 810 transitions. [2024-10-14 04:01:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:01:03,119 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:03,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:01:03,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-10-14 04:01:03,120 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:03,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:03,120 INFO L85 PathProgramCache]: Analyzing trace with hash 865275896, now seen corresponding path program 1 times [2024-10-14 04:01:03,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:03,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215965601] [2024-10-14 04:01:03,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:03,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:03,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:03,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215965601] [2024-10-14 04:01:03,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215965601] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:03,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:03,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:03,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675782098] [2024-10-14 04:01:03,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:03,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:03,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:03,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:03,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:03,353 INFO L87 Difference]: Start difference. First operand 646 states and 810 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:04,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:04,139 INFO L93 Difference]: Finished difference Result 1004 states and 1268 transitions. [2024-10-14 04:01:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:01:04,139 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:01:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:04,141 INFO L225 Difference]: With dead ends: 1004 [2024-10-14 04:01:04,141 INFO L226 Difference]: Without dead ends: 930 [2024-10-14 04:01:04,141 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 [2024-10-14 04:01:04,141 INFO L432 NwaCegarLoop]: 592 mSDtfsCounter, 2563 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 1928 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:04,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2563 Valid, 2785 Invalid, 1932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1928 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:01:04,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-10-14 04:01:04,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 646. [2024-10-14 04:01:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.296474358974359) internal successors, (809), 645 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 809 transitions. [2024-10-14 04:01:04,147 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 809 transitions. Word has length 96 [2024-10-14 04:01:04,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:04,147 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 809 transitions. [2024-10-14 04:01:04,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 809 transitions. [2024-10-14 04:01:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:01:04,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:04,148 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] [2024-10-14 04:01:04,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-10-14 04:01:04,148 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:04,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:04,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1790687854, now seen corresponding path program 1 times [2024-10-14 04:01:04,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:04,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904122527] [2024-10-14 04:01:04,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:04,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:04,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:04,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904122527] [2024-10-14 04:01:04,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904122527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:04,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:04,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:04,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112504842] [2024-10-14 04:01:04,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:04,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:04,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:04,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:04,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:04,319 INFO L87 Difference]: Start difference. First operand 646 states and 809 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:05,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:05,022 INFO L93 Difference]: Finished difference Result 1044 states and 1325 transitions. [2024-10-14 04:01:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:01:05,023 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:01:05,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:05,024 INFO L225 Difference]: With dead ends: 1044 [2024-10-14 04:01:05,024 INFO L226 Difference]: Without dead ends: 958 [2024-10-14 04:01:05,024 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 [2024-10-14 04:01:05,024 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 1690 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 1921 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 2977 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:05,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 2977 Invalid, 1925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1921 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:01:05,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-10-14 04:01:05,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 642. [2024-10-14 04:01:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.2967741935483872) internal successors, (804), 641 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:05,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 804 transitions. [2024-10-14 04:01:05,034 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 804 transitions. Word has length 97 [2024-10-14 04:01:05,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:05,034 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 804 transitions. [2024-10-14 04:01:05,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 804 transitions. [2024-10-14 04:01:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:01:05,034 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:05,035 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:01:05,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-10-14 04:01:05,035 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:05,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:05,035 INFO L85 PathProgramCache]: Analyzing trace with hash -971517062, now seen corresponding path program 1 times [2024-10-14 04:01:05,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:05,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113347647] [2024-10-14 04:01:05,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:05,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:05,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113347647] [2024-10-14 04:01:05,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113347647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:05,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:05,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:05,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255396329] [2024-10-14 04:01:05,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:05,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:05,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:05,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:05,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:05,204 INFO L87 Difference]: Start difference. First operand 642 states and 804 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:05,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:05,844 INFO L93 Difference]: Finished difference Result 931 states and 1156 transitions. [2024-10-14 04:01:05,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:01:05,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:01:05,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:05,846 INFO L225 Difference]: With dead ends: 931 [2024-10-14 04:01:05,846 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:01:05,846 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 [2024-10-14 04:01:05,846 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 2870 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 2334 SdHoareTripleChecker+Invalid, 1706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:05,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2870 Valid, 2334 Invalid, 1706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:01:05,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:01:05,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 638. [2024-10-14 04:01:05,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.297077922077922) internal successors, (799), 637 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 799 transitions. [2024-10-14 04:01:05,853 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 799 transitions. Word has length 97 [2024-10-14 04:01:05,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:05,853 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 799 transitions. [2024-10-14 04:01:05,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 799 transitions. [2024-10-14 04:01:05,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:01:05,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:05,854 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] [2024-10-14 04:01:05,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-10-14 04:01:05,854 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:05,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:05,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1316426182, now seen corresponding path program 1 times [2024-10-14 04:01:05,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:05,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471693077] [2024-10-14 04:01:05,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:05,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:06,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:06,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:06,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471693077] [2024-10-14 04:01:06,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471693077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:06,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:06,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:06,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839147696] [2024-10-14 04:01:06,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:06,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:06,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:06,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:06,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:06,033 INFO L87 Difference]: Start difference. First operand 638 states and 799 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:06,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:06,743 INFO L93 Difference]: Finished difference Result 1000 states and 1261 transitions. [2024-10-14 04:01:06,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:01:06,743 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:01:06,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:06,744 INFO L225 Difference]: With dead ends: 1000 [2024-10-14 04:01:06,744 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:01:06,745 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 [2024-10-14 04:01:06,745 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 2552 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 1936 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2552 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:06,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2552 Valid, 2833 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1936 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:01:06,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:01:06,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 638. [2024-10-14 04:01:06,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.2954545454545454) internal successors, (798), 637 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 798 transitions. [2024-10-14 04:01:06,750 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 798 transitions. Word has length 97 [2024-10-14 04:01:06,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:06,750 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 798 transitions. [2024-10-14 04:01:06,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:06,751 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 798 transitions. [2024-10-14 04:01:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:01:06,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:06,751 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:01:06,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-10-14 04:01:06,751 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:06,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:06,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1365796076, now seen corresponding path program 1 times [2024-10-14 04:01:06,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:06,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713745913] [2024-10-14 04:01:06,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:06,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:06,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:06,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713745913] [2024-10-14 04:01:06,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713745913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:06,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:06,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:06,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834926914] [2024-10-14 04:01:06,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:06,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:06,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:06,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:06,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:06,964 INFO L87 Difference]: Start difference. First operand 638 states and 798 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:07,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:07,673 INFO L93 Difference]: Finished difference Result 1001 states and 1261 transitions. [2024-10-14 04:01:07,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:01:07,673 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:01:07,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:07,674 INFO L225 Difference]: With dead ends: 1001 [2024-10-14 04:01:07,674 INFO L226 Difference]: Without dead ends: 926 [2024-10-14 04:01:07,675 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 [2024-10-14 04:01:07,675 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 2550 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2550 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:07,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2550 Valid, 2833 Invalid, 1936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1932 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:01:07,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-14 04:01:07,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 638. [2024-10-14 04:01:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 616 states have (on average 1.2938311688311688) internal successors, (797), 637 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 797 transitions. [2024-10-14 04:01:07,681 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 797 transitions. Word has length 97 [2024-10-14 04:01:07,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:07,681 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 797 transitions. [2024-10-14 04:01:07,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:07,681 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 797 transitions. [2024-10-14 04:01:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:01:07,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:07,682 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] [2024-10-14 04:01:07,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-10-14 04:01:07,682 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:07,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:07,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1202009913, now seen corresponding path program 1 times [2024-10-14 04:01:07,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:07,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647838041] [2024-10-14 04:01:07,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:07,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:07,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:07,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:07,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647838041] [2024-10-14 04:01:07,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647838041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:07,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:07,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:07,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969199531] [2024-10-14 04:01:07,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:07,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:07,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:07,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:07,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:07,872 INFO L87 Difference]: Start difference. First operand 638 states and 797 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:08,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:08,607 INFO L93 Difference]: Finished difference Result 1040 states and 1317 transitions. [2024-10-14 04:01:08,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:01:08,607 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:01:08,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:08,608 INFO L225 Difference]: With dead ends: 1040 [2024-10-14 04:01:08,608 INFO L226 Difference]: Without dead ends: 954 [2024-10-14 04:01:08,608 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 [2024-10-14 04:01:08,608 INFO L432 NwaCegarLoop]: 721 mSDtfsCounter, 2451 mSDsluCounter, 2532 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2451 SdHoareTripleChecker+Valid, 3253 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:08,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2451 Valid, 3253 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:01:08,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-10-14 04:01:08,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2024-10-14 04:01:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 612 states have (on average 1.2941176470588236) internal successors, (792), 633 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 792 transitions. [2024-10-14 04:01:08,613 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 792 transitions. Word has length 97 [2024-10-14 04:01:08,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:08,613 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 792 transitions. [2024-10-14 04:01:08,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 792 transitions. [2024-10-14 04:01:08,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:01:08,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:08,614 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] [2024-10-14 04:01:08,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-10-14 04:01:08,615 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:08,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:08,615 INFO L85 PathProgramCache]: Analyzing trace with hash 236768823, now seen corresponding path program 1 times [2024-10-14 04:01:08,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:08,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258484656] [2024-10-14 04:01:08,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:08,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:09,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:09,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258484656] [2024-10-14 04:01:09,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258484656] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:09,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:09,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 04:01:09,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767799541] [2024-10-14 04:01:09,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:09,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 04:01:09,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:09,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 04:01:09,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-14 04:01:09,189 INFO L87 Difference]: Start difference. First operand 634 states and 792 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:09,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:09,798 INFO L93 Difference]: Finished difference Result 1540 states and 1971 transitions. [2024-10-14 04:01:09,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 04:01:09,798 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-10-14 04:01:09,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:09,800 INFO L225 Difference]: With dead ends: 1540 [2024-10-14 04:01:09,800 INFO L226 Difference]: Without dead ends: 1403 [2024-10-14 04:01:09,800 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 [2024-10-14 04:01:09,800 INFO L432 NwaCegarLoop]: 1484 mSDtfsCounter, 3814 mSDsluCounter, 7770 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3814 SdHoareTripleChecker+Valid, 9254 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:09,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3814 Valid, 9254 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 04:01:09,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-10-14 04:01:09,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 571. [2024-10-14 04:01:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 553 states have (on average 1.2911392405063291) internal successors, (714), 570 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) [2024-10-14 04:01:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 714 transitions. [2024-10-14 04:01:09,806 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 714 transitions. Word has length 98 [2024-10-14 04:01:09,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:09,807 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 714 transitions. [2024-10-14 04:01:09,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 714 transitions. [2024-10-14 04:01:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:01:09,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:09,807 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] [2024-10-14 04:01:09,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-10-14 04:01:09,808 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:09,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:09,808 INFO L85 PathProgramCache]: Analyzing trace with hash 843370531, now seen corresponding path program 1 times [2024-10-14 04:01:09,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:09,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534749111] [2024-10-14 04:01:09,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:09,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:10,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:10,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534749111] [2024-10-14 04:01:10,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534749111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:10,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:10,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 04:01:10,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969242992] [2024-10-14 04:01:10,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:10,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 04:01:10,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:10,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 04:01:10,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-14 04:01:10,306 INFO L87 Difference]: Start difference. First operand 571 states and 714 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:11,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:11,237 INFO L93 Difference]: Finished difference Result 1344 states and 1703 transitions. [2024-10-14 04:01:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 04:01:11,237 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-10-14 04:01:11,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:11,239 INFO L225 Difference]: With dead ends: 1344 [2024-10-14 04:01:11,239 INFO L226 Difference]: Without dead ends: 1254 [2024-10-14 04:01:11,239 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 [2024-10-14 04:01:11,239 INFO L432 NwaCegarLoop]: 1144 mSDtfsCounter, 3617 mSDsluCounter, 6325 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3617 SdHoareTripleChecker+Valid, 7469 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:11,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3617 Valid, 7469 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:01:11,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-10-14 04:01:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 555. [2024-10-14 04:01:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.2894248608534322) internal successors, (695), 554 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 695 transitions. [2024-10-14 04:01:11,245 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 695 transitions. Word has length 98 [2024-10-14 04:01:11,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:11,246 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 695 transitions. [2024-10-14 04:01:11,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 695 transitions. [2024-10-14 04:01:11,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:01:11,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:11,247 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] [2024-10-14 04:01:11,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-10-14 04:01:11,247 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:11,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:11,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1087150783, now seen corresponding path program 1 times [2024-10-14 04:01:11,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:11,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330379050] [2024-10-14 04:01:11,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:11,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:11,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:11,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330379050] [2024-10-14 04:01:11,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330379050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:11,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:11,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 04:01:11,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431571499] [2024-10-14 04:01:11,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:11,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 04:01:11,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:11,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 04:01:11,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-14 04:01:11,673 INFO L87 Difference]: Start difference. First operand 555 states and 695 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:12,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:12,392 INFO L93 Difference]: Finished difference Result 1376 states and 1759 transitions. [2024-10-14 04:01:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 04:01:12,393 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-10-14 04:01:12,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:12,394 INFO L225 Difference]: With dead ends: 1376 [2024-10-14 04:01:12,394 INFO L226 Difference]: Without dead ends: 1269 [2024-10-14 04:01:12,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-10-14 04:01:12,395 INFO L432 NwaCegarLoop]: 1189 mSDtfsCounter, 3577 mSDsluCounter, 8620 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3577 SdHoareTripleChecker+Valid, 9809 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:12,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3577 Valid, 9809 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 04:01:12,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2024-10-14 04:01:12,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 522. [2024-10-14 04:01:12,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 509 states have (on average 1.2868369351669942) internal successors, (655), 521 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 655 transitions. [2024-10-14 04:01:12,400 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 655 transitions. Word has length 98 [2024-10-14 04:01:12,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:12,401 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 655 transitions. [2024-10-14 04:01:12,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 655 transitions. [2024-10-14 04:01:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:01:12,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:12,402 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] [2024-10-14 04:01:12,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-10-14 04:01:12,402 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:12,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:12,402 INFO L85 PathProgramCache]: Analyzing trace with hash -534371604, now seen corresponding path program 1 times [2024-10-14 04:01:12,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:12,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478341489] [2024-10-14 04:01:12,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:12,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:12,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:12,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478341489] [2024-10-14 04:01:12,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478341489] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:12,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:12,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 04:01:12,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900426099] [2024-10-14 04:01:12,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:12,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 04:01:12,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:12,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 04:01:12,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-14 04:01:12,884 INFO L87 Difference]: Start difference. First operand 522 states and 655 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:13,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:13,793 INFO L93 Difference]: Finished difference Result 1343 states and 1718 transitions. [2024-10-14 04:01:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 04:01:13,793 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-10-14 04:01:13,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:13,795 INFO L225 Difference]: With dead ends: 1343 [2024-10-14 04:01:13,795 INFO L226 Difference]: Without dead ends: 1251 [2024-10-14 04:01:13,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-10-14 04:01:13,795 INFO L432 NwaCegarLoop]: 1328 mSDtfsCounter, 3669 mSDsluCounter, 8563 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3669 SdHoareTripleChecker+Valid, 9891 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:13,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3669 Valid, 9891 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:01:13,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2024-10-14 04:01:13,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 504. [2024-10-14 04:01:13,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 491 states have (on average 1.2830957230142566) internal successors, (630), 503 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 630 transitions. [2024-10-14 04:01:13,800 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 630 transitions. Word has length 98 [2024-10-14 04:01:13,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:13,801 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 630 transitions. [2024-10-14 04:01:13,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 630 transitions. [2024-10-14 04:01:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:01:13,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:13,801 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] [2024-10-14 04:01:13,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-10-14 04:01:13,802 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:13,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1209646256, now seen corresponding path program 1 times [2024-10-14 04:01:13,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:13,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999700712] [2024-10-14 04:01:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:13,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat