./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea17b6f261bb6e2069b46537416ceb2b28c77bf12fbc31c6c070453fa873ea8f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 21:43:56,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 21:43:56,223 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 21:43:56,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 21:43:56,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 21:43:56,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 21:43:56,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 21:43:56,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 21:43:56,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 21:43:56,254 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 21:43:56,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 21:43:56,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 21:43:56,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 21:43:56,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 21:43:56,257 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 21:43:56,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 21:43:56,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 21:43:56,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 21:43:56,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 21:43:56,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 21:43:56,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 21:43:56,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 21:43:56,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 21:43:56,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 21:43:56,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 21:43:56,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 21:43:56,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 21:43:56,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 21:43:56,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 21:43:56,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 21:43:56,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 21:43:56,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 21:43:56,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:43:56,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 21:43:56,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 21:43:56,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 21:43:56,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 21:43:56,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 21:43:56,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 21:43:56,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 21:43:56,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 21:43:56,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 21:43:56,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea17b6f261bb6e2069b46537416ceb2b28c77bf12fbc31c6c070453fa873ea8f [2024-11-11 21:43:56,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 21:43:56,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 21:43:56,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 21:43:56,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 21:43:56,485 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 21:43:56,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2024-11-11 21:43:57,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 21:43:58,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 21:43:58,068 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2024-11-11 21:43:58,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e3b2698/2cf03086febb41d2bcb83321424b7065/FLAG85602edbc [2024-11-11 21:43:58,114 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e3b2698/2cf03086febb41d2bcb83321424b7065 [2024-11-11 21:43:58,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 21:43:58,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 21:43:58,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 21:43:58,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 21:43:58,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 21:43:58,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:43:58" (1/1) ... [2024-11-11 21:43:58,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10dac2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:58, skipping insertion in model container [2024-11-11 21:43:58,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:43:58" (1/1) ... [2024-11-11 21:43:58,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 21:43:58,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80354,80367] [2024-11-11 21:43:58,898 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115904,115917] [2024-11-11 21:43:58,955 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133708,133721] [2024-11-11 21:43:58,969 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142627,142640] [2024-11-11 21:43:58,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[147060,147073] [2024-11-11 21:43:58,986 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151393,151406] [2024-11-11 21:43:59,043 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[186229,186242] [2024-11-11 21:43:59,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203860,203873] [2024-11-11 21:43:59,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212816,212829] [2024-11-11 21:43:59,101 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[217286,217299] [2024-11-11 21:43:59,110 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221656,221669] [2024-11-11 21:43:59,139 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240553,240566] [2024-11-11 21:43:59,153 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[249509,249522] [2024-11-11 21:43:59,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253979,253992] [2024-11-11 21:43:59,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[258349,258362] [2024-11-11 21:43:59,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[263314,263327] [2024-11-11 21:43:59,190 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267693,267706] [2024-11-11 21:43:59,198 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[272163,272176] [2024-11-11 21:43:59,205 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[276533,276546] [2024-11-11 21:43:59,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[281119,281132] [2024-11-11 21:43:59,221 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285656,285669] [2024-11-11 21:43:59,229 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[290122,290135] [2024-11-11 21:43:59,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:43:59,287 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 21:43:59,405 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80354,80367] [2024-11-11 21:43:59,481 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115904,115917] [2024-11-11 21:43:59,507 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133708,133721] [2024-11-11 21:43:59,520 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142627,142640] [2024-11-11 21:43:59,527 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[147060,147073] [2024-11-11 21:43:59,534 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151393,151406] [2024-11-11 21:43:59,579 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[186229,186242] [2024-11-11 21:43:59,601 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203860,203873] [2024-11-11 21:43:59,615 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212816,212829] [2024-11-11 21:43:59,621 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[217286,217299] [2024-11-11 21:43:59,629 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221656,221669] [2024-11-11 21:43:59,655 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240553,240566] [2024-11-11 21:43:59,667 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[249509,249522] [2024-11-11 21:43:59,674 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253979,253992] [2024-11-11 21:43:59,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[258349,258362] [2024-11-11 21:43:59,688 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[263314,263327] [2024-11-11 21:43:59,694 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267693,267706] [2024-11-11 21:43:59,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[272163,272176] [2024-11-11 21:43:59,707 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[276533,276546] [2024-11-11 21:43:59,714 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[281119,281132] [2024-11-11 21:43:59,721 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285656,285669] [2024-11-11 21:43:59,727 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[290122,290135] [2024-11-11 21:43:59,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:43:59,803 INFO L204 MainTranslator]: Completed translation [2024-11-11 21:43:59,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59 WrapperNode [2024-11-11 21:43:59,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 21:43:59,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 21:43:59,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 21:43:59,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 21:43:59,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:43:59,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,010 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13266 [2024-11-11 21:44:00,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 21:44:00,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 21:44:00,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 21:44:00,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 21:44:00,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,061 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,125 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-11 21:44:00,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 21:44:00,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 21:44:00,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 21:44:00,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 21:44:00,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (1/1) ... [2024-11-11 21:44:00,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:44:00,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 21:44:00,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 21:44:00,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 21:44:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 21:44:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 21:44:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 21:44:00,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 21:44:00,668 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 21:44:00,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 21:44:04,828 INFO L? ?]: Removed 2736 outVars from TransFormulas that were not future-live. [2024-11-11 21:44:04,829 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 21:44:04,867 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 21:44:04,868 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-11 21:44:04,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:44:04 BoogieIcfgContainer [2024-11-11 21:44:04,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 21:44:04,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 21:44:04,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 21:44:04,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 21:44:04,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 09:43:58" (1/3) ... [2024-11-11 21:44:04,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24eeab18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:44:04, skipping insertion in model container [2024-11-11 21:44:04,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:43:59" (2/3) ... [2024-11-11 21:44:04,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24eeab18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:44:04, skipping insertion in model container [2024-11-11 21:44:04,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:44:04" (3/3) ... [2024-11-11 21:44:04,875 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2024-11-11 21:44:04,887 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 21:44:04,887 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-11 21:44:04,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 21:44:04,984 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;@36e540bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 21:44:04,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-11 21:44:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 2541 states, 2518 states have (on average 1.7589356632247817) internal successors, (4429), 2540 states have internal predecessors, (4429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-11 21:44:05,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:05,029 INFO L218 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] [2024-11-11 21:44:05,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:05,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:05,034 INFO L85 PathProgramCache]: Analyzing trace with hash -876960142, now seen corresponding path program 1 times [2024-11-11 21:44:05,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:05,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506619848] [2024-11-11 21:44:05,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:05,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:05,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:05,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506619848] [2024-11-11 21:44:05,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506619848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:05,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:05,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:44:05,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318513018] [2024-11-11 21:44:05,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:05,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:44:05,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:05,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:44:05,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:44:05,730 INFO L87 Difference]: Start difference. First operand has 2541 states, 2518 states have (on average 1.7589356632247817) internal successors, (4429), 2540 states have internal predecessors, (4429), 0 states have call successors, (0), 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 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) [2024-11-11 21:44:07,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:07,798 INFO L93 Difference]: Finished difference Result 4213 states and 7126 transitions. [2024-11-11 21:44:07,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:44:07,800 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 [2024-11-11 21:44:07,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:07,821 INFO L225 Difference]: With dead ends: 4213 [2024-11-11 21:44:07,821 INFO L226 Difference]: Without dead ends: 2941 [2024-11-11 21:44:07,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:44:07,828 INFO L435 NwaCegarLoop]: 1898 mSDtfsCounter, 13160 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13160 SdHoareTripleChecker+Valid, 2679 SdHoareTripleChecker+Invalid, 2273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:07,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13160 Valid, 2679 Invalid, 2273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-11 21:44:07,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2024-11-11 21:44:07,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2755. [2024-11-11 21:44:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2733 states have (on average 1.3241858763263812) internal successors, (3619), 2754 states have internal predecessors, (3619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:07,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3619 transitions. [2024-11-11 21:44:07,960 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3619 transitions. Word has length 87 [2024-11-11 21:44:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:07,961 INFO L471 AbstractCegarLoop]: Abstraction has 2755 states and 3619 transitions. [2024-11-11 21:44:07,961 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) [2024-11-11 21:44:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3619 transitions. [2024-11-11 21:44:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-11 21:44:07,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:07,966 INFO L218 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] [2024-11-11 21:44:07,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 21:44:07,967 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:07,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1410328050, now seen corresponding path program 1 times [2024-11-11 21:44:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:07,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649037841] [2024-11-11 21:44:07,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:07,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:08,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:08,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649037841] [2024-11-11 21:44:08,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649037841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:08,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:08,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:44:08,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000237565] [2024-11-11 21:44:08,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:08,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:44:08,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:08,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:44:08,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:44:08,169 INFO L87 Difference]: Start difference. First operand 2755 states and 3619 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) [2024-11-11 21:44:08,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:08,866 INFO L93 Difference]: Finished difference Result 3042 states and 3982 transitions. [2024-11-11 21:44:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:44:08,866 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 [2024-11-11 21:44:08,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:08,871 INFO L225 Difference]: With dead ends: 3042 [2024-11-11 21:44:08,871 INFO L226 Difference]: Without dead ends: 1713 [2024-11-11 21:44:08,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:44:08,874 INFO L435 NwaCegarLoop]: 794 mSDtfsCounter, 4691 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4691 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:08,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4691 Valid, 830 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:08,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2024-11-11 21:44:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2024-11-11 21:44:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1691 states have (on average 1.3341218214074513) internal successors, (2256), 1712 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2256 transitions. [2024-11-11 21:44:08,899 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2256 transitions. Word has length 87 [2024-11-11 21:44:08,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:08,899 INFO L471 AbstractCegarLoop]: Abstraction has 1713 states and 2256 transitions. [2024-11-11 21:44:08,899 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) [2024-11-11 21:44:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2256 transitions. [2024-11-11 21:44:08,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-11 21:44:08,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:08,902 INFO L218 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] [2024-11-11 21:44:08,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 21:44:08,903 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:08,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:08,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1125625269, now seen corresponding path program 1 times [2024-11-11 21:44:08,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:08,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761842143] [2024-11-11 21:44:08,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:08,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:09,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:09,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761842143] [2024-11-11 21:44:09,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761842143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:09,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:09,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:44:09,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586324832] [2024-11-11 21:44:09,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:09,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:44:09,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:09,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:44:09,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:44:09,055 INFO L87 Difference]: Start difference. First operand 1713 states and 2256 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) [2024-11-11 21:44:09,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:09,519 INFO L93 Difference]: Finished difference Result 2133 states and 2819 transitions. [2024-11-11 21:44:09,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:44:09,519 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 [2024-11-11 21:44:09,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:09,523 INFO L225 Difference]: With dead ends: 2133 [2024-11-11 21:44:09,523 INFO L226 Difference]: Without dead ends: 1257 [2024-11-11 21:44:09,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:44:09,524 INFO L435 NwaCegarLoop]: 630 mSDtfsCounter, 3411 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:09,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3411 Valid, 658 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-11 21:44:09,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2024-11-11 21:44:09,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1257. [2024-11-11 21:44:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1235 states have (on average 1.3522267206477734) internal successors, (1670), 1256 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1670 transitions. [2024-11-11 21:44:09,540 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1670 transitions. Word has length 87 [2024-11-11 21:44:09,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:09,540 INFO L471 AbstractCegarLoop]: Abstraction has 1257 states and 1670 transitions. [2024-11-11 21:44:09,540 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) [2024-11-11 21:44:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1670 transitions. [2024-11-11 21:44:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-11 21:44:09,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:09,542 INFO L218 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] [2024-11-11 21:44:09,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 21:44:09,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:09,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:09,543 INFO L85 PathProgramCache]: Analyzing trace with hash -229604869, now seen corresponding path program 1 times [2024-11-11 21:44:09,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:09,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745087945] [2024-11-11 21:44:09,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:09,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:09,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:09,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745087945] [2024-11-11 21:44:09,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745087945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:09,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:09,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:44:09,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245459327] [2024-11-11 21:44:09,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:09,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:44:09,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:09,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:44:09,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:44:09,700 INFO L87 Difference]: Start difference. First operand 1257 states and 1670 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) [2024-11-11 21:44:10,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:10,070 INFO L93 Difference]: Finished difference Result 1801 states and 2409 transitions. [2024-11-11 21:44:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:44:10,071 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 [2024-11-11 21:44:10,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:10,074 INFO L225 Difference]: With dead ends: 1801 [2024-11-11 21:44:10,074 INFO L226 Difference]: Without dead ends: 1122 [2024-11-11 21:44:10,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:44:10,075 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 3045 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3045 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:10,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3045 Valid, 597 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-11 21:44:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2024-11-11 21:44:10,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1122. [2024-11-11 21:44:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1100 states have (on average 1.3681818181818182) internal successors, (1505), 1121 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1505 transitions. [2024-11-11 21:44:10,089 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1505 transitions. Word has length 89 [2024-11-11 21:44:10,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:10,090 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 1505 transitions. [2024-11-11 21:44:10,090 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) [2024-11-11 21:44:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1505 transitions. [2024-11-11 21:44:10,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-11 21:44:10,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:10,092 INFO L218 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] [2024-11-11 21:44:10,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 21:44:10,092 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:10,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:10,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1455647616, now seen corresponding path program 1 times [2024-11-11 21:44:10,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:10,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167306065] [2024-11-11 21:44:10,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:10,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:10,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:10,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:10,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167306065] [2024-11-11 21:44:10,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167306065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:10,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:10,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:44:10,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68147395] [2024-11-11 21:44:10,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:10,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:44:10,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:10,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:44:10,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:44:10,228 INFO L87 Difference]: Start difference. First operand 1122 states and 1505 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:10,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:10,543 INFO L93 Difference]: Finished difference Result 1612 states and 2170 transitions. [2024-11-11 21:44:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:44:10,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-11-11 21:44:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:10,548 INFO L225 Difference]: With dead ends: 1612 [2024-11-11 21:44:10,549 INFO L226 Difference]: Without dead ends: 1002 [2024-11-11 21:44:10,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:44:10,550 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 2698 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:10,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 557 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-11 21:44:10,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2024-11-11 21:44:10,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2024-11-11 21:44:10,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 980 states have (on average 1.3785714285714286) internal successors, (1351), 1001 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:10,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1351 transitions. [2024-11-11 21:44:10,562 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1351 transitions. Word has length 91 [2024-11-11 21:44:10,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:10,562 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1351 transitions. [2024-11-11 21:44:10,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1351 transitions. [2024-11-11 21:44:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-11 21:44:10,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:10,565 INFO L218 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] [2024-11-11 21:44:10,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 21:44:10,565 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:10,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:10,566 INFO L85 PathProgramCache]: Analyzing trace with hash 591523847, now seen corresponding path program 1 times [2024-11-11 21:44:10,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:10,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965300955] [2024-11-11 21:44:10,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:10,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:10,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:10,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965300955] [2024-11-11 21:44:10,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965300955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:10,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:10,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:44:10,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833129478] [2024-11-11 21:44:10,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:10,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:44:10,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:10,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:44:10,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:44:10,731 INFO L87 Difference]: Start difference. First operand 1002 states and 1351 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 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) [2024-11-11 21:44:11,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:11,128 INFO L93 Difference]: Finished difference Result 1453 states and 1960 transitions. [2024-11-11 21:44:11,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:44:11,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 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 [2024-11-11 21:44:11,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:11,131 INFO L225 Difference]: With dead ends: 1453 [2024-11-11 21:44:11,131 INFO L226 Difference]: Without dead ends: 994 [2024-11-11 21:44:11,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:44:11,133 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 2607 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2607 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:11,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2607 Valid, 482 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-11 21:44:11,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-11-11 21:44:11,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 994. [2024-11-11 21:44:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3786008230452675) internal successors, (1340), 993 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1340 transitions. [2024-11-11 21:44:11,149 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1340 transitions. Word has length 93 [2024-11-11 21:44:11,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:11,149 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1340 transitions. [2024-11-11 21:44:11,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 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) [2024-11-11 21:44:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1340 transitions. [2024-11-11 21:44:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-11 21:44:11,151 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:11,151 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:11,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 21:44:11,151 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:11,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:11,152 INFO L85 PathProgramCache]: Analyzing trace with hash 328441748, now seen corresponding path program 1 times [2024-11-11 21:44:11,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:11,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937815106] [2024-11-11 21:44:11,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:11,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:11,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:11,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937815106] [2024-11-11 21:44:11,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937815106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:11,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:11,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 21:44:11,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665293470] [2024-11-11 21:44:11,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:11,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 21:44:11,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:11,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 21:44:11,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-11 21:44:11,541 INFO L87 Difference]: Start difference. First operand 994 states and 1340 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:12,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:12,381 INFO L93 Difference]: Finished difference Result 1809 states and 2377 transitions. [2024-11-11 21:44:12,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 21:44:12,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-11 21:44:12,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:12,386 INFO L225 Difference]: With dead ends: 1809 [2024-11-11 21:44:12,386 INFO L226 Difference]: Without dead ends: 1357 [2024-11-11 21:44:12,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-11 21:44:12,388 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 4283 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4283 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:12,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4283 Valid, 1610 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:12,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2024-11-11 21:44:12,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 994. [2024-11-11 21:44:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3775720164609053) internal successors, (1339), 993 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1339 transitions. [2024-11-11 21:44:12,407 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1339 transitions. Word has length 95 [2024-11-11 21:44:12,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:12,407 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1339 transitions. [2024-11-11 21:44:12,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:12,408 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1339 transitions. [2024-11-11 21:44:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-11 21:44:12,409 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:12,410 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:12,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 21:44:12,410 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:12,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:12,410 INFO L85 PathProgramCache]: Analyzing trace with hash 556118932, now seen corresponding path program 1 times [2024-11-11 21:44:12,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:12,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622029937] [2024-11-11 21:44:12,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:12,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:12,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:12,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622029937] [2024-11-11 21:44:12,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622029937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:12,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:12,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:12,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372600200] [2024-11-11 21:44:12,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:12,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:12,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:12,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:12,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:12,819 INFO L87 Difference]: Start difference. First operand 994 states and 1339 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:13,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:13,690 INFO L93 Difference]: Finished difference Result 1355 states and 1851 transitions. [2024-11-11 21:44:13,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:13,690 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-11 21:44:13,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:13,693 INFO L225 Difference]: With dead ends: 1355 [2024-11-11 21:44:13,693 INFO L226 Difference]: Without dead ends: 1073 [2024-11-11 21:44:13,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:13,694 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 2621 mSDsluCounter, 2424 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 2961 SdHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:13,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 2961 Invalid, 2102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:13,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-11 21:44:13,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 994. [2024-11-11 21:44:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.376543209876543) internal successors, (1338), 993 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1338 transitions. [2024-11-11 21:44:13,705 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1338 transitions. Word has length 95 [2024-11-11 21:44:13,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:13,706 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1338 transitions. [2024-11-11 21:44:13,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1338 transitions. [2024-11-11 21:44:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-11 21:44:13,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:13,707 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:13,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 21:44:13,708 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:13,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:13,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1071889132, now seen corresponding path program 1 times [2024-11-11 21:44:13,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:13,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427296954] [2024-11-11 21:44:13,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:13,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:14,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:14,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427296954] [2024-11-11 21:44:14,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427296954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:14,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:14,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:14,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785435252] [2024-11-11 21:44:14,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:14,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:14,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:14,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:14,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:14,011 INFO L87 Difference]: Start difference. First operand 994 states and 1338 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:14,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:14,841 INFO L93 Difference]: Finished difference Result 1772 states and 2416 transitions. [2024-11-11 21:44:14,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:14,842 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-11 21:44:14,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:14,845 INFO L225 Difference]: With dead ends: 1772 [2024-11-11 21:44:14,846 INFO L226 Difference]: Without dead ends: 1566 [2024-11-11 21:44:14,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:14,847 INFO L435 NwaCegarLoop]: 643 mSDtfsCounter, 4639 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 1959 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4639 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:14,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4639 Valid, 2790 Invalid, 1966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1959 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-11 21:44:14,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 994. [2024-11-11 21:44:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.375514403292181) internal successors, (1337), 993 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1337 transitions. [2024-11-11 21:44:14,859 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1337 transitions. Word has length 95 [2024-11-11 21:44:14,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:14,859 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1337 transitions. [2024-11-11 21:44:14,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1337 transitions. [2024-11-11 21:44:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-11 21:44:14,861 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:14,861 INFO L218 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] [2024-11-11 21:44:14,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 21:44:14,861 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:14,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:14,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1164032538, now seen corresponding path program 1 times [2024-11-11 21:44:14,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:14,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992604398] [2024-11-11 21:44:14,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:14,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:15,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:15,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992604398] [2024-11-11 21:44:15,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992604398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:15,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:15,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:15,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100823686] [2024-11-11 21:44:15,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:15,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:15,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:15,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:15,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:15,135 INFO L87 Difference]: Start difference. First operand 994 states and 1337 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-11-11 21:44:15,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:15,932 INFO L93 Difference]: Finished difference Result 1708 states and 2321 transitions. [2024-11-11 21:44:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:15,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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 [2024-11-11 21:44:15,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:15,937 INFO L225 Difference]: With dead ends: 1708 [2024-11-11 21:44:15,937 INFO L226 Difference]: Without dead ends: 1536 [2024-11-11 21:44:15,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:15,938 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 4904 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4904 SdHoareTripleChecker+Valid, 2498 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:15,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4904 Valid, 2498 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1810 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:15,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-11-11 21:44:15,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 994. [2024-11-11 21:44:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.374485596707819) internal successors, (1336), 993 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1336 transitions. [2024-11-11 21:44:15,951 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1336 transitions. Word has length 96 [2024-11-11 21:44:15,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:15,952 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1336 transitions. [2024-11-11 21:44:15,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 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) [2024-11-11 21:44:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1336 transitions. [2024-11-11 21:44:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-11 21:44:15,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:15,954 INFO L218 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] [2024-11-11 21:44:15,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 21:44:15,954 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:15,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:15,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1887012889, now seen corresponding path program 1 times [2024-11-11 21:44:15,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:15,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144916746] [2024-11-11 21:44:15,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:15,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:16,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:16,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144916746] [2024-11-11 21:44:16,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144916746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:16,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:16,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:16,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392696333] [2024-11-11 21:44:16,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:16,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:16,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:16,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:16,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:16,228 INFO L87 Difference]: Start difference. First operand 994 states and 1336 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:17,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:17,006 INFO L93 Difference]: Finished difference Result 1580 states and 2157 transitions. [2024-11-11 21:44:17,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 21:44:17,007 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-11-11 21:44:17,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:17,009 INFO L225 Difference]: With dead ends: 1580 [2024-11-11 21:44:17,009 INFO L226 Difference]: Without dead ends: 1149 [2024-11-11 21:44:17,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2024-11-11 21:44:17,011 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 2675 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2675 SdHoareTripleChecker+Valid, 2495 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:17,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2675 Valid, 2495 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-11-11 21:44:17,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 994. [2024-11-11 21:44:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3724279835390947) internal successors, (1334), 993 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1334 transitions. [2024-11-11 21:44:17,024 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1334 transitions. Word has length 97 [2024-11-11 21:44:17,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:17,024 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1334 transitions. [2024-11-11 21:44:17,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:17,025 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1334 transitions. [2024-11-11 21:44:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-11 21:44:17,026 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:17,026 INFO L218 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] [2024-11-11 21:44:17,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 21:44:17,026 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:17,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:17,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2083812519, now seen corresponding path program 1 times [2024-11-11 21:44:17,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:17,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518411900] [2024-11-11 21:44:17,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:17,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:17,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:17,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518411900] [2024-11-11 21:44:17,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518411900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:17,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:17,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:17,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670278185] [2024-11-11 21:44:17,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:17,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:17,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:17,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:17,306 INFO L87 Difference]: Start difference. First operand 994 states and 1334 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:18,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:18,017 INFO L93 Difference]: Finished difference Result 1681 states and 2269 transitions. [2024-11-11 21:44:18,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:18,017 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-11-11 21:44:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:18,021 INFO L225 Difference]: With dead ends: 1681 [2024-11-11 21:44:18,021 INFO L226 Difference]: Without dead ends: 1512 [2024-11-11 21:44:18,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:18,022 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 3677 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3677 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:18,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3677 Valid, 2328 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:18,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-11 21:44:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 994. [2024-11-11 21:44:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3703703703703705) internal successors, (1332), 993 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1332 transitions. [2024-11-11 21:44:18,032 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1332 transitions. Word has length 97 [2024-11-11 21:44:18,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:18,033 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1332 transitions. [2024-11-11 21:44:18,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1332 transitions. [2024-11-11 21:44:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-11 21:44:18,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:18,034 INFO L218 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] [2024-11-11 21:44:18,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 21:44:18,035 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:18,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:18,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1112735129, now seen corresponding path program 1 times [2024-11-11 21:44:18,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:18,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157272004] [2024-11-11 21:44:18,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:18,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:18,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:18,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157272004] [2024-11-11 21:44:18,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157272004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:18,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:18,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:18,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240360972] [2024-11-11 21:44:18,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:18,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:18,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:18,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:18,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:18,309 INFO L87 Difference]: Start difference. First operand 994 states and 1332 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:19,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:19,226 INFO L93 Difference]: Finished difference Result 1824 states and 2477 transitions. [2024-11-11 21:44:19,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:19,226 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-11-11 21:44:19,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:19,230 INFO L225 Difference]: With dead ends: 1824 [2024-11-11 21:44:19,230 INFO L226 Difference]: Without dead ends: 1566 [2024-11-11 21:44:19,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:19,231 INFO L435 NwaCegarLoop]: 773 mSDtfsCounter, 4003 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:19,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4003 Valid, 3309 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2243 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-11 21:44:19,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-11 21:44:19,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 994. [2024-11-11 21:44:19,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.368312757201646) internal successors, (1330), 993 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1330 transitions. [2024-11-11 21:44:19,247 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1330 transitions. Word has length 97 [2024-11-11 21:44:19,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:19,247 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1330 transitions. [2024-11-11 21:44:19,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1330 transitions. [2024-11-11 21:44:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-11 21:44:19,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:19,250 INFO L218 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] [2024-11-11 21:44:19,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 21:44:19,250 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:19,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:19,250 INFO L85 PathProgramCache]: Analyzing trace with hash 725787161, now seen corresponding path program 1 times [2024-11-11 21:44:19,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:19,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232472120] [2024-11-11 21:44:19,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:19,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:19,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:19,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232472120] [2024-11-11 21:44:19,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232472120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:19,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:19,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:19,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859910917] [2024-11-11 21:44:19,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:19,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:19,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:19,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:19,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:19,506 INFO L87 Difference]: Start difference. First operand 994 states and 1330 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:20,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:20,231 INFO L93 Difference]: Finished difference Result 1470 states and 1940 transitions. [2024-11-11 21:44:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:20,231 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-11-11 21:44:20,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:20,234 INFO L225 Difference]: With dead ends: 1470 [2024-11-11 21:44:20,234 INFO L226 Difference]: Without dead ends: 1464 [2024-11-11 21:44:20,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:20,235 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 2479 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 2153 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:20,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 2153 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:20,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2024-11-11 21:44:20,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 994. [2024-11-11 21:44:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.367283950617284) internal successors, (1329), 993 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1329 transitions. [2024-11-11 21:44:20,246 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1329 transitions. Word has length 97 [2024-11-11 21:44:20,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:20,246 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1329 transitions. [2024-11-11 21:44:20,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1329 transitions. [2024-11-11 21:44:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-11 21:44:20,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:20,248 INFO L218 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] [2024-11-11 21:44:20,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 21:44:20,248 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:20,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:20,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1939604839, now seen corresponding path program 1 times [2024-11-11 21:44:20,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:20,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828458727] [2024-11-11 21:44:20,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:20,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:20,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:20,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828458727] [2024-11-11 21:44:20,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828458727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:20,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:20,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:20,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207712234] [2024-11-11 21:44:20,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:20,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:20,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:20,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:20,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:20,546 INFO L87 Difference]: Start difference. First operand 994 states and 1329 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:21,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:21,355 INFO L93 Difference]: Finished difference Result 1669 states and 2247 transitions. [2024-11-11 21:44:21,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:21,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-11-11 21:44:21,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:21,359 INFO L225 Difference]: With dead ends: 1669 [2024-11-11 21:44:21,359 INFO L226 Difference]: Without dead ends: 1512 [2024-11-11 21:44:21,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:21,360 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 4149 mSDsluCounter, 2346 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4149 SdHoareTripleChecker+Valid, 2888 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:21,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4149 Valid, 2888 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:21,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-11 21:44:21,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 994. [2024-11-11 21:44:21,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3662551440329218) internal successors, (1328), 993 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1328 transitions. [2024-11-11 21:44:21,370 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1328 transitions. Word has length 97 [2024-11-11 21:44:21,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:21,370 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1328 transitions. [2024-11-11 21:44:21,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1328 transitions. [2024-11-11 21:44:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-11 21:44:21,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:21,372 INFO L218 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] [2024-11-11 21:44:21,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 21:44:21,372 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:21,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:21,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1267448231, now seen corresponding path program 1 times [2024-11-11 21:44:21,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:21,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044455926] [2024-11-11 21:44:21,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:21,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:21,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:21,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044455926] [2024-11-11 21:44:21,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044455926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:21,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:21,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:44:21,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849543400] [2024-11-11 21:44:21,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:21,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:44:21,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:21,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:44:21,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:44:21,873 INFO L87 Difference]: Start difference. First operand 994 states and 1328 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-11-11 21:44:23,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:23,326 INFO L93 Difference]: Finished difference Result 2398 states and 3320 transitions. [2024-11-11 21:44:23,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 21:44:23,327 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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 [2024-11-11 21:44:23,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:23,331 INFO L225 Difference]: With dead ends: 2398 [2024-11-11 21:44:23,331 INFO L226 Difference]: Without dead ends: 2178 [2024-11-11 21:44:23,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-11 21:44:23,332 INFO L435 NwaCegarLoop]: 806 mSDtfsCounter, 5593 mSDsluCounter, 3243 mSDsCounter, 0 mSdLazyCounter, 2924 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5593 SdHoareTripleChecker+Valid, 4049 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:23,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5593 Valid, 4049 Invalid, 3126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2924 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-11 21:44:23,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2024-11-11 21:44:23,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 999. [2024-11-11 21:44:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3643807574206754) internal successors, (1333), 998 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1333 transitions. [2024-11-11 21:44:23,345 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1333 transitions. Word has length 97 [2024-11-11 21:44:23,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:23,346 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1333 transitions. [2024-11-11 21:44:23,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 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) [2024-11-11 21:44:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1333 transitions. [2024-11-11 21:44:23,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-11 21:44:23,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:23,347 INFO L218 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] [2024-11-11 21:44:23,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-11 21:44:23,348 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:23,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:23,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1888632039, now seen corresponding path program 1 times [2024-11-11 21:44:23,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:23,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924464376] [2024-11-11 21:44:23,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:23,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:23,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:23,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924464376] [2024-11-11 21:44:23,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924464376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:23,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:23,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:23,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409991780] [2024-11-11 21:44:23,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:23,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:23,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:23,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:23,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:23,610 INFO L87 Difference]: Start difference. First operand 999 states and 1333 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:24,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:24,609 INFO L93 Difference]: Finished difference Result 1718 states and 2321 transitions. [2024-11-11 21:44:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:24,609 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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 [2024-11-11 21:44:24,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:24,612 INFO L225 Difference]: With dead ends: 1718 [2024-11-11 21:44:24,613 INFO L226 Difference]: Without dead ends: 1541 [2024-11-11 21:44:24,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:24,613 INFO L435 NwaCegarLoop]: 629 mSDtfsCounter, 3091 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:24,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3091 Valid, 3296 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-11 21:44:24,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-11-11 21:44:24,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 999. [2024-11-11 21:44:24,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3633572159672467) internal successors, (1332), 998 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1332 transitions. [2024-11-11 21:44:24,624 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1332 transitions. Word has length 97 [2024-11-11 21:44:24,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:24,625 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1332 transitions. [2024-11-11 21:44:24,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 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) [2024-11-11 21:44:24,625 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1332 transitions. [2024-11-11 21:44:24,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-11 21:44:24,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:24,626 INFO L218 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] [2024-11-11 21:44:24,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-11 21:44:24,627 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:24,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:24,627 INFO L85 PathProgramCache]: Analyzing trace with hash -983974751, now seen corresponding path program 1 times [2024-11-11 21:44:24,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:24,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025661237] [2024-11-11 21:44:24,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:24,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:24,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:24,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025661237] [2024-11-11 21:44:24,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025661237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:24,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:24,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:24,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295363527] [2024-11-11 21:44:24,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:24,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:24,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:24,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:24,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:24,885 INFO L87 Difference]: Start difference. First operand 999 states and 1332 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:25,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:25,667 INFO L93 Difference]: Finished difference Result 1740 states and 2348 transitions. [2024-11-11 21:44:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:25,667 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-11-11 21:44:25,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:25,671 INFO L225 Difference]: With dead ends: 1740 [2024-11-11 21:44:25,671 INFO L226 Difference]: Without dead ends: 1541 [2024-11-11 21:44:25,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:25,672 INFO L435 NwaCegarLoop]: 628 mSDtfsCounter, 3350 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3350 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 1928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:25,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3350 Valid, 2709 Invalid, 1928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1922 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:25,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-11-11 21:44:25,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 999. [2024-11-11 21:44:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.361310133060389) internal successors, (1330), 998 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:25,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1330 transitions. [2024-11-11 21:44:25,683 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1330 transitions. Word has length 98 [2024-11-11 21:44:25,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:25,683 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1330 transitions. [2024-11-11 21:44:25,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:25,683 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1330 transitions. [2024-11-11 21:44:25,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-11 21:44:25,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:25,684 INFO L218 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] [2024-11-11 21:44:25,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-11 21:44:25,685 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:25,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:25,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1325336959, now seen corresponding path program 1 times [2024-11-11 21:44:25,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:25,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863104762] [2024-11-11 21:44:25,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:25,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:25,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:25,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:25,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863104762] [2024-11-11 21:44:25,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863104762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:25,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:25,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:25,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109509557] [2024-11-11 21:44:25,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:25,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:25,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:25,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:25,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:25,990 INFO L87 Difference]: Start difference. First operand 999 states and 1330 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:26,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:26,851 INFO L93 Difference]: Finished difference Result 1685 states and 2262 transitions. [2024-11-11 21:44:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:26,852 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-11-11 21:44:26,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:26,854 INFO L225 Difference]: With dead ends: 1685 [2024-11-11 21:44:26,854 INFO L226 Difference]: Without dead ends: 1517 [2024-11-11 21:44:26,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:26,855 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 4055 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4055 SdHoareTripleChecker+Valid, 3062 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:26,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4055 Valid, 3062 Invalid, 2171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:26,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2024-11-11 21:44:26,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 999. [2024-11-11 21:44:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3592630501535312) internal successors, (1328), 998 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1328 transitions. [2024-11-11 21:44:26,865 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1328 transitions. Word has length 98 [2024-11-11 21:44:26,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:26,865 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1328 transitions. [2024-11-11 21:44:26,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1328 transitions. [2024-11-11 21:44:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-11 21:44:26,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:26,885 INFO L218 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] [2024-11-11 21:44:26,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-11 21:44:26,885 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:26,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:26,886 INFO L85 PathProgramCache]: Analyzing trace with hash -773485919, now seen corresponding path program 1 times [2024-11-11 21:44:26,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:26,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007974886] [2024-11-11 21:44:26,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:26,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:27,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:27,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007974886] [2024-11-11 21:44:27,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007974886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:27,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:27,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:44:27,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58521041] [2024-11-11 21:44:27,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:27,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:44:27,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:27,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:44:27,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:44:27,340 INFO L87 Difference]: Start difference. First operand 999 states and 1328 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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) [2024-11-11 21:44:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:28,822 INFO L93 Difference]: Finished difference Result 2250 states and 3094 transitions. [2024-11-11 21:44:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 21:44:28,823 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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 [2024-11-11 21:44:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:28,827 INFO L225 Difference]: With dead ends: 2250 [2024-11-11 21:44:28,827 INFO L226 Difference]: Without dead ends: 2073 [2024-11-11 21:44:28,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-11 21:44:28,828 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 7272 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7272 SdHoareTripleChecker+Valid, 3897 SdHoareTripleChecker+Invalid, 3138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:28,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7272 Valid, 3897 Invalid, 3138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 21:44:28,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-11-11 21:44:28,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 1004. [2024-11-11 21:44:28,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3574338085539714) internal successors, (1333), 1003 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1333 transitions. [2024-11-11 21:44:28,844 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1333 transitions. Word has length 98 [2024-11-11 21:44:28,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:28,844 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1333 transitions. [2024-11-11 21:44:28,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 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) [2024-11-11 21:44:28,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1333 transitions. [2024-11-11 21:44:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-11 21:44:28,846 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:28,846 INFO L218 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] [2024-11-11 21:44:28,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-11 21:44:28,846 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:28,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:28,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1077039647, now seen corresponding path program 1 times [2024-11-11 21:44:28,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:28,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482046490] [2024-11-11 21:44:28,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:28,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:29,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:29,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482046490] [2024-11-11 21:44:29,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482046490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:29,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:29,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:29,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936214725] [2024-11-11 21:44:29,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:29,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:29,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:29,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:29,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:29,127 INFO L87 Difference]: Start difference. First operand 1004 states and 1333 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:29,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:29,969 INFO L93 Difference]: Finished difference Result 1680 states and 2252 transitions. [2024-11-11 21:44:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:29,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-11-11 21:44:29,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:29,971 INFO L225 Difference]: With dead ends: 1680 [2024-11-11 21:44:29,971 INFO L226 Difference]: Without dead ends: 1522 [2024-11-11 21:44:29,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:29,972 INFO L435 NwaCegarLoop]: 641 mSDtfsCounter, 3953 mSDsluCounter, 2639 mSDsCounter, 0 mSdLazyCounter, 2335 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:29,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 3280 Invalid, 2341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2335 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:29,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2024-11-11 21:44:29,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1004. [2024-11-11 21:44:29,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3564154786150713) internal successors, (1332), 1003 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1332 transitions. [2024-11-11 21:44:29,982 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1332 transitions. Word has length 98 [2024-11-11 21:44:29,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:29,982 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1332 transitions. [2024-11-11 21:44:29,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1332 transitions. [2024-11-11 21:44:29,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-11 21:44:29,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:29,983 INFO L218 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] [2024-11-11 21:44:29,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-11 21:44:29,984 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:29,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:29,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1588992191, now seen corresponding path program 1 times [2024-11-11 21:44:29,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:29,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210410659] [2024-11-11 21:44:29,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:29,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:30,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:30,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210410659] [2024-11-11 21:44:30,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210410659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:30,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:30,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:30,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193059734] [2024-11-11 21:44:30,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:30,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:30,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:30,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:30,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:30,230 INFO L87 Difference]: Start difference. First operand 1004 states and 1332 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:30,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:30,965 INFO L93 Difference]: Finished difference Result 1680 states and 2251 transitions. [2024-11-11 21:44:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:30,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-11-11 21:44:30,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:30,972 INFO L225 Difference]: With dead ends: 1680 [2024-11-11 21:44:30,972 INFO L226 Difference]: Without dead ends: 1522 [2024-11-11 21:44:30,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:30,973 INFO L435 NwaCegarLoop]: 584 mSDtfsCounter, 4007 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4007 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 1805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:30,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4007 Valid, 2496 Invalid, 1805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:30,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2024-11-11 21:44:30,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1004. [2024-11-11 21:44:30,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3553971486761711) internal successors, (1331), 1003 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1331 transitions. [2024-11-11 21:44:30,985 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1331 transitions. Word has length 98 [2024-11-11 21:44:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:30,986 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1331 transitions. [2024-11-11 21:44:30,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1331 transitions. [2024-11-11 21:44:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-11 21:44:30,987 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:30,987 INFO L218 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] [2024-11-11 21:44:30,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-11 21:44:30,987 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:30,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1926953537, now seen corresponding path program 1 times [2024-11-11 21:44:30,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:30,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004381128] [2024-11-11 21:44:30,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:30,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:31,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:31,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004381128] [2024-11-11 21:44:31,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004381128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:31,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:31,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:31,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542269879] [2024-11-11 21:44:31,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:31,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:31,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:31,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:31,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:31,303 INFO L87 Difference]: Start difference. First operand 1004 states and 1331 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:32,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:32,046 INFO L93 Difference]: Finished difference Result 1623 states and 2156 transitions. [2024-11-11 21:44:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:32,046 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-11-11 21:44:32,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:32,048 INFO L225 Difference]: With dead ends: 1623 [2024-11-11 21:44:32,048 INFO L226 Difference]: Without dead ends: 1474 [2024-11-11 21:44:32,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:32,049 INFO L435 NwaCegarLoop]: 545 mSDtfsCounter, 4150 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4150 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:32,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4150 Valid, 2769 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:32,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2024-11-11 21:44:32,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1004. [2024-11-11 21:44:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.354378818737271) internal successors, (1330), 1003 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1330 transitions. [2024-11-11 21:44:32,058 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1330 transitions. Word has length 98 [2024-11-11 21:44:32,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:32,058 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1330 transitions. [2024-11-11 21:44:32,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1330 transitions. [2024-11-11 21:44:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-11 21:44:32,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:32,059 INFO L218 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] [2024-11-11 21:44:32,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-11 21:44:32,059 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:32,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:32,060 INFO L85 PathProgramCache]: Analyzing trace with hash -650592069, now seen corresponding path program 1 times [2024-11-11 21:44:32,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:32,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485890454] [2024-11-11 21:44:32,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:32,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:32,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:32,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485890454] [2024-11-11 21:44:32,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485890454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:32,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:32,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:32,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246822268] [2024-11-11 21:44:32,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:32,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:32,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:32,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:32,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:32,269 INFO L87 Difference]: Start difference. First operand 1004 states and 1330 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:32,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:32,966 INFO L93 Difference]: Finished difference Result 1684 states and 2252 transitions. [2024-11-11 21:44:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:32,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-11-11 21:44:32,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:32,969 INFO L225 Difference]: With dead ends: 1684 [2024-11-11 21:44:32,969 INFO L226 Difference]: Without dead ends: 1522 [2024-11-11 21:44:32,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:32,969 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 3489 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3489 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:32,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3489 Valid, 2505 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:32,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2024-11-11 21:44:32,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1004. [2024-11-11 21:44:32,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3533604887983706) internal successors, (1329), 1003 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:32,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1329 transitions. [2024-11-11 21:44:32,978 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1329 transitions. Word has length 98 [2024-11-11 21:44:32,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:32,978 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1329 transitions. [2024-11-11 21:44:32,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1329 transitions. [2024-11-11 21:44:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-11 21:44:32,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:32,979 INFO L218 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] [2024-11-11 21:44:32,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-11 21:44:32,979 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:32,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:32,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1680548315, now seen corresponding path program 1 times [2024-11-11 21:44:32,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:32,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204631223] [2024-11-11 21:44:32,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:32,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:33,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:33,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204631223] [2024-11-11 21:44:33,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204631223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:33,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:33,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:33,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492509123] [2024-11-11 21:44:33,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:33,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:33,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:33,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:33,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:33,190 INFO L87 Difference]: Start difference. First operand 1004 states and 1329 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:34,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:34,189 INFO L93 Difference]: Finished difference Result 1791 states and 2412 transitions. [2024-11-11 21:44:34,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:34,189 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-11-11 21:44:34,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:34,192 INFO L225 Difference]: With dead ends: 1791 [2024-11-11 21:44:34,192 INFO L226 Difference]: Without dead ends: 1571 [2024-11-11 21:44:34,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:34,193 INFO L435 NwaCegarLoop]: 821 mSDtfsCounter, 2714 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 2393 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:34,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 3496 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2393 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-11 21:44:34,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2024-11-11 21:44:34,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 999. [2024-11-11 21:44:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.354145342886387) internal successors, (1323), 998 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1323 transitions. [2024-11-11 21:44:34,202 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1323 transitions. Word has length 98 [2024-11-11 21:44:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:34,202 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1323 transitions. [2024-11-11 21:44:34,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1323 transitions. [2024-11-11 21:44:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-11 21:44:34,203 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:34,203 INFO L218 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] [2024-11-11 21:44:34,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-11 21:44:34,203 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:34,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:34,204 INFO L85 PathProgramCache]: Analyzing trace with hash -542784863, now seen corresponding path program 1 times [2024-11-11 21:44:34,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:34,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634403474] [2024-11-11 21:44:34,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:34,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:34,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:34,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634403474] [2024-11-11 21:44:34,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634403474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:34,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:34,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:34,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076867835] [2024-11-11 21:44:34,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:34,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:34,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:34,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:34,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:34,419 INFO L87 Difference]: Start difference. First operand 999 states and 1323 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:35,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:35,219 INFO L93 Difference]: Finished difference Result 1675 states and 2241 transitions. [2024-11-11 21:44:35,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:35,219 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-11-11 21:44:35,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:35,221 INFO L225 Difference]: With dead ends: 1675 [2024-11-11 21:44:35,221 INFO L226 Difference]: Without dead ends: 1517 [2024-11-11 21:44:35,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:35,222 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 3156 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3156 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 1957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:35,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3156 Valid, 2788 Invalid, 1957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:35,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2024-11-11 21:44:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 999. [2024-11-11 21:44:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.353121801432958) internal successors, (1322), 998 states have internal predecessors, (1322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1322 transitions. [2024-11-11 21:44:35,231 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1322 transitions. Word has length 98 [2024-11-11 21:44:35,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:35,231 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1322 transitions. [2024-11-11 21:44:35,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-11 21:44:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1322 transitions. [2024-11-11 21:44:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:35,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:35,232 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:35,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-11 21:44:35,232 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:35,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:35,233 INFO L85 PathProgramCache]: Analyzing trace with hash -308070434, now seen corresponding path program 1 times [2024-11-11 21:44:35,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:35,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732974883] [2024-11-11 21:44:35,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:35,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:35,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:35,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732974883] [2024-11-11 21:44:35,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732974883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:35,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:35,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461624894] [2024-11-11 21:44:35,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:35,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:35,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:35,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:35,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:35,446 INFO L87 Difference]: Start difference. First operand 999 states and 1322 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:36,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:36,245 INFO L93 Difference]: Finished difference Result 1863 states and 2504 transitions. [2024-11-11 21:44:36,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:36,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:36,247 INFO L225 Difference]: With dead ends: 1863 [2024-11-11 21:44:36,248 INFO L226 Difference]: Without dead ends: 1571 [2024-11-11 21:44:36,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:36,248 INFO L435 NwaCegarLoop]: 817 mSDtfsCounter, 1850 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 2375 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 3480 SdHoareTripleChecker+Invalid, 2380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:36,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1850 Valid, 3480 Invalid, 2380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2375 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:36,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2024-11-11 21:44:36,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 999. [2024-11-11 21:44:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3510747185261003) internal successors, (1320), 998 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1320 transitions. [2024-11-11 21:44:36,257 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1320 transitions. Word has length 99 [2024-11-11 21:44:36,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:36,257 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1320 transitions. [2024-11-11 21:44:36,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:36,257 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1320 transitions. [2024-11-11 21:44:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:36,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:36,258 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:36,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-11 21:44:36,259 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:36,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:36,259 INFO L85 PathProgramCache]: Analyzing trace with hash 234210846, now seen corresponding path program 1 times [2024-11-11 21:44:36,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:36,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846144600] [2024-11-11 21:44:36,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:36,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:36,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:36,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846144600] [2024-11-11 21:44:36,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846144600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:36,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:36,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:36,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991343899] [2024-11-11 21:44:36,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:36,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:36,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:36,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:36,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:36,496 INFO L87 Difference]: Start difference. First operand 999 states and 1320 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:37,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:37,264 INFO L93 Difference]: Finished difference Result 1747 states and 2344 transitions. [2024-11-11 21:44:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:37,264 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:37,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:37,267 INFO L225 Difference]: With dead ends: 1747 [2024-11-11 21:44:37,267 INFO L226 Difference]: Without dead ends: 1536 [2024-11-11 21:44:37,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:37,268 INFO L435 NwaCegarLoop]: 733 mSDtfsCounter, 4076 mSDsluCounter, 2394 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4076 SdHoareTripleChecker+Valid, 3127 SdHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:37,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4076 Valid, 3127 Invalid, 2102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:37,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-11-11 21:44:37,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 999. [2024-11-11 21:44:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3490276356192425) internal successors, (1318), 998 states have internal predecessors, (1318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1318 transitions. [2024-11-11 21:44:37,277 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1318 transitions. Word has length 99 [2024-11-11 21:44:37,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:37,277 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1318 transitions. [2024-11-11 21:44:37,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1318 transitions. [2024-11-11 21:44:37,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:37,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:37,279 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:37,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-11 21:44:37,279 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:37,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:37,280 INFO L85 PathProgramCache]: Analyzing trace with hash -271572002, now seen corresponding path program 1 times [2024-11-11 21:44:37,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:37,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094925688] [2024-11-11 21:44:37,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:37,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:37,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:37,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094925688] [2024-11-11 21:44:37,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094925688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:37,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:37,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:37,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855287275] [2024-11-11 21:44:37,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:37,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:37,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:37,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:37,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:37,526 INFO L87 Difference]: Start difference. First operand 999 states and 1318 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:38,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:38,203 INFO L93 Difference]: Finished difference Result 1627 states and 2153 transitions. [2024-11-11 21:44:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:38,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:38,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:38,205 INFO L225 Difference]: With dead ends: 1627 [2024-11-11 21:44:38,206 INFO L226 Difference]: Without dead ends: 1469 [2024-11-11 21:44:38,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:38,206 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 4617 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4617 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:38,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4617 Valid, 2335 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:38,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2024-11-11 21:44:38,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 999. [2024-11-11 21:44:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3469805527123848) internal successors, (1316), 998 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1316 transitions. [2024-11-11 21:44:38,216 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1316 transitions. Word has length 99 [2024-11-11 21:44:38,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:38,216 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1316 transitions. [2024-11-11 21:44:38,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1316 transitions. [2024-11-11 21:44:38,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:38,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:38,218 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:38,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-11 21:44:38,218 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:38,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:38,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1756072034, now seen corresponding path program 1 times [2024-11-11 21:44:38,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:38,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765839128] [2024-11-11 21:44:38,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:38,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:38,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:38,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765839128] [2024-11-11 21:44:38,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765839128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:38,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:38,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:38,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730294260] [2024-11-11 21:44:38,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:38,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:38,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:38,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:38,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:38,439 INFO L87 Difference]: Start difference. First operand 999 states and 1316 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:39,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:39,172 INFO L93 Difference]: Finished difference Result 1733 states and 2319 transitions. [2024-11-11 21:44:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:39,173 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:39,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:39,175 INFO L225 Difference]: With dead ends: 1733 [2024-11-11 21:44:39,175 INFO L226 Difference]: Without dead ends: 1536 [2024-11-11 21:44:39,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:39,176 INFO L435 NwaCegarLoop]: 731 mSDtfsCounter, 3723 mSDsluCounter, 2387 mSDsCounter, 0 mSdLazyCounter, 2088 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3723 SdHoareTripleChecker+Valid, 3118 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:39,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3723 Valid, 3118 Invalid, 2095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2088 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:39,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-11-11 21:44:39,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 999. [2024-11-11 21:44:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.344933469805527) internal successors, (1314), 998 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1314 transitions. [2024-11-11 21:44:39,184 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1314 transitions. Word has length 99 [2024-11-11 21:44:39,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:39,184 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1314 transitions. [2024-11-11 21:44:39,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1314 transitions. [2024-11-11 21:44:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:39,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:39,185 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:39,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-11 21:44:39,185 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:39,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:39,185 INFO L85 PathProgramCache]: Analyzing trace with hash 786851038, now seen corresponding path program 1 times [2024-11-11 21:44:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:39,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949099371] [2024-11-11 21:44:39,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:39,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:39,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:39,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949099371] [2024-11-11 21:44:39,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949099371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:39,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:39,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:39,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120374980] [2024-11-11 21:44:39,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:39,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:39,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:39,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:39,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:39,404 INFO L87 Difference]: Start difference. First operand 999 states and 1314 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:40,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:40,088 INFO L93 Difference]: Finished difference Result 1475 states and 1921 transitions. [2024-11-11 21:44:40,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:40,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:40,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:40,091 INFO L225 Difference]: With dead ends: 1475 [2024-11-11 21:44:40,091 INFO L226 Difference]: Without dead ends: 1469 [2024-11-11 21:44:40,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:40,092 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 3491 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3491 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:40,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3491 Valid, 2335 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1720 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:40,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2024-11-11 21:44:40,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 999. [2024-11-11 21:44:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3428863868986693) internal successors, (1312), 998 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1312 transitions. [2024-11-11 21:44:40,102 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1312 transitions. Word has length 99 [2024-11-11 21:44:40,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:40,102 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1312 transitions. [2024-11-11 21:44:40,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1312 transitions. [2024-11-11 21:44:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:40,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:40,103 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:40,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-11 21:44:40,104 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:40,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:40,104 INFO L85 PathProgramCache]: Analyzing trace with hash -370973194, now seen corresponding path program 1 times [2024-11-11 21:44:40,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:40,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350036461] [2024-11-11 21:44:40,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:40,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:40,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:40,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350036461] [2024-11-11 21:44:40,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350036461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:40,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:40,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:40,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800822532] [2024-11-11 21:44:40,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:40,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:40,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:40,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:40,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:40,353 INFO L87 Difference]: Start difference. First operand 999 states and 1312 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:41,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:41,169 INFO L93 Difference]: Finished difference Result 1617 states and 2132 transitions. [2024-11-11 21:44:41,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:41,173 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:41,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:41,175 INFO L225 Difference]: With dead ends: 1617 [2024-11-11 21:44:41,175 INFO L226 Difference]: Without dead ends: 1467 [2024-11-11 21:44:41,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:41,176 INFO L435 NwaCegarLoop]: 564 mSDtfsCounter, 4066 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4066 SdHoareTripleChecker+Valid, 2843 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:41,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4066 Valid, 2843 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2024-11-11 21:44:41,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 997. [2024-11-11 21:44:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 975 states have (on average 1.3415384615384616) internal successors, (1308), 996 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1308 transitions. [2024-11-11 21:44:41,185 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1308 transitions. Word has length 99 [2024-11-11 21:44:41,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:41,185 INFO L471 AbstractCegarLoop]: Abstraction has 997 states and 1308 transitions. [2024-11-11 21:44:41,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1308 transitions. [2024-11-11 21:44:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:41,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:41,186 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:41,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-11 21:44:41,186 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:41,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:41,187 INFO L85 PathProgramCache]: Analyzing trace with hash 193533868, now seen corresponding path program 1 times [2024-11-11 21:44:41,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:41,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068866820] [2024-11-11 21:44:41,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:41,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:41,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:41,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068866820] [2024-11-11 21:44:41,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068866820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:41,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:41,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:41,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076904077] [2024-11-11 21:44:41,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:41,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:41,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:41,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:41,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:41,424 INFO L87 Difference]: Start difference. First operand 997 states and 1308 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:42,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:42,176 INFO L93 Difference]: Finished difference Result 1615 states and 2128 transitions. [2024-11-11 21:44:42,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:42,176 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:42,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:42,178 INFO L225 Difference]: With dead ends: 1615 [2024-11-11 21:44:42,178 INFO L226 Difference]: Without dead ends: 1466 [2024-11-11 21:44:42,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:42,179 INFO L435 NwaCegarLoop]: 564 mSDtfsCounter, 4058 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4058 SdHoareTripleChecker+Valid, 2843 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:42,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4058 Valid, 2843 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2024-11-11 21:44:42,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 996. [2024-11-11 21:44:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 974 states have (on average 1.3408624229979467) internal successors, (1306), 995 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1306 transitions. [2024-11-11 21:44:42,187 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1306 transitions. Word has length 99 [2024-11-11 21:44:42,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:42,187 INFO L471 AbstractCegarLoop]: Abstraction has 996 states and 1306 transitions. [2024-11-11 21:44:42,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1306 transitions. [2024-11-11 21:44:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:42,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:42,189 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:42,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-11 21:44:42,189 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:42,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:42,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1237089452, now seen corresponding path program 1 times [2024-11-11 21:44:42,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:42,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973922414] [2024-11-11 21:44:42,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:42,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:42,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:42,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973922414] [2024-11-11 21:44:42,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973922414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:42,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:42,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:42,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456966955] [2024-11-11 21:44:42,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:42,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:42,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:42,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:42,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:42,392 INFO L87 Difference]: Start difference. First operand 996 states and 1306 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:43,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:43,144 INFO L93 Difference]: Finished difference Result 1614 states and 2126 transitions. [2024-11-11 21:44:43,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:43,144 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:43,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:43,146 INFO L225 Difference]: With dead ends: 1614 [2024-11-11 21:44:43,146 INFO L226 Difference]: Without dead ends: 1465 [2024-11-11 21:44:43,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:43,147 INFO L435 NwaCegarLoop]: 632 mSDtfsCounter, 3089 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 2175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3089 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:43,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3089 Valid, 3115 Invalid, 2180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2175 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:43,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2024-11-11 21:44:43,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 995. [2024-11-11 21:44:43,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 995 states, 973 states have (on average 1.3401849948612539) internal successors, (1304), 994 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1304 transitions. [2024-11-11 21:44:43,155 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1304 transitions. Word has length 99 [2024-11-11 21:44:43,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:43,155 INFO L471 AbstractCegarLoop]: Abstraction has 995 states and 1304 transitions. [2024-11-11 21:44:43,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1304 transitions. [2024-11-11 21:44:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:43,156 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:43,156 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:43,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-11 21:44:43,156 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:43,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:43,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1049556564, now seen corresponding path program 1 times [2024-11-11 21:44:43,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:43,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001651431] [2024-11-11 21:44:43,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:43,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:43,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:43,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001651431] [2024-11-11 21:44:43,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001651431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:43,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:43,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:43,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339334085] [2024-11-11 21:44:43,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:43,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:43,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:43,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:43,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:43,366 INFO L87 Difference]: Start difference. First operand 995 states and 1304 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:44,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:44,021 INFO L93 Difference]: Finished difference Result 1612 states and 2123 transitions. [2024-11-11 21:44:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:44,021 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:44,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:44,023 INFO L225 Difference]: With dead ends: 1612 [2024-11-11 21:44:44,023 INFO L226 Difference]: Without dead ends: 1463 [2024-11-11 21:44:44,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:44,023 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 4003 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:44,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4003 Valid, 2320 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:44,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2024-11-11 21:44:44,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 994. [2024-11-11 21:44:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3395061728395061) internal successors, (1302), 993 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1302 transitions. [2024-11-11 21:44:44,031 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1302 transitions. Word has length 99 [2024-11-11 21:44:44,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:44,032 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1302 transitions. [2024-11-11 21:44:44,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1302 transitions. [2024-11-11 21:44:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:44,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:44,033 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:44,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-11 21:44:44,033 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:44,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:44,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1664921314, now seen corresponding path program 1 times [2024-11-11 21:44:44,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:44,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810988178] [2024-11-11 21:44:44,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:44,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:44,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:44,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810988178] [2024-11-11 21:44:44,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810988178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:44,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:44,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-11 21:44:44,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161302819] [2024-11-11 21:44:44,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:44,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-11 21:44:44,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:44,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-11 21:44:44,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-11 21:44:44,535 INFO L87 Difference]: Start difference. First operand 994 states and 1302 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:45,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:45,373 INFO L93 Difference]: Finished difference Result 2437 states and 3210 transitions. [2024-11-11 21:44:45,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 21:44:45,374 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:45,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:45,376 INFO L225 Difference]: With dead ends: 2437 [2024-11-11 21:44:45,376 INFO L226 Difference]: Without dead ends: 2284 [2024-11-11 21:44:45,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-11 21:44:45,377 INFO L435 NwaCegarLoop]: 1077 mSDtfsCounter, 4218 mSDsluCounter, 7205 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4218 SdHoareTripleChecker+Valid, 8282 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:45,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4218 Valid, 8282 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:45,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2024-11-11 21:44:45,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 989. [2024-11-11 21:44:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 967 states have (on average 1.3381592554291624) internal successors, (1294), 988 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:45,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1294 transitions. [2024-11-11 21:44:45,387 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1294 transitions. Word has length 99 [2024-11-11 21:44:45,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:45,387 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1294 transitions. [2024-11-11 21:44:45,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1294 transitions. [2024-11-11 21:44:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:45,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:45,389 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:45,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-11 21:44:45,389 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:45,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:45,389 INFO L85 PathProgramCache]: Analyzing trace with hash 703065305, now seen corresponding path program 1 times [2024-11-11 21:44:45,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:45,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492169381] [2024-11-11 21:44:45,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:45,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:45,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:45,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492169381] [2024-11-11 21:44:45,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492169381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:45,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:45,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:45,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874326206] [2024-11-11 21:44:45,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:45,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:45,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:45,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:45,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:45,621 INFO L87 Difference]: Start difference. First operand 989 states and 1294 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:46,451 INFO L93 Difference]: Finished difference Result 1702 states and 2266 transitions. [2024-11-11 21:44:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:46,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:46,453 INFO L225 Difference]: With dead ends: 1702 [2024-11-11 21:44:46,454 INFO L226 Difference]: Without dead ends: 1525 [2024-11-11 21:44:46,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:46,455 INFO L435 NwaCegarLoop]: 746 mSDtfsCounter, 1927 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 2087 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 3176 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:46,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 3176 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2087 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:46,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2024-11-11 21:44:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 984. [2024-11-11 21:44:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.338877338877339) internal successors, (1288), 983 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1288 transitions. [2024-11-11 21:44:46,463 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1288 transitions. Word has length 99 [2024-11-11 21:44:46,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:46,463 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1288 transitions. [2024-11-11 21:44:46,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1288 transitions. [2024-11-11 21:44:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:46,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:46,465 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:46,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-11 21:44:46,465 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:46,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:46,466 INFO L85 PathProgramCache]: Analyzing trace with hash -178103298, now seen corresponding path program 1 times [2024-11-11 21:44:46,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:46,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652393596] [2024-11-11 21:44:46,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:46,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:46,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:46,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652393596] [2024-11-11 21:44:46,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652393596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:46,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:46,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:46,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303021076] [2024-11-11 21:44:46,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:46,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:46,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:46,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:46,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:46,682 INFO L87 Difference]: Start difference. First operand 984 states and 1288 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:47,406 INFO L93 Difference]: Finished difference Result 1663 states and 2208 transitions. [2024-11-11 21:44:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:47,407 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:47,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:47,408 INFO L225 Difference]: With dead ends: 1663 [2024-11-11 21:44:47,408 INFO L226 Difference]: Without dead ends: 1501 [2024-11-11 21:44:47,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:47,409 INFO L435 NwaCegarLoop]: 657 mSDtfsCounter, 3604 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3604 SdHoareTripleChecker+Valid, 2783 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:47,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3604 Valid, 2783 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:47,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-11-11 21:44:47,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 984. [2024-11-11 21:44:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.337837837837838) internal successors, (1287), 983 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:47,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1287 transitions. [2024-11-11 21:44:47,417 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1287 transitions. Word has length 99 [2024-11-11 21:44:47,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:47,418 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1287 transitions. [2024-11-11 21:44:47,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:47,418 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1287 transitions. [2024-11-11 21:44:47,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-11 21:44:47,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:47,419 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:47,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-11 21:44:47,419 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:47,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:47,420 INFO L85 PathProgramCache]: Analyzing trace with hash -679193058, now seen corresponding path program 1 times [2024-11-11 21:44:47,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:47,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849865347] [2024-11-11 21:44:47,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:47,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:47,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:47,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849865347] [2024-11-11 21:44:47,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849865347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:47,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:47,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:47,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491564626] [2024-11-11 21:44:47,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:47,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:47,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:47,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:47,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:47,613 INFO L87 Difference]: Start difference. First operand 984 states and 1287 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:48,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:48,383 INFO L93 Difference]: Finished difference Result 1711 states and 2274 transitions. [2024-11-11 21:44:48,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:48,383 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-11 21:44:48,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:48,385 INFO L225 Difference]: With dead ends: 1711 [2024-11-11 21:44:48,385 INFO L226 Difference]: Without dead ends: 1525 [2024-11-11 21:44:48,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:48,386 INFO L435 NwaCegarLoop]: 746 mSDtfsCounter, 3827 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3827 SdHoareTripleChecker+Valid, 3176 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:48,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3827 Valid, 3176 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:48,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2024-11-11 21:44:48,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 984. [2024-11-11 21:44:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3367983367983367) internal successors, (1286), 983 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1286 transitions. [2024-11-11 21:44:48,393 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1286 transitions. Word has length 99 [2024-11-11 21:44:48,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:48,394 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1286 transitions. [2024-11-11 21:44:48,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1286 transitions. [2024-11-11 21:44:48,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:48,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:48,395 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:48,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-11 21:44:48,395 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:48,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:48,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1060069596, now seen corresponding path program 1 times [2024-11-11 21:44:48,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:48,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633239088] [2024-11-11 21:44:48,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:48,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:48,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:48,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633239088] [2024-11-11 21:44:48,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633239088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:48,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:48,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:48,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993196191] [2024-11-11 21:44:48,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:48,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:48,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:48,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:48,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:48,633 INFO L87 Difference]: Start difference. First operand 984 states and 1286 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:49,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:49,428 INFO L93 Difference]: Finished difference Result 1607 states and 2110 transitions. [2024-11-11 21:44:49,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:49,429 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:49,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:49,430 INFO L225 Difference]: With dead ends: 1607 [2024-11-11 21:44:49,431 INFO L226 Difference]: Without dead ends: 1453 [2024-11-11 21:44:49,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:49,431 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 3969 mSDsluCounter, 2296 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3969 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:49,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3969 Valid, 2866 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:49,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-11-11 21:44:49,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-11-11 21:44:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3347193347193347) internal successors, (1284), 983 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:49,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1284 transitions. [2024-11-11 21:44:49,440 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1284 transitions. Word has length 100 [2024-11-11 21:44:49,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:49,440 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1284 transitions. [2024-11-11 21:44:49,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:49,441 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1284 transitions. [2024-11-11 21:44:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:49,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:49,441 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:49,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-11 21:44:49,442 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:49,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:49,442 INFO L85 PathProgramCache]: Analyzing trace with hash -253824772, now seen corresponding path program 1 times [2024-11-11 21:44:49,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:49,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914559383] [2024-11-11 21:44:49,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:49,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:49,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:49,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914559383] [2024-11-11 21:44:49,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914559383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:49,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:49,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:49,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283677246] [2024-11-11 21:44:49,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:49,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:49,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:49,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:49,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:49,658 INFO L87 Difference]: Start difference. First operand 984 states and 1284 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:50,470 INFO L93 Difference]: Finished difference Result 1675 states and 2217 transitions. [2024-11-11 21:44:50,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:50,471 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:50,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:50,472 INFO L225 Difference]: With dead ends: 1675 [2024-11-11 21:44:50,472 INFO L226 Difference]: Without dead ends: 1501 [2024-11-11 21:44:50,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:50,473 INFO L435 NwaCegarLoop]: 690 mSDtfsCounter, 3739 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 2282 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 3474 SdHoareTripleChecker+Invalid, 2289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:50,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3739 Valid, 3474 Invalid, 2289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2282 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:50,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-11-11 21:44:50,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 984. [2024-11-11 21:44:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3326403326403327) internal successors, (1282), 983 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1282 transitions. [2024-11-11 21:44:50,481 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1282 transitions. Word has length 100 [2024-11-11 21:44:50,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:50,482 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1282 transitions. [2024-11-11 21:44:50,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1282 transitions. [2024-11-11 21:44:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:50,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:50,483 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:50,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-11 21:44:50,483 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:50,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:50,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2105960988, now seen corresponding path program 1 times [2024-11-11 21:44:50,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:50,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063886455] [2024-11-11 21:44:50,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:50,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:50,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:50,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063886455] [2024-11-11 21:44:50,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063886455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:50,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:50,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:50,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097086262] [2024-11-11 21:44:50,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:50,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:50,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:50,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:50,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:50,745 INFO L87 Difference]: Start difference. First operand 984 states and 1282 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:51,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:51,519 INFO L93 Difference]: Finished difference Result 1607 states and 2106 transitions. [2024-11-11 21:44:51,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:51,520 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:51,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:51,521 INFO L225 Difference]: With dead ends: 1607 [2024-11-11 21:44:51,521 INFO L226 Difference]: Without dead ends: 1453 [2024-11-11 21:44:51,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:51,522 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 3942 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3942 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:51,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3942 Valid, 2913 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1991 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:51,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-11-11 21:44:51,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-11-11 21:44:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3305613305613306) internal successors, (1280), 983 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1280 transitions. [2024-11-11 21:44:51,530 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1280 transitions. Word has length 100 [2024-11-11 21:44:51,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:51,530 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1280 transitions. [2024-11-11 21:44:51,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:51,530 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1280 transitions. [2024-11-11 21:44:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:51,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:51,531 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:51,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-11 21:44:51,531 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:51,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:51,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1799923268, now seen corresponding path program 1 times [2024-11-11 21:44:51,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:51,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713311427] [2024-11-11 21:44:51,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:51,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:51,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:51,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713311427] [2024-11-11 21:44:51,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713311427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:51,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:51,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:51,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058788772] [2024-11-11 21:44:51,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:51,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:51,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:51,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:51,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:51,757 INFO L87 Difference]: Start difference. First operand 984 states and 1280 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:52,580 INFO L93 Difference]: Finished difference Result 1670 states and 2206 transitions. [2024-11-11 21:44:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:52,581 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:52,582 INFO L225 Difference]: With dead ends: 1670 [2024-11-11 21:44:52,582 INFO L226 Difference]: Without dead ends: 1501 [2024-11-11 21:44:52,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:52,583 INFO L435 NwaCegarLoop]: 746 mSDtfsCounter, 2786 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 3421 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:52,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2786 Valid, 3421 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:44:52,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-11-11 21:44:52,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 984. [2024-11-11 21:44:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3284823284823284) internal successors, (1278), 983 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:52,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1278 transitions. [2024-11-11 21:44:52,591 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1278 transitions. Word has length 100 [2024-11-11 21:44:52,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:52,592 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1278 transitions. [2024-11-11 21:44:52,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:52,593 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1278 transitions. [2024-11-11 21:44:52,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:52,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:52,594 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:52,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-11 21:44:52,594 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)] === [2024-11-11 21:44:52,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:52,594 INFO L85 PathProgramCache]: Analyzing trace with hash -41033476, now seen corresponding path program 1 times [2024-11-11 21:44:52,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:52,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951194788] [2024-11-11 21:44:52,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:52,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:52,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:52,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951194788] [2024-11-11 21:44:52,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951194788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:52,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:52,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:52,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910091023] [2024-11-11 21:44:52,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:52,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:52,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:52,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:52,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:52,793 INFO L87 Difference]: Start difference. First operand 984 states and 1278 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:53,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:53,456 INFO L93 Difference]: Finished difference Result 1607 states and 2102 transitions. [2024-11-11 21:44:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:53,456 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:53,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:53,458 INFO L225 Difference]: With dead ends: 1607 [2024-11-11 21:44:53,458 INFO L226 Difference]: Without dead ends: 1453 [2024-11-11 21:44:53,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:53,459 INFO L435 NwaCegarLoop]: 648 mSDtfsCounter, 3778 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 1869 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3778 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:53,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3778 Valid, 2667 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1869 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-11-11 21:44:53,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-11-11 21:44:53,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3264033264033264) internal successors, (1276), 983 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:53,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1276 transitions. [2024-11-11 21:44:53,467 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1276 transitions. Word has length 100 [2024-11-11 21:44:53,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:53,467 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1276 transitions. [2024-11-11 21:44:53,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1276 transitions. [2024-11-11 21:44:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:53,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:53,468 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:53,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-11 21:44:53,468 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:53,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:53,469 INFO L85 PathProgramCache]: Analyzing trace with hash 361781404, now seen corresponding path program 1 times [2024-11-11 21:44:53,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:53,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208685900] [2024-11-11 21:44:53,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:53,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:53,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:53,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208685900] [2024-11-11 21:44:53,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208685900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:53,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:53,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:53,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560233887] [2024-11-11 21:44:53,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:53,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:53,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:53,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:53,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:53,665 INFO L87 Difference]: Start difference. First operand 984 states and 1276 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:54,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:54,313 INFO L93 Difference]: Finished difference Result 1607 states and 2100 transitions. [2024-11-11 21:44:54,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:54,314 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:54,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:54,315 INFO L225 Difference]: With dead ends: 1607 [2024-11-11 21:44:54,315 INFO L226 Difference]: Without dead ends: 1453 [2024-11-11 21:44:54,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:54,316 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 2230 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:54,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 2428 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1701 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:54,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-11-11 21:44:54,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-11-11 21:44:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3243243243243243) internal successors, (1274), 983 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1274 transitions. [2024-11-11 21:44:54,323 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1274 transitions. Word has length 100 [2024-11-11 21:44:54,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:54,323 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1274 transitions. [2024-11-11 21:44:54,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1274 transitions. [2024-11-11 21:44:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:54,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:54,325 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:54,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-11 21:44:54,325 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:54,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:54,325 INFO L85 PathProgramCache]: Analyzing trace with hash 489610460, now seen corresponding path program 1 times [2024-11-11 21:44:54,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:54,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961018849] [2024-11-11 21:44:54,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:54,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:54,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:54,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961018849] [2024-11-11 21:44:54,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961018849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:54,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:54,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:54,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913587725] [2024-11-11 21:44:54,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:54,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:54,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:54,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:54,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:54,556 INFO L87 Difference]: Start difference. First operand 984 states and 1274 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:55,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:55,278 INFO L93 Difference]: Finished difference Result 1604 states and 2093 transitions. [2024-11-11 21:44:55,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:55,279 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:55,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:55,280 INFO L225 Difference]: With dead ends: 1604 [2024-11-11 21:44:55,280 INFO L226 Difference]: Without dead ends: 1453 [2024-11-11 21:44:55,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:55,281 INFO L435 NwaCegarLoop]: 592 mSDtfsCounter, 3908 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3908 SdHoareTripleChecker+Valid, 2952 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:55,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3908 Valid, 2952 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:55,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-11-11 21:44:55,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-11-11 21:44:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3232848232848233) internal successors, (1273), 983 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1273 transitions. [2024-11-11 21:44:55,289 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1273 transitions. Word has length 100 [2024-11-11 21:44:55,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:55,289 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1273 transitions. [2024-11-11 21:44:55,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1273 transitions. [2024-11-11 21:44:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:55,290 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:55,290 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:55,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-11 21:44:55,290 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:55,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:55,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1868837564, now seen corresponding path program 1 times [2024-11-11 21:44:55,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:55,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711076883] [2024-11-11 21:44:55,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:55,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:55,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:55,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:55,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711076883] [2024-11-11 21:44:55,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711076883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:55,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:55,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:44:55,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764537511] [2024-11-11 21:44:55,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:55,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:44:55,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:55,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:44:55,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:44:55,611 INFO L87 Difference]: Start difference. First operand 984 states and 1273 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:56,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:56,676 INFO L93 Difference]: Finished difference Result 2115 states and 2847 transitions. [2024-11-11 21:44:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 21:44:56,676 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:56,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:56,678 INFO L225 Difference]: With dead ends: 2115 [2024-11-11 21:44:56,678 INFO L226 Difference]: Without dead ends: 1953 [2024-11-11 21:44:56,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-11 21:44:56,679 INFO L435 NwaCegarLoop]: 684 mSDtfsCounter, 6167 mSDsluCounter, 2411 mSDsCounter, 0 mSdLazyCounter, 2075 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6167 SdHoareTripleChecker+Valid, 3095 SdHoareTripleChecker+Invalid, 2279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:56,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6167 Valid, 3095 Invalid, 2279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2075 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-11 21:44:56,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2024-11-11 21:44:56,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 989. [2024-11-11 21:44:56,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 967 states have (on average 1.3216132368148914) internal successors, (1278), 988 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:56,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1278 transitions. [2024-11-11 21:44:56,687 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1278 transitions. Word has length 100 [2024-11-11 21:44:56,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:56,687 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1278 transitions. [2024-11-11 21:44:56,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1278 transitions. [2024-11-11 21:44:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:56,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:56,688 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:56,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-11 21:44:56,688 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:56,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash 930233820, now seen corresponding path program 1 times [2024-11-11 21:44:56,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:56,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543430873] [2024-11-11 21:44:56,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:56,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:57,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:57,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543430873] [2024-11-11 21:44:57,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543430873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:57,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:57,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:44:57,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082754189] [2024-11-11 21:44:57,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:57,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:44:57,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:57,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:44:57,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:44:57,035 INFO L87 Difference]: Start difference. First operand 989 states and 1278 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:58,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:58,071 INFO L93 Difference]: Finished difference Result 1981 states and 2637 transitions. [2024-11-11 21:44:58,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 21:44:58,071 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:58,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:58,073 INFO L225 Difference]: With dead ends: 1981 [2024-11-11 21:44:58,073 INFO L226 Difference]: Without dead ends: 1830 [2024-11-11 21:44:58,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-11 21:44:58,074 INFO L435 NwaCegarLoop]: 636 mSDtfsCounter, 5691 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 2021 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5691 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 2021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:58,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5691 Valid, 2821 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 2021 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-11 21:44:58,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2024-11-11 21:44:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 994. [2024-11-11 21:44:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3199588477366255) internal successors, (1283), 993 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1283 transitions. [2024-11-11 21:44:58,084 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1283 transitions. Word has length 100 [2024-11-11 21:44:58,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:58,084 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1283 transitions. [2024-11-11 21:44:58,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:58,084 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1283 transitions. [2024-11-11 21:44:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:58,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:58,085 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:58,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-11 21:44:58,086 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:58,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:58,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1626725788, now seen corresponding path program 1 times [2024-11-11 21:44:58,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:58,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200809178] [2024-11-11 21:44:58,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:58,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:58,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:58,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200809178] [2024-11-11 21:44:58,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200809178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:58,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:58,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:58,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765165503] [2024-11-11 21:44:58,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:58,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:58,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:58,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:58,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:58,295 INFO L87 Difference]: Start difference. First operand 994 states and 1283 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:58,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:58,948 INFO L93 Difference]: Finished difference Result 1609 states and 2096 transitions. [2024-11-11 21:44:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:44:58,948 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:58,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:58,950 INFO L225 Difference]: With dead ends: 1609 [2024-11-11 21:44:58,950 INFO L226 Difference]: Without dead ends: 1458 [2024-11-11 21:44:58,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:44:58,951 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 2633 mSDsluCounter, 1833 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:58,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 2420 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:58,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-11-11 21:44:58,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-11-11 21:44:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3189300411522633) internal successors, (1282), 993 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:58,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1282 transitions. [2024-11-11 21:44:58,960 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1282 transitions. Word has length 100 [2024-11-11 21:44:58,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:58,960 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1282 transitions. [2024-11-11 21:44:58,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:58,960 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1282 transitions. [2024-11-11 21:44:58,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:58,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:58,961 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:58,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-11 21:44:58,961 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:58,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:58,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1268155292, now seen corresponding path program 1 times [2024-11-11 21:44:58,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:58,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464169787] [2024-11-11 21:44:58,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:58,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:44:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:44:59,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:44:59,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464169787] [2024-11-11 21:44:59,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464169787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:44:59,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:44:59,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:44:59,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016555414] [2024-11-11 21:44:59,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:44:59,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:44:59,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:44:59,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:44:59,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:44:59,184 INFO L87 Difference]: Start difference. First operand 994 states and 1282 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:59,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:44:59,924 INFO L93 Difference]: Finished difference Result 1609 states and 2094 transitions. [2024-11-11 21:44:59,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:44:59,924 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:44:59,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:44:59,925 INFO L225 Difference]: With dead ends: 1609 [2024-11-11 21:44:59,925 INFO L226 Difference]: Without dead ends: 1458 [2024-11-11 21:44:59,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:44:59,926 INFO L435 NwaCegarLoop]: 644 mSDtfsCounter, 3805 mSDsluCounter, 2514 mSDsCounter, 0 mSdLazyCounter, 2141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3805 SdHoareTripleChecker+Valid, 3158 SdHoareTripleChecker+Invalid, 2147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:44:59,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3805 Valid, 3158 Invalid, 2147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2141 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:44:59,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-11-11 21:44:59,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-11-11 21:44:59,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3179012345679013) internal successors, (1281), 993 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:59,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1281 transitions. [2024-11-11 21:44:59,933 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1281 transitions. Word has length 100 [2024-11-11 21:44:59,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:44:59,933 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1281 transitions. [2024-11-11 21:44:59,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:44:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1281 transitions. [2024-11-11 21:44:59,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:44:59,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:44:59,934 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:44:59,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-11 21:44:59,934 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:44:59,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:44:59,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1688175644, now seen corresponding path program 1 times [2024-11-11 21:44:59,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:44:59,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630390403] [2024-11-11 21:44:59,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:44:59,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:44:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:00,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:00,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630390403] [2024-11-11 21:45:00,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630390403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:00,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:00,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:00,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708182322] [2024-11-11 21:45:00,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:00,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:00,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:00,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:00,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:00,153 INFO L87 Difference]: Start difference. First operand 994 states and 1281 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:00,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:00,816 INFO L93 Difference]: Finished difference Result 1609 states and 2093 transitions. [2024-11-11 21:45:00,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:45:00,817 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:45:00,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:00,818 INFO L225 Difference]: With dead ends: 1609 [2024-11-11 21:45:00,818 INFO L226 Difference]: Without dead ends: 1458 [2024-11-11 21:45:00,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:45:00,819 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 4342 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4342 SdHoareTripleChecker+Valid, 2411 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:00,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4342 Valid, 2411 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:45:00,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-11-11 21:45:00,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-11-11 21:45:00,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.316872427983539) internal successors, (1280), 993 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:00,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1280 transitions. [2024-11-11 21:45:00,827 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1280 transitions. Word has length 100 [2024-11-11 21:45:00,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:00,828 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1280 transitions. [2024-11-11 21:45:00,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1280 transitions. [2024-11-11 21:45:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:45:00,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:00,830 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:00,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-11 21:45:00,830 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:00,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:00,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1307086337, now seen corresponding path program 1 times [2024-11-11 21:45:00,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:00,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184739485] [2024-11-11 21:45:00,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:00,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:01,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:01,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184739485] [2024-11-11 21:45:01,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184739485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:01,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:01,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:01,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579139462] [2024-11-11 21:45:01,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:01,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:01,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:01,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:01,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:01,079 INFO L87 Difference]: Start difference. First operand 994 states and 1280 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:01,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:01,791 INFO L93 Difference]: Finished difference Result 1607 states and 2089 transitions. [2024-11-11 21:45:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:45:01,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:45:01,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:01,793 INFO L225 Difference]: With dead ends: 1607 [2024-11-11 21:45:01,793 INFO L226 Difference]: Without dead ends: 1458 [2024-11-11 21:45:01,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:45:01,793 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 3897 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:01,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 2940 Invalid, 1958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:45:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-11-11 21:45:01,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-11-11 21:45:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3158436213991769) internal successors, (1279), 993 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1279 transitions. [2024-11-11 21:45:01,802 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1279 transitions. Word has length 100 [2024-11-11 21:45:01,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:01,802 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1279 transitions. [2024-11-11 21:45:01,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1279 transitions. [2024-11-11 21:45:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-11 21:45:01,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:01,804 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:01,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-11 21:45:01,804 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:01,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:01,804 INFO L85 PathProgramCache]: Analyzing trace with hash 623323004, now seen corresponding path program 1 times [2024-11-11 21:45:01,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:01,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893886809] [2024-11-11 21:45:01,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:01,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:02,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:02,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893886809] [2024-11-11 21:45:02,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893886809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:02,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:02,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:02,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925302973] [2024-11-11 21:45:02,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:02,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:02,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:02,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:02,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:02,030 INFO L87 Difference]: Start difference. First operand 994 states and 1279 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:02,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:02,746 INFO L93 Difference]: Finished difference Result 1609 states and 2090 transitions. [2024-11-11 21:45:02,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:45:02,746 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-11 21:45:02,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:02,747 INFO L225 Difference]: With dead ends: 1609 [2024-11-11 21:45:02,747 INFO L226 Difference]: Without dead ends: 1458 [2024-11-11 21:45:02,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:45:02,748 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 3891 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3891 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:02,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3891 Valid, 2940 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:45:02,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-11-11 21:45:02,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-11-11 21:45:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3148148148148149) internal successors, (1278), 993 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1278 transitions. [2024-11-11 21:45:02,756 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1278 transitions. Word has length 100 [2024-11-11 21:45:02,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:02,756 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1278 transitions. [2024-11-11 21:45:02,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1278 transitions. [2024-11-11 21:45:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:02,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:02,757 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:02,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-11 21:45:02,757 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:02,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:02,757 INFO L85 PathProgramCache]: Analyzing trace with hash 205443651, now seen corresponding path program 1 times [2024-11-11 21:45:02,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:02,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955743831] [2024-11-11 21:45:02,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:02,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:02,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:02,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955743831] [2024-11-11 21:45:02,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955743831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:02,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:02,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:02,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214795127] [2024-11-11 21:45:02,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:02,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:02,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:02,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:02,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:02,975 INFO L87 Difference]: Start difference. First operand 994 states and 1278 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:03,671 INFO L93 Difference]: Finished difference Result 1616 states and 2097 transitions. [2024-11-11 21:45:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:45:03,671 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:03,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:03,672 INFO L225 Difference]: With dead ends: 1616 [2024-11-11 21:45:03,672 INFO L226 Difference]: Without dead ends: 1458 [2024-11-11 21:45:03,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:45:03,673 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 3885 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 1939 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3885 SdHoareTripleChecker+Valid, 2944 SdHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:03,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3885 Valid, 2944 Invalid, 1946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1939 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:45:03,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-11-11 21:45:03,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-11-11 21:45:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3127572016460904) internal successors, (1276), 993 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1276 transitions. [2024-11-11 21:45:03,681 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1276 transitions. Word has length 101 [2024-11-11 21:45:03,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:03,681 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1276 transitions. [2024-11-11 21:45:03,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1276 transitions. [2024-11-11 21:45:03,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:03,682 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:03,683 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:03,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-11 21:45:03,683 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:03,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:03,683 INFO L85 PathProgramCache]: Analyzing trace with hash 558214531, now seen corresponding path program 1 times [2024-11-11 21:45:03,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:03,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483483575] [2024-11-11 21:45:03,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:03,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:03,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:03,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483483575] [2024-11-11 21:45:03,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483483575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:03,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:03,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:03,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502290225] [2024-11-11 21:45:03,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:03,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:03,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:03,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:03,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:03,907 INFO L87 Difference]: Start difference. First operand 994 states and 1276 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:04,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:04,690 INFO L93 Difference]: Finished difference Result 1681 states and 2200 transitions. [2024-11-11 21:45:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:45:04,691 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:04,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:04,692 INFO L225 Difference]: With dead ends: 1681 [2024-11-11 21:45:04,692 INFO L226 Difference]: Without dead ends: 1506 [2024-11-11 21:45:04,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:45:04,693 INFO L435 NwaCegarLoop]: 680 mSDtfsCounter, 3704 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2179 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3704 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 2186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:04,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3704 Valid, 3434 Invalid, 2186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2179 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 21:45:04,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2024-11-11 21:45:04,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 994. [2024-11-11 21:45:04,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3106995884773662) internal successors, (1274), 993 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1274 transitions. [2024-11-11 21:45:04,700 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1274 transitions. Word has length 101 [2024-11-11 21:45:04,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:04,700 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1274 transitions. [2024-11-11 21:45:04,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1274 transitions. [2024-11-11 21:45:04,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:04,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:04,701 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:04,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-11 21:45:04,701 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:04,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:04,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1900513027, now seen corresponding path program 1 times [2024-11-11 21:45:04,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:04,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039046950] [2024-11-11 21:45:04,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:04,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:05,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:05,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039046950] [2024-11-11 21:45:05,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039046950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:05,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:05,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:45:05,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710432029] [2024-11-11 21:45:05,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:05,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:45:05,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:05,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:45:05,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:45:05,018 INFO L87 Difference]: Start difference. First operand 994 states and 1274 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:06,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:06,124 INFO L93 Difference]: Finished difference Result 2296 states and 3082 transitions. [2024-11-11 21:45:06,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 21:45:06,125 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:06,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:06,127 INFO L225 Difference]: With dead ends: 2296 [2024-11-11 21:45:06,127 INFO L226 Difference]: Without dead ends: 2077 [2024-11-11 21:45:06,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-11 21:45:06,128 INFO L435 NwaCegarLoop]: 742 mSDtfsCounter, 7193 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7193 SdHoareTripleChecker+Valid, 3382 SdHoareTripleChecker+Invalid, 2354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:06,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7193 Valid, 3382 Invalid, 2354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-11 21:45:06,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2024-11-11 21:45:06,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1004. [2024-11-11 21:45:06,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3075356415478616) internal successors, (1284), 1003 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1284 transitions. [2024-11-11 21:45:06,137 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1284 transitions. Word has length 101 [2024-11-11 21:45:06,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:06,137 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1284 transitions. [2024-11-11 21:45:06,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1284 transitions. [2024-11-11 21:45:06,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:06,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:06,139 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:06,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-11 21:45:06,139 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:06,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:06,139 INFO L85 PathProgramCache]: Analyzing trace with hash -93828413, now seen corresponding path program 1 times [2024-11-11 21:45:06,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:06,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697371479] [2024-11-11 21:45:06,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:06,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:06,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:06,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:06,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697371479] [2024-11-11 21:45:06,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697371479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:06,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:06,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:45:06,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967873040] [2024-11-11 21:45:06,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:06,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:45:06,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:06,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:45:06,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:45:06,466 INFO L87 Difference]: Start difference. First operand 1004 states and 1284 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:07,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:07,616 INFO L93 Difference]: Finished difference Result 2143 states and 2868 transitions. [2024-11-11 21:45:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 21:45:07,617 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:07,619 INFO L225 Difference]: With dead ends: 2143 [2024-11-11 21:45:07,619 INFO L226 Difference]: Without dead ends: 1968 [2024-11-11 21:45:07,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-11 21:45:07,620 INFO L435 NwaCegarLoop]: 723 mSDtfsCounter, 5422 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5422 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:07,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5422 Valid, 3294 Invalid, 2456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-11 21:45:07,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2024-11-11 21:45:07,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1014. [2024-11-11 21:45:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.3044354838709677) internal successors, (1294), 1013 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:07,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1294 transitions. [2024-11-11 21:45:07,628 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1294 transitions. Word has length 101 [2024-11-11 21:45:07,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:07,628 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1294 transitions. [2024-11-11 21:45:07,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1294 transitions. [2024-11-11 21:45:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:07,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:07,629 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:07,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-11 21:45:07,629 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:07,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash -446599293, now seen corresponding path program 1 times [2024-11-11 21:45:07,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:07,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869203649] [2024-11-11 21:45:07,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:07,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:07,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:07,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869203649] [2024-11-11 21:45:07,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869203649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:07,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:07,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:07,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081863122] [2024-11-11 21:45:07,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:07,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:07,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:07,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:07,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:07,863 INFO L87 Difference]: Start difference. First operand 1014 states and 1294 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:08,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:08,588 INFO L93 Difference]: Finished difference Result 1636 states and 2113 transitions. [2024-11-11 21:45:08,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:45:08,589 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:08,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:08,590 INFO L225 Difference]: With dead ends: 1636 [2024-11-11 21:45:08,590 INFO L226 Difference]: Without dead ends: 1478 [2024-11-11 21:45:08,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:45:08,591 INFO L435 NwaCegarLoop]: 605 mSDtfsCounter, 3853 mSDsluCounter, 2398 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3853 SdHoareTripleChecker+Valid, 3003 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:08,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3853 Valid, 3003 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:45:08,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-11 21:45:08,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1014. [2024-11-11 21:45:08,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.3024193548387097) internal successors, (1292), 1013 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1292 transitions. [2024-11-11 21:45:08,598 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1292 transitions. Word has length 101 [2024-11-11 21:45:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:08,598 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1292 transitions. [2024-11-11 21:45:08,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:08,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1292 transitions. [2024-11-11 21:45:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:08,600 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:08,600 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:08,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-11 21:45:08,600 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:08,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:08,600 INFO L85 PathProgramCache]: Analyzing trace with hash 102612419, now seen corresponding path program 1 times [2024-11-11 21:45:08,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:08,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534354808] [2024-11-11 21:45:08,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:08,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:08,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:08,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534354808] [2024-11-11 21:45:08,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534354808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:08,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:08,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:08,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833905958] [2024-11-11 21:45:08,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:08,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:08,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:08,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:08,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:08,783 INFO L87 Difference]: Start difference. First operand 1014 states and 1292 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:09,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:09,470 INFO L93 Difference]: Finished difference Result 1535 states and 1969 transitions. [2024-11-11 21:45:09,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:45:09,471 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:09,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:09,473 INFO L225 Difference]: With dead ends: 1535 [2024-11-11 21:45:09,473 INFO L226 Difference]: Without dead ends: 1516 [2024-11-11 21:45:09,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:45:09,473 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 2035 mSDsluCounter, 2140 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 1809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:09,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 2802 Invalid, 1809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:45:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2024-11-11 21:45:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1014. [2024-11-11 21:45:09,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.3004032258064515) internal successors, (1290), 1013 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:09,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1290 transitions. [2024-11-11 21:45:09,481 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1290 transitions. Word has length 101 [2024-11-11 21:45:09,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:09,481 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1290 transitions. [2024-11-11 21:45:09,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:09,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1290 transitions. [2024-11-11 21:45:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:09,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:09,482 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:09,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-11 21:45:09,482 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:09,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:09,483 INFO L85 PathProgramCache]: Analyzing trace with hash -250158461, now seen corresponding path program 1 times [2024-11-11 21:45:09,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:09,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179418755] [2024-11-11 21:45:09,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:09,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:09,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:09,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179418755] [2024-11-11 21:45:09,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179418755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:09,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:09,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:09,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119269350] [2024-11-11 21:45:09,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:09,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:09,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:09,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:09,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:09,691 INFO L87 Difference]: Start difference. First operand 1014 states and 1290 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:10,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:10,414 INFO L93 Difference]: Finished difference Result 1484 states and 1883 transitions. [2024-11-11 21:45:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:45:10,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:10,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:10,416 INFO L225 Difference]: With dead ends: 1484 [2024-11-11 21:45:10,416 INFO L226 Difference]: Without dead ends: 1478 [2024-11-11 21:45:10,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:45:10,416 INFO L435 NwaCegarLoop]: 619 mSDtfsCounter, 3822 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 1971 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 3058 SdHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:10,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3822 Valid, 3058 Invalid, 1978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1971 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:45:10,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-11 21:45:10,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1014. [2024-11-11 21:45:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.2983870967741935) internal successors, (1288), 1013 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:10,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1288 transitions. [2024-11-11 21:45:10,424 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1288 transitions. Word has length 101 [2024-11-11 21:45:10,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:10,424 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1288 transitions. [2024-11-11 21:45:10,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:10,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1288 transitions. [2024-11-11 21:45:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:10,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:10,425 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:10,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-11 21:45:10,425 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)] === [2024-11-11 21:45:10,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:10,425 INFO L85 PathProgramCache]: Analyzing trace with hash -56955485, now seen corresponding path program 1 times [2024-11-11 21:45:10,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:10,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57360980] [2024-11-11 21:45:10,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:10,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:10,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:10,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57360980] [2024-11-11 21:45:10,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57360980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:10,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:10,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:10,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724816286] [2024-11-11 21:45:10,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:10,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:10,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:10,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:10,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:10,607 INFO L87 Difference]: Start difference. First operand 1014 states and 1288 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:11,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:11,236 INFO L93 Difference]: Finished difference Result 1484 states and 1881 transitions. [2024-11-11 21:45:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:45:11,237 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:11,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:11,238 INFO L225 Difference]: With dead ends: 1484 [2024-11-11 21:45:11,238 INFO L226 Difference]: Without dead ends: 1478 [2024-11-11 21:45:11,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:45:11,239 INFO L435 NwaCegarLoop]: 616 mSDtfsCounter, 4179 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4179 SdHoareTripleChecker+Valid, 2534 SdHoareTripleChecker+Invalid, 1684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:11,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4179 Valid, 2534 Invalid, 1684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-11 21:45:11,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-11 21:45:11,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1014. [2024-11-11 21:45:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.2963709677419355) internal successors, (1286), 1013 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1286 transitions. [2024-11-11 21:45:11,246 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1286 transitions. Word has length 101 [2024-11-11 21:45:11,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:11,246 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1286 transitions. [2024-11-11 21:45:11,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1286 transitions. [2024-11-11 21:45:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:11,247 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:11,247 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:11,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-11 21:45:11,247 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:11,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:11,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1631964749, now seen corresponding path program 1 times [2024-11-11 21:45:11,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:11,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844683331] [2024-11-11 21:45:11,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:11,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:11,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:11,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844683331] [2024-11-11 21:45:11,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844683331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:11,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:11,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:11,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098793736] [2024-11-11 21:45:11,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:11,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:11,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:11,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:11,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:11,439 INFO L87 Difference]: Start difference. First operand 1014 states and 1286 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:12,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:12,091 INFO L93 Difference]: Finished difference Result 1629 states and 2095 transitions. [2024-11-11 21:45:12,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:45:12,091 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:12,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:12,093 INFO L225 Difference]: With dead ends: 1629 [2024-11-11 21:45:12,093 INFO L226 Difference]: Without dead ends: 1478 [2024-11-11 21:45:12,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-11 21:45:12,094 INFO L435 NwaCegarLoop]: 618 mSDtfsCounter, 3200 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3200 SdHoareTripleChecker+Valid, 2542 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:12,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3200 Valid, 2542 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-11 21:45:12,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-11 21:45:12,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1009. [2024-11-11 21:45:12,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 987 states have (on average 1.2968591691995948) internal successors, (1280), 1008 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:12,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1280 transitions. [2024-11-11 21:45:12,101 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1280 transitions. Word has length 101 [2024-11-11 21:45:12,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:12,101 INFO L471 AbstractCegarLoop]: Abstraction has 1009 states and 1280 transitions. [2024-11-11 21:45:12,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1280 transitions. [2024-11-11 21:45:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:12,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:12,103 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:12,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-11 21:45:12,103 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)] === [2024-11-11 21:45:12,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:12,103 INFO L85 PathProgramCache]: Analyzing trace with hash 547033555, now seen corresponding path program 1 times [2024-11-11 21:45:12,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:12,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901602655] [2024-11-11 21:45:12,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:12,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:12,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:12,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901602655] [2024-11-11 21:45:12,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901602655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:12,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:12,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:12,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911356270] [2024-11-11 21:45:12,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:12,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:12,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:12,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:12,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:12,324 INFO L87 Difference]: Start difference. First operand 1009 states and 1280 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:13,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:13,038 INFO L93 Difference]: Finished difference Result 1673 states and 2166 transitions. [2024-11-11 21:45:13,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:45:13,038 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:13,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:13,040 INFO L225 Difference]: With dead ends: 1673 [2024-11-11 21:45:13,040 INFO L226 Difference]: Without dead ends: 1511 [2024-11-11 21:45:13,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:45:13,041 INFO L435 NwaCegarLoop]: 719 mSDtfsCounter, 3289 mSDsluCounter, 2309 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3289 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:13,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3289 Valid, 3028 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:45:13,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2024-11-11 21:45:13,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1004. [2024-11-11 21:45:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.2973523421588595) internal successors, (1274), 1003 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1274 transitions. [2024-11-11 21:45:13,048 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1274 transitions. Word has length 101 [2024-11-11 21:45:13,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:13,048 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1274 transitions. [2024-11-11 21:45:13,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1274 transitions. [2024-11-11 21:45:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:13,049 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:13,049 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:13,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-11 21:45:13,050 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:13,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:13,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1060602141, now seen corresponding path program 1 times [2024-11-11 21:45:13,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:13,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144507529] [2024-11-11 21:45:13,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:13,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:13,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:13,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144507529] [2024-11-11 21:45:13,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144507529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:13,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:13,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:45:13,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92062018] [2024-11-11 21:45:13,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:13,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:45:13,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:13,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:45:13,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:45:13,356 INFO L87 Difference]: Start difference. First operand 1004 states and 1274 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:14,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:14,427 INFO L93 Difference]: Finished difference Result 1999 states and 2631 transitions. [2024-11-11 21:45:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 21:45:14,427 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:14,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:14,429 INFO L225 Difference]: With dead ends: 1999 [2024-11-11 21:45:14,429 INFO L226 Difference]: Without dead ends: 1845 [2024-11-11 21:45:14,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-11 21:45:14,429 INFO L435 NwaCegarLoop]: 668 mSDtfsCounter, 5460 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 2007 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5460 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 2007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:14,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5460 Valid, 2932 Invalid, 2212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 2007 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-11 21:45:14,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2024-11-11 21:45:14,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1009. [2024-11-11 21:45:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 987 states have (on average 1.2958459979736576) internal successors, (1279), 1008 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1279 transitions. [2024-11-11 21:45:14,438 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1279 transitions. Word has length 101 [2024-11-11 21:45:14,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:14,438 INFO L471 AbstractCegarLoop]: Abstraction has 1009 states and 1279 transitions. [2024-11-11 21:45:14,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1279 transitions. [2024-11-11 21:45:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:14,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:14,439 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:14,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-11 21:45:14,440 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:14,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:14,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1048495107, now seen corresponding path program 1 times [2024-11-11 21:45:14,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:14,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50409597] [2024-11-11 21:45:14,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:14,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:14,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:14,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50409597] [2024-11-11 21:45:14,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50409597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:14,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:14,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:45:14,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932496846] [2024-11-11 21:45:14,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:14,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:45:14,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:14,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:45:14,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:45:14,613 INFO L87 Difference]: Start difference. First operand 1009 states and 1279 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:15,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:45:15,251 INFO L93 Difference]: Finished difference Result 1627 states and 2090 transitions. [2024-11-11 21:45:15,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:45:15,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-11 21:45:15,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:45:15,253 INFO L225 Difference]: With dead ends: 1627 [2024-11-11 21:45:15,253 INFO L226 Difference]: Without dead ends: 1473 [2024-11-11 21:45:15,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:45:15,254 INFO L435 NwaCegarLoop]: 623 mSDtfsCounter, 3152 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 2561 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-11 21:45:15,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 2561 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-11 21:45:15,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2024-11-11 21:45:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1009. [2024-11-11 21:45:15,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 987 states have (on average 1.2948328267477203) internal successors, (1278), 1008 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:15,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1278 transitions. [2024-11-11 21:45:15,262 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1278 transitions. Word has length 101 [2024-11-11 21:45:15,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:45:15,262 INFO L471 AbstractCegarLoop]: Abstraction has 1009 states and 1278 transitions. [2024-11-11 21:45:15,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:45:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1278 transitions. [2024-11-11 21:45:15,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 21:45:15,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:45:15,263 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:45:15,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-11 21:45:15,264 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-11 21:45:15,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:45:15,264 INFO L85 PathProgramCache]: Analyzing trace with hash -385148189, now seen corresponding path program 1 times [2024-11-11 21:45:15,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:45:15,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108443210] [2024-11-11 21:45:15,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:45:15,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:45:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:45:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:45:15,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:45:15,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108443210] [2024-11-11 21:45:15,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108443210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:45:15,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:45:15,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:45:15,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61077266] [2024-11-11 21:45:15,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:45:15,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:45:15,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:45:15,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:45:15,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:45:15,580 INFO L87 Difference]: Start difference. First operand 1009 states and 1278 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)