./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef1b718ec14fcc68d212ba49eb2094855200a064b5887a7f2eecdbae8074f363 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:57:04,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:57:04,266 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:57:04,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:57:04,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:57:04,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:57:04,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:57:04,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:57:04,296 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:57:04,297 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:57:04,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:57:04,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:57:04,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:57:04,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:57:04,298 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:57:04,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:57:04,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:57:04,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:57:04,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:57:04,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:57:04,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:57:04,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:57:04,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:57:04,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:57:04,306 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:57:04,306 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:57:04,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:57:04,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:57:04,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:57:04,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:57:04,307 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:57:04,307 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:57:04,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:57:04,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:57:04,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:57:04,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:57:04,308 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:57:04,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:57:04,308 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:57:04,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:57:04,309 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:57:04,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:57:04,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef1b718ec14fcc68d212ba49eb2094855200a064b5887a7f2eecdbae8074f363 [2024-10-14 03:57:04,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:57:04,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:57:04,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:57:04,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:57:04,551 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:57:04,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-10-14 03:57:05,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:57:06,073 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:57:06,074 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-10-14 03:57:06,098 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b60997f/a19f7aed62804d9a966d65cf3d0979d7/FLAGf6dcc1488 [2024-10-14 03:57:06,113 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b60997f/a19f7aed62804d9a966d65cf3d0979d7 [2024-10-14 03:57:06,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:57:06,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:57:06,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:57:06,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:57:06,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:57:06,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:06,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499a29c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06, skipping insertion in model container [2024-10-14 03:57:06,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:06,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:57:06,455 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11563,11576] [2024-10-14 03:57:06,473 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15640,15653] [2024-10-14 03:57:06,481 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16861,16874] [2024-10-14 03:57:06,489 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17567,17580] [2024-10-14 03:57:06,499 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19153,19166] [2024-10-14 03:57:06,502 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19859,19872] [2024-10-14 03:57:06,509 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20930,20943] [2024-10-14 03:57:06,520 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23420,23433] [2024-10-14 03:57:06,525 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24129,24142] [2024-10-14 03:57:06,530 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25166,25179] [2024-10-14 03:57:06,542 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27104,27117] [2024-10-14 03:57:06,567 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31138,31151] [2024-10-14 03:57:06,572 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31847,31860] [2024-10-14 03:57:06,578 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32921,32934] [2024-10-14 03:57:06,588 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34896,34909] [2024-10-14 03:57:06,597 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38277,38290] [2024-10-14 03:57:06,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:57:06,723 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:57:06,773 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11563,11576] [2024-10-14 03:57:06,786 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15640,15653] [2024-10-14 03:57:06,794 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16861,16874] [2024-10-14 03:57:06,799 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17567,17580] [2024-10-14 03:57:06,802 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19153,19166] [2024-10-14 03:57:06,806 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19859,19872] [2024-10-14 03:57:06,809 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20930,20943] [2024-10-14 03:57:06,817 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23420,23433] [2024-10-14 03:57:06,819 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24129,24142] [2024-10-14 03:57:06,822 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25166,25179] [2024-10-14 03:57:06,826 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27104,27117] [2024-10-14 03:57:06,833 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31138,31151] [2024-10-14 03:57:06,836 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31847,31860] [2024-10-14 03:57:06,839 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32921,32934] [2024-10-14 03:57:06,843 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34896,34909] [2024-10-14 03:57:06,851 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38277,38290] [2024-10-14 03:57:06,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:57:06,933 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:57:06,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06 WrapperNode [2024-10-14 03:57:06,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:57:06,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:57:06,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:57:06,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:57:06,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:06,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,037 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3758 [2024-10-14 03:57:07,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:57:07,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:57:07,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:57:07,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:57:07,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,098 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 03:57:07,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:57:07,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:57:07,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:57:07,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:57:07,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (1/1) ... [2024-10-14 03:57:07,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:57:07,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:57:07,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 03:57:07,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 03:57:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:57:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:57:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:57:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:57:07,431 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:57:07,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:57:08,888 INFO L? ?]: Removed 602 outVars from TransFormulas that were not future-live. [2024-10-14 03:57:08,888 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:57:08,952 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:57:08,955 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 03:57:08,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:57:08 BoogieIcfgContainer [2024-10-14 03:57:08,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:57:08,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:57:08,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:57:08,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:57:08,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:57:06" (1/3) ... [2024-10-14 03:57:08,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5119b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:57:08, skipping insertion in model container [2024-10-14 03:57:08,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:57:06" (2/3) ... [2024-10-14 03:57:08,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5119b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:57:08, skipping insertion in model container [2024-10-14 03:57:08,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:57:08" (3/3) ... [2024-10-14 03:57:08,962 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-10-14 03:57:08,976 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:57:08,976 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-14 03:57:09,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:57:09,059 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;@19d8296a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:57:09,060 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-10-14 03:57:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 627 states, 610 states have (on average 1.8508196721311476) internal successors, (1129), 626 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 03:57:09,086 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:09,087 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:09,088 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:09,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash 533676138, now seen corresponding path program 1 times [2024-10-14 03:57:09,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:09,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001249376] [2024-10-14 03:57:09,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:09,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:09,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:09,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001249376] [2024-10-14 03:57:09,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001249376] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:09,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:09,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:57:09,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384639659] [2024-10-14 03:57:09,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:09,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:57:09,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:09,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:57:09,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:57:09,618 INFO L87 Difference]: Start difference. First operand has 627 states, 610 states have (on average 1.8508196721311476) internal successors, (1129), 626 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:10,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:10,000 INFO L93 Difference]: Finished difference Result 971 states and 1687 transitions. [2024-10-14 03:57:10,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:57:10,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-14 03:57:10,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:10,012 INFO L225 Difference]: With dead ends: 971 [2024-10-14 03:57:10,012 INFO L226 Difference]: Without dead ends: 509 [2024-10-14 03:57:10,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:10,017 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 2540 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2540 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:10,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2540 Valid, 621 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 03:57:10,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-10-14 03:57:10,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 509. [2024-10-14 03:57:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 493 states have (on average 1.3022312373225151) internal successors, (642), 508 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 642 transitions. [2024-10-14 03:57:10,064 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 642 transitions. Word has length 71 [2024-10-14 03:57:10,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:10,065 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 642 transitions. [2024-10-14 03:57:10,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 642 transitions. [2024-10-14 03:57:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 03:57:10,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:10,068 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:10,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 03:57:10,068 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:10,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:10,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1104820237, now seen corresponding path program 1 times [2024-10-14 03:57:10,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:10,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903896199] [2024-10-14 03:57:10,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:10,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:10,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:10,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903896199] [2024-10-14 03:57:10,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903896199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:10,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:10,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:57:10,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453524905] [2024-10-14 03:57:10,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:10,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:57:10,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:10,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:57:10,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:57:10,230 INFO L87 Difference]: Start difference. First operand 509 states and 642 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:10,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:10,482 INFO L93 Difference]: Finished difference Result 847 states and 1098 transitions. [2024-10-14 03:57:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:57:10,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-10-14 03:57:10,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:10,484 INFO L225 Difference]: With dead ends: 847 [2024-10-14 03:57:10,484 INFO L226 Difference]: Without dead ends: 457 [2024-10-14 03:57:10,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:10,486 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 1662 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:10,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 344 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:57:10,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-10-14 03:57:10,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2024-10-14 03:57:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 441 states have (on average 1.3174603174603174) internal successors, (581), 456 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 581 transitions. [2024-10-14 03:57:10,497 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 581 transitions. Word has length 72 [2024-10-14 03:57:10,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:10,497 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 581 transitions. [2024-10-14 03:57:10,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 581 transitions. [2024-10-14 03:57:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-14 03:57:10,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:10,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:10,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 03:57:10,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:10,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:10,500 INFO L85 PathProgramCache]: Analyzing trace with hash -408282613, now seen corresponding path program 1 times [2024-10-14 03:57:10,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:10,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026062023] [2024-10-14 03:57:10,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:10,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:10,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:10,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026062023] [2024-10-14 03:57:10,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026062023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:10,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:10,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:57:10,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274479597] [2024-10-14 03:57:10,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:10,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:57:10,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:10,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:57:10,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:57:10,642 INFO L87 Difference]: Start difference. First operand 457 states and 581 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:10,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:10,859 INFO L93 Difference]: Finished difference Result 795 states and 1036 transitions. [2024-10-14 03:57:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:57:10,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-14 03:57:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:10,862 INFO L225 Difference]: With dead ends: 795 [2024-10-14 03:57:10,863 INFO L226 Difference]: Without dead ends: 419 [2024-10-14 03:57:10,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:10,864 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 1560 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:10,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 320 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:57:10,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-14 03:57:10,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-10-14 03:57:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 403 states have (on average 1.3349875930521091) internal successors, (538), 418 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 538 transitions. [2024-10-14 03:57:10,884 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 538 transitions. Word has length 73 [2024-10-14 03:57:10,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:10,884 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 538 transitions. [2024-10-14 03:57:10,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 538 transitions. [2024-10-14 03:57:10,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-14 03:57:10,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:10,885 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:10,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 03:57:10,886 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:10,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:10,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1224504254, now seen corresponding path program 1 times [2024-10-14 03:57:10,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:10,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95737416] [2024-10-14 03:57:10,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:11,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:11,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95737416] [2024-10-14 03:57:11,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95737416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:11,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:11,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:57:11,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789806669] [2024-10-14 03:57:11,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:11,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:57:11,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:11,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:57:11,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:57:11,044 INFO L87 Difference]: Start difference. First operand 419 states and 538 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:11,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:11,349 INFO L93 Difference]: Finished difference Result 971 states and 1276 transitions. [2024-10-14 03:57:11,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:57:11,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-10-14 03:57:11,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:11,351 INFO L225 Difference]: With dead ends: 971 [2024-10-14 03:57:11,351 INFO L226 Difference]: Without dead ends: 611 [2024-10-14 03:57:11,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:11,353 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 2062 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2062 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:11,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2062 Valid, 467 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 03:57:11,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-10-14 03:57:11,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 551. [2024-10-14 03:57:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3925233644859814) internal successors, (745), 550 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 745 transitions. [2024-10-14 03:57:11,362 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 745 transitions. Word has length 74 [2024-10-14 03:57:11,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:11,362 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 745 transitions. [2024-10-14 03:57:11,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:11,362 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 745 transitions. [2024-10-14 03:57:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-14 03:57:11,363 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:11,364 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:11,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 03:57:11,364 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:11,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:11,364 INFO L85 PathProgramCache]: Analyzing trace with hash 254667180, now seen corresponding path program 1 times [2024-10-14 03:57:11,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:11,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418159486] [2024-10-14 03:57:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:11,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:11,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:11,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418159486] [2024-10-14 03:57:11,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418159486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:11,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:11,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:57:11,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344705468] [2024-10-14 03:57:11,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:11,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:57:11,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:11,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:57:11,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:57:11,476 INFO L87 Difference]: Start difference. First operand 551 states and 745 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:11,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:11,719 INFO L93 Difference]: Finished difference Result 1043 states and 1430 transitions. [2024-10-14 03:57:11,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:57:11,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-10-14 03:57:11,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:11,721 INFO L225 Difference]: With dead ends: 1043 [2024-10-14 03:57:11,721 INFO L226 Difference]: Without dead ends: 546 [2024-10-14 03:57:11,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:11,724 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 1419 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:11,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 281 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:57:11,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-10-14 03:57:11,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2024-10-14 03:57:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.390566037735849) internal successors, (737), 545 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 737 transitions. [2024-10-14 03:57:11,735 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 737 transitions. Word has length 75 [2024-10-14 03:57:11,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:11,735 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 737 transitions. [2024-10-14 03:57:11,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 737 transitions. [2024-10-14 03:57:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-14 03:57:11,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:11,736 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:11,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 03:57:11,737 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:11,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:11,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1435179207, now seen corresponding path program 1 times [2024-10-14 03:57:11,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:11,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278334611] [2024-10-14 03:57:11,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:11,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:12,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:12,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:12,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278334611] [2024-10-14 03:57:12,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278334611] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:12,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:12,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:12,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600057483] [2024-10-14 03:57:12,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:12,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:12,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:12,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:12,083 INFO L87 Difference]: Start difference. First operand 546 states and 737 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:12,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:12,740 INFO L93 Difference]: Finished difference Result 1028 states and 1413 transitions. [2024-10-14 03:57:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:12,741 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-10-14 03:57:12,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:12,744 INFO L225 Difference]: With dead ends: 1028 [2024-10-14 03:57:12,744 INFO L226 Difference]: Without dead ends: 875 [2024-10-14 03:57:12,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:12,746 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 1046 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:12,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1046 Valid, 1600 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 03:57:12,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-10-14 03:57:12,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 546. [2024-10-14 03:57:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3886792452830188) internal successors, (736), 545 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:12,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 736 transitions. [2024-10-14 03:57:12,760 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 736 transitions. Word has length 76 [2024-10-14 03:57:12,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:12,760 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 736 transitions. [2024-10-14 03:57:12,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 736 transitions. [2024-10-14 03:57:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-14 03:57:12,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:12,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:12,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 03:57:12,762 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:12,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:12,762 INFO L85 PathProgramCache]: Analyzing trace with hash 980279151, now seen corresponding path program 1 times [2024-10-14 03:57:12,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:12,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829213749] [2024-10-14 03:57:12,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:12,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:13,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:13,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829213749] [2024-10-14 03:57:13,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829213749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:13,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:13,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:13,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538839178] [2024-10-14 03:57:13,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:13,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:13,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:13,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:13,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:13,072 INFO L87 Difference]: Start difference. First operand 546 states and 736 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:13,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:13,649 INFO L93 Difference]: Finished difference Result 955 states and 1295 transitions. [2024-10-14 03:57:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:57:13,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-10-14 03:57:13,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:13,653 INFO L225 Difference]: With dead ends: 955 [2024-10-14 03:57:13,653 INFO L226 Difference]: Without dead ends: 763 [2024-10-14 03:57:13,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:57:13,654 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 2101 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:13,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2101 Valid, 1259 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:13,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-10-14 03:57:13,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 546. [2024-10-14 03:57:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3867924528301887) internal successors, (735), 545 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 735 transitions. [2024-10-14 03:57:13,662 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 735 transitions. Word has length 76 [2024-10-14 03:57:13,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:13,663 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 735 transitions. [2024-10-14 03:57:13,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 735 transitions. [2024-10-14 03:57:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-14 03:57:13,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:13,664 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:13,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 03:57:13,664 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:13,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:13,665 INFO L85 PathProgramCache]: Analyzing trace with hash -612595194, now seen corresponding path program 1 times [2024-10-14 03:57:13,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:13,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274645400] [2024-10-14 03:57:13,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:13,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:13,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:13,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274645400] [2024-10-14 03:57:13,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274645400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:13,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:13,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:57:13,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121224293] [2024-10-14 03:57:13,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:13,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:57:13,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:13,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:57:13,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:13,899 INFO L87 Difference]: Start difference. First operand 546 states and 735 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:14,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:14,363 INFO L93 Difference]: Finished difference Result 1053 states and 1398 transitions. [2024-10-14 03:57:14,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:57:14,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-10-14 03:57:14,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:14,365 INFO L225 Difference]: With dead ends: 1053 [2024-10-14 03:57:14,366 INFO L226 Difference]: Without dead ends: 777 [2024-10-14 03:57:14,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:57:14,367 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 1764 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:14,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 900 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:14,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-10-14 03:57:14,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 546. [2024-10-14 03:57:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3849056603773584) internal successors, (734), 545 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:14,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 734 transitions. [2024-10-14 03:57:14,374 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 734 transitions. Word has length 76 [2024-10-14 03:57:14,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:14,375 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 734 transitions. [2024-10-14 03:57:14,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 734 transitions. [2024-10-14 03:57:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:57:14,376 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:14,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:14,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 03:57:14,376 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:14,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:14,377 INFO L85 PathProgramCache]: Analyzing trace with hash -988049107, now seen corresponding path program 1 times [2024-10-14 03:57:14,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:14,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188321789] [2024-10-14 03:57:14,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:14,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:14,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:14,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188321789] [2024-10-14 03:57:14,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188321789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:14,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:14,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:14,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242688950] [2024-10-14 03:57:14,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:14,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:14,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:14,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:14,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:14,579 INFO L87 Difference]: Start difference. First operand 546 states and 734 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:15,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:15,185 INFO L93 Difference]: Finished difference Result 1037 states and 1419 transitions. [2024-10-14 03:57:15,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:57:15,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-14 03:57:15,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:15,188 INFO L225 Difference]: With dead ends: 1037 [2024-10-14 03:57:15,188 INFO L226 Difference]: Without dead ends: 875 [2024-10-14 03:57:15,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:15,189 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 1035 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1843 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:15,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 1843 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:57:15,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-10-14 03:57:15,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 546. [2024-10-14 03:57:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3830188679245283) internal successors, (733), 545 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 733 transitions. [2024-10-14 03:57:15,198 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 733 transitions. Word has length 78 [2024-10-14 03:57:15,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:15,198 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 733 transitions. [2024-10-14 03:57:15,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 733 transitions. [2024-10-14 03:57:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:57:15,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:15,200 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:15,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 03:57:15,200 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:15,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:15,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1396894335, now seen corresponding path program 1 times [2024-10-14 03:57:15,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:15,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228616840] [2024-10-14 03:57:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:15,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:15,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:15,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228616840] [2024-10-14 03:57:15,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228616840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:15,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:15,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:15,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204350756] [2024-10-14 03:57:15,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:15,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:15,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:15,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:15,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:15,409 INFO L87 Difference]: Start difference. First operand 546 states and 733 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:15,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:15,962 INFO L93 Difference]: Finished difference Result 991 states and 1350 transitions. [2024-10-14 03:57:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:57:15,963 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-14 03:57:15,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:15,965 INFO L225 Difference]: With dead ends: 991 [2024-10-14 03:57:15,965 INFO L226 Difference]: Without dead ends: 851 [2024-10-14 03:57:15,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:57:15,966 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 1242 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:15,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 1400 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:57:15,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-14 03:57:15,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 546. [2024-10-14 03:57:15,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.381132075471698) internal successors, (732), 545 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 732 transitions. [2024-10-14 03:57:15,974 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 732 transitions. Word has length 78 [2024-10-14 03:57:15,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:15,974 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 732 transitions. [2024-10-14 03:57:15,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 732 transitions. [2024-10-14 03:57:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:57:15,975 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:15,976 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:15,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 03:57:15,976 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:15,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:15,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1028792160, now seen corresponding path program 1 times [2024-10-14 03:57:15,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:15,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201416360] [2024-10-14 03:57:15,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:15,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:16,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:16,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201416360] [2024-10-14 03:57:16,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201416360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:16,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:16,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:16,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615337988] [2024-10-14 03:57:16,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:16,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:16,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:16,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:16,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:16,163 INFO L87 Difference]: Start difference. First operand 546 states and 732 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:16,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:16,756 INFO L93 Difference]: Finished difference Result 991 states and 1348 transitions. [2024-10-14 03:57:16,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:57:16,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-14 03:57:16,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:16,759 INFO L225 Difference]: With dead ends: 991 [2024-10-14 03:57:16,759 INFO L226 Difference]: Without dead ends: 851 [2024-10-14 03:57:16,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:57:16,760 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 1912 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:16,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 1385 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:57:16,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-14 03:57:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 546. [2024-10-14 03:57:16,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.379245283018868) internal successors, (731), 545 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:16,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 731 transitions. [2024-10-14 03:57:16,771 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 731 transitions. Word has length 78 [2024-10-14 03:57:16,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:16,772 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 731 transitions. [2024-10-14 03:57:16,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:16,772 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 731 transitions. [2024-10-14 03:57:16,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:57:16,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:16,774 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:16,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 03:57:16,775 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:16,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:16,775 INFO L85 PathProgramCache]: Analyzing trace with hash -391975036, now seen corresponding path program 1 times [2024-10-14 03:57:16,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:16,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489513326] [2024-10-14 03:57:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:16,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:16,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:16,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489513326] [2024-10-14 03:57:16,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489513326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:16,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:16,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:16,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093512446] [2024-10-14 03:57:16,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:16,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:16,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:16,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:16,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:16,970 INFO L87 Difference]: Start difference. First operand 546 states and 731 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:17,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:17,517 INFO L93 Difference]: Finished difference Result 987 states and 1343 transitions. [2024-10-14 03:57:17,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:17,518 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-14 03:57:17,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:17,520 INFO L225 Difference]: With dead ends: 987 [2024-10-14 03:57:17,520 INFO L226 Difference]: Without dead ends: 851 [2024-10-14 03:57:17,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:17,521 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 1051 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:17,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 1593 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:57:17,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-14 03:57:17,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 546. [2024-10-14 03:57:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3773584905660377) internal successors, (730), 545 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 730 transitions. [2024-10-14 03:57:17,530 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 730 transitions. Word has length 78 [2024-10-14 03:57:17,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:17,530 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 730 transitions. [2024-10-14 03:57:17,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:17,530 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 730 transitions. [2024-10-14 03:57:17,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:57:17,531 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:17,531 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:17,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 03:57:17,532 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:17,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:17,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1002682727, now seen corresponding path program 1 times [2024-10-14 03:57:17,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:17,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210857079] [2024-10-14 03:57:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:17,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:17,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:17,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210857079] [2024-10-14 03:57:17,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210857079] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:17,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:17,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:17,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146267511] [2024-10-14 03:57:17,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:17,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:17,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:17,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:17,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:17,720 INFO L87 Difference]: Start difference. First operand 546 states and 730 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:18,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:18,199 INFO L93 Difference]: Finished difference Result 873 states and 1191 transitions. [2024-10-14 03:57:18,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:57:18,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-14 03:57:18,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:18,201 INFO L225 Difference]: With dead ends: 873 [2024-10-14 03:57:18,201 INFO L226 Difference]: Without dead ends: 615 [2024-10-14 03:57:18,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:57:18,202 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 1519 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:18,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1519 Valid, 1259 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2024-10-14 03:57:18,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 546. [2024-10-14 03:57:18,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3735849056603773) internal successors, (728), 545 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 728 transitions. [2024-10-14 03:57:18,210 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 728 transitions. Word has length 78 [2024-10-14 03:57:18,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:18,210 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 728 transitions. [2024-10-14 03:57:18,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:18,210 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 728 transitions. [2024-10-14 03:57:18,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:57:18,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:18,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:18,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 03:57:18,212 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:18,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:18,212 INFO L85 PathProgramCache]: Analyzing trace with hash 423246883, now seen corresponding path program 1 times [2024-10-14 03:57:18,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:18,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15614228] [2024-10-14 03:57:18,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:18,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:18,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:18,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15614228] [2024-10-14 03:57:18,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15614228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:18,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:18,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:18,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632116979] [2024-10-14 03:57:18,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:18,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:18,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:18,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:18,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:18,404 INFO L87 Difference]: Start difference. First operand 546 states and 728 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:18,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:18,990 INFO L93 Difference]: Finished difference Result 997 states and 1352 transitions. [2024-10-14 03:57:18,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:18,991 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-14 03:57:18,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:18,993 INFO L225 Difference]: With dead ends: 997 [2024-10-14 03:57:18,993 INFO L226 Difference]: Without dead ends: 851 [2024-10-14 03:57:18,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:18,994 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 1044 mSDsluCounter, 1360 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:18,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 1791 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:57:18,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-14 03:57:19,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 546. [2024-10-14 03:57:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.369811320754717) internal successors, (726), 545 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 726 transitions. [2024-10-14 03:57:19,025 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 726 transitions. Word has length 78 [2024-10-14 03:57:19,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:19,026 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 726 transitions. [2024-10-14 03:57:19,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 726 transitions. [2024-10-14 03:57:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:57:19,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:19,027 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:19,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 03:57:19,027 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:19,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:19,028 INFO L85 PathProgramCache]: Analyzing trace with hash 832092111, now seen corresponding path program 1 times [2024-10-14 03:57:19,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:19,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690631447] [2024-10-14 03:57:19,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:19,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:19,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:19,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690631447] [2024-10-14 03:57:19,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690631447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:19,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:19,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:19,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243895240] [2024-10-14 03:57:19,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:19,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:19,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:19,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:19,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:19,223 INFO L87 Difference]: Start difference. First operand 546 states and 726 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:19,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:19,717 INFO L93 Difference]: Finished difference Result 832 states and 1100 transitions. [2024-10-14 03:57:19,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:57:19,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-14 03:57:19,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:19,719 INFO L225 Difference]: With dead ends: 832 [2024-10-14 03:57:19,719 INFO L226 Difference]: Without dead ends: 827 [2024-10-14 03:57:19,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:57:19,720 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 1276 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:19,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 1289 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:19,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-14 03:57:19,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 546. [2024-10-14 03:57:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3660377358490565) internal successors, (724), 545 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:19,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 724 transitions. [2024-10-14 03:57:19,727 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 724 transitions. Word has length 78 [2024-10-14 03:57:19,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:19,727 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 724 transitions. [2024-10-14 03:57:19,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:19,727 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 724 transitions. [2024-10-14 03:57:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:57:19,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:19,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:19,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 03:57:19,728 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:19,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:19,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1550678083, now seen corresponding path program 1 times [2024-10-14 03:57:19,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:19,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889956842] [2024-10-14 03:57:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:19,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:19,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:19,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889956842] [2024-10-14 03:57:19,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889956842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:19,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:19,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:19,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290811099] [2024-10-14 03:57:19,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:19,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:19,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:19,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:19,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:19,981 INFO L87 Difference]: Start difference. First operand 546 states and 724 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:20,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:20,521 INFO L93 Difference]: Finished difference Result 1047 states and 1419 transitions. [2024-10-14 03:57:20,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:20,521 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-14 03:57:20,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:20,523 INFO L225 Difference]: With dead ends: 1047 [2024-10-14 03:57:20,523 INFO L226 Difference]: Without dead ends: 875 [2024-10-14 03:57:20,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:20,524 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 1506 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 2322 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:20,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 2322 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1471 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:57:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-10-14 03:57:20,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 546. [2024-10-14 03:57:20,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3622641509433961) internal successors, (722), 545 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 722 transitions. [2024-10-14 03:57:20,532 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 722 transitions. Word has length 78 [2024-10-14 03:57:20,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:20,532 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 722 transitions. [2024-10-14 03:57:20,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:20,533 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 722 transitions. [2024-10-14 03:57:20,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:20,533 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:20,533 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:20,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 03:57:20,534 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:20,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:20,534 INFO L85 PathProgramCache]: Analyzing trace with hash 380495892, now seen corresponding path program 1 times [2024-10-14 03:57:20,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:20,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944469015] [2024-10-14 03:57:20,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:20,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:20,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:20,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:20,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944469015] [2024-10-14 03:57:20,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944469015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:20,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:20,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:20,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344178356] [2024-10-14 03:57:20,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:20,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:20,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:20,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:20,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:20,728 INFO L87 Difference]: Start difference. First operand 546 states and 722 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:21,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:21,212 INFO L93 Difference]: Finished difference Result 960 states and 1287 transitions. [2024-10-14 03:57:21,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:21,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:21,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:21,214 INFO L225 Difference]: With dead ends: 960 [2024-10-14 03:57:21,214 INFO L226 Difference]: Without dead ends: 827 [2024-10-14 03:57:21,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:21,215 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 1560 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:21,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 1598 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:21,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-14 03:57:21,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 546. [2024-10-14 03:57:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.360377358490566) internal successors, (721), 545 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 721 transitions. [2024-10-14 03:57:21,221 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 721 transitions. Word has length 80 [2024-10-14 03:57:21,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:21,221 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 721 transitions. [2024-10-14 03:57:21,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 721 transitions. [2024-10-14 03:57:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:21,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:21,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:21,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 03:57:21,223 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:21,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:21,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2002274302, now seen corresponding path program 1 times [2024-10-14 03:57:21,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:21,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435211039] [2024-10-14 03:57:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:21,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:21,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:21,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435211039] [2024-10-14 03:57:21,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435211039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:21,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:21,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:21,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49027465] [2024-10-14 03:57:21,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:21,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:21,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:21,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:21,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:21,457 INFO L87 Difference]: Start difference. First operand 546 states and 721 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:21,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:21,998 INFO L93 Difference]: Finished difference Result 996 states and 1338 transitions. [2024-10-14 03:57:21,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:57:21,998 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:21,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:22,000 INFO L225 Difference]: With dead ends: 996 [2024-10-14 03:57:22,000 INFO L226 Difference]: Without dead ends: 851 [2024-10-14 03:57:22,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:57:22,001 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 1807 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:22,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 1481 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-14 03:57:22,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 546. [2024-10-14 03:57:22,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3584905660377358) internal successors, (720), 545 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 720 transitions. [2024-10-14 03:57:22,007 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 720 transitions. Word has length 80 [2024-10-14 03:57:22,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:22,007 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 720 transitions. [2024-10-14 03:57:22,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 720 transitions. [2024-10-14 03:57:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:22,008 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:22,009 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:22,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 03:57:22,009 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:22,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:22,009 INFO L85 PathProgramCache]: Analyzing trace with hash 891103228, now seen corresponding path program 1 times [2024-10-14 03:57:22,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:22,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077495696] [2024-10-14 03:57:22,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:22,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:22,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:22,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:22,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077495696] [2024-10-14 03:57:22,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077495696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:22,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:22,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:22,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921416753] [2024-10-14 03:57:22,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:22,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:22,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:22,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:22,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:22,198 INFO L87 Difference]: Start difference. First operand 546 states and 720 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:22,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:22,754 INFO L93 Difference]: Finished difference Result 957 states and 1282 transitions. [2024-10-14 03:57:22,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:22,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:22,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:22,756 INFO L225 Difference]: With dead ends: 957 [2024-10-14 03:57:22,756 INFO L226 Difference]: Without dead ends: 827 [2024-10-14 03:57:22,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:22,757 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 1552 mSDsluCounter, 1437 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:22,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 1851 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:57:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-14 03:57:22,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 546. [2024-10-14 03:57:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3566037735849057) internal successors, (719), 545 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 719 transitions. [2024-10-14 03:57:22,764 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 719 transitions. Word has length 80 [2024-10-14 03:57:22,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:22,764 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 719 transitions. [2024-10-14 03:57:22,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 719 transitions. [2024-10-14 03:57:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:22,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:22,765 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:22,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 03:57:22,765 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:22,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:22,766 INFO L85 PathProgramCache]: Analyzing trace with hash -374640683, now seen corresponding path program 1 times [2024-10-14 03:57:22,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:22,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404626763] [2024-10-14 03:57:22,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:22,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:22,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404626763] [2024-10-14 03:57:22,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404626763] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:22,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:22,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:22,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210642179] [2024-10-14 03:57:22,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:22,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:22,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:22,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:22,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:22,941 INFO L87 Difference]: Start difference. First operand 546 states and 719 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:23,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:23,466 INFO L93 Difference]: Finished difference Result 960 states and 1284 transitions. [2024-10-14 03:57:23,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:57:23,466 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:23,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:23,468 INFO L225 Difference]: With dead ends: 960 [2024-10-14 03:57:23,468 INFO L226 Difference]: Without dead ends: 827 [2024-10-14 03:57:23,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:57:23,469 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 1242 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:23,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 1326 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:23,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-14 03:57:23,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 546. [2024-10-14 03:57:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3547169811320754) internal successors, (718), 545 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 718 transitions. [2024-10-14 03:57:23,476 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 718 transitions. Word has length 80 [2024-10-14 03:57:23,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:23,476 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 718 transitions. [2024-10-14 03:57:23,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 718 transitions. [2024-10-14 03:57:23,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:23,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:23,477 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:23,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 03:57:23,477 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:23,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:23,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1845105563, now seen corresponding path program 1 times [2024-10-14 03:57:23,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:23,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379075460] [2024-10-14 03:57:23,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:23,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:23,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:23,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379075460] [2024-10-14 03:57:23,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379075460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:23,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:23,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:23,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750595639] [2024-10-14 03:57:23,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:23,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:23,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:23,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:23,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:23,650 INFO L87 Difference]: Start difference. First operand 546 states and 718 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:24,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:24,152 INFO L93 Difference]: Finished difference Result 957 states and 1279 transitions. [2024-10-14 03:57:24,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:57:24,152 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:24,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:24,154 INFO L225 Difference]: With dead ends: 957 [2024-10-14 03:57:24,154 INFO L226 Difference]: Without dead ends: 827 [2024-10-14 03:57:24,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:57:24,155 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 1159 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:24,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1159 Valid, 1507 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:24,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-14 03:57:24,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 546. [2024-10-14 03:57:24,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3528301886792453) internal successors, (717), 545 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 717 transitions. [2024-10-14 03:57:24,161 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 717 transitions. Word has length 80 [2024-10-14 03:57:24,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:24,161 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 717 transitions. [2024-10-14 03:57:24,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:24,161 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 717 transitions. [2024-10-14 03:57:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:24,162 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:24,162 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:24,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 03:57:24,162 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:24,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:24,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1184234996, now seen corresponding path program 1 times [2024-10-14 03:57:24,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:24,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141741974] [2024-10-14 03:57:24,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:24,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:24,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:24,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141741974] [2024-10-14 03:57:24,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141741974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:24,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:24,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:24,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733375518] [2024-10-14 03:57:24,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:24,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:24,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:24,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:24,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:24,318 INFO L87 Difference]: Start difference. First operand 546 states and 717 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:24,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:24,795 INFO L93 Difference]: Finished difference Result 832 states and 1090 transitions. [2024-10-14 03:57:24,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:57:24,796 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:24,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:24,798 INFO L225 Difference]: With dead ends: 832 [2024-10-14 03:57:24,798 INFO L226 Difference]: Without dead ends: 827 [2024-10-14 03:57:24,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:57:24,798 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 1156 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:24,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 1492 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-14 03:57:24,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 546. [2024-10-14 03:57:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.350943396226415) internal successors, (716), 545 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:24,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 716 transitions. [2024-10-14 03:57:24,804 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 716 transitions. Word has length 80 [2024-10-14 03:57:24,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:24,805 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 716 transitions. [2024-10-14 03:57:24,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 716 transitions. [2024-10-14 03:57:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:24,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:24,806 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:24,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 03:57:24,806 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:24,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:24,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1196411487, now seen corresponding path program 1 times [2024-10-14 03:57:24,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:24,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205281577] [2024-10-14 03:57:24,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:24,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:25,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:25,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205281577] [2024-10-14 03:57:25,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205281577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:25,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:25,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 03:57:25,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006887193] [2024-10-14 03:57:25,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:25,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 03:57:25,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:25,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 03:57:25,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:57:25,228 INFO L87 Difference]: Start difference. First operand 546 states and 716 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:25,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:25,993 INFO L93 Difference]: Finished difference Result 1289 states and 1756 transitions. [2024-10-14 03:57:25,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 03:57:25,994 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:25,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:25,997 INFO L225 Difference]: With dead ends: 1289 [2024-10-14 03:57:25,997 INFO L226 Difference]: Without dead ends: 1159 [2024-10-14 03:57:25,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 03:57:25,998 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 4095 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4095 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:25,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4095 Valid, 1392 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:57:25,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2024-10-14 03:57:26,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 550. [2024-10-14 03:57:26,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.348314606741573) internal successors, (720), 549 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:26,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 720 transitions. [2024-10-14 03:57:26,006 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 720 transitions. Word has length 80 [2024-10-14 03:57:26,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:26,006 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 720 transitions. [2024-10-14 03:57:26,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:26,006 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 720 transitions. [2024-10-14 03:57:26,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:26,007 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:26,007 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:26,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 03:57:26,007 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:26,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:26,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1992159898, now seen corresponding path program 1 times [2024-10-14 03:57:26,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:26,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207660247] [2024-10-14 03:57:26,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:26,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:26,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:26,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207660247] [2024-10-14 03:57:26,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207660247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:26,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:26,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:26,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266191161] [2024-10-14 03:57:26,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:26,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:26,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:26,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:26,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:26,215 INFO L87 Difference]: Start difference. First operand 550 states and 720 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:26,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:26,731 INFO L93 Difference]: Finished difference Result 955 states and 1273 transitions. [2024-10-14 03:57:26,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:26,731 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:26,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:26,733 INFO L225 Difference]: With dead ends: 955 [2024-10-14 03:57:26,733 INFO L226 Difference]: Without dead ends: 827 [2024-10-14 03:57:26,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:26,734 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 1542 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:26,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1542 Valid, 1642 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:26,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-14 03:57:26,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 550. [2024-10-14 03:57:26,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3464419475655431) internal successors, (719), 549 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 719 transitions. [2024-10-14 03:57:26,740 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 719 transitions. Word has length 80 [2024-10-14 03:57:26,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:26,740 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 719 transitions. [2024-10-14 03:57:26,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 719 transitions. [2024-10-14 03:57:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:26,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:26,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:26,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 03:57:26,741 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:26,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:26,742 INFO L85 PathProgramCache]: Analyzing trace with hash -144938974, now seen corresponding path program 1 times [2024-10-14 03:57:26,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:26,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178583871] [2024-10-14 03:57:26,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:26,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:26,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:26,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178583871] [2024-10-14 03:57:26,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178583871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:26,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:26,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:26,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280799301] [2024-10-14 03:57:26,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:26,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:26,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:26,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:26,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:26,972 INFO L87 Difference]: Start difference. First operand 550 states and 719 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:27,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:27,505 INFO L93 Difference]: Finished difference Result 1007 states and 1344 transitions. [2024-10-14 03:57:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:57:27,506 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:27,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:27,508 INFO L225 Difference]: With dead ends: 1007 [2024-10-14 03:57:27,508 INFO L226 Difference]: Without dead ends: 855 [2024-10-14 03:57:27,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:57:27,509 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 1765 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:27,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 1544 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-10-14 03:57:27,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 550. [2024-10-14 03:57:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3426966292134832) internal successors, (717), 549 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 717 transitions. [2024-10-14 03:57:27,515 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 717 transitions. Word has length 80 [2024-10-14 03:57:27,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:27,515 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 717 transitions. [2024-10-14 03:57:27,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:27,516 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 717 transitions. [2024-10-14 03:57:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:27,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:27,516 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:27,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 03:57:27,517 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:27,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:27,517 INFO L85 PathProgramCache]: Analyzing trace with hash -2057136076, now seen corresponding path program 1 times [2024-10-14 03:57:27,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:27,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801666904] [2024-10-14 03:57:27,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:27,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:27,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801666904] [2024-10-14 03:57:27,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801666904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:27,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:27,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:27,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127828530] [2024-10-14 03:57:27,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:27,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:27,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:27,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:27,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:27,696 INFO L87 Difference]: Start difference. First operand 550 states and 717 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:28,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:28,144 INFO L93 Difference]: Finished difference Result 963 states and 1279 transitions. [2024-10-14 03:57:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:28,144 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:28,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:28,146 INFO L225 Difference]: With dead ends: 963 [2024-10-14 03:57:28,146 INFO L226 Difference]: Without dead ends: 827 [2024-10-14 03:57:28,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:28,146 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 1532 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:28,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 1702 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:28,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-10-14 03:57:28,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 550. [2024-10-14 03:57:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3389513108614233) internal successors, (715), 549 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 715 transitions. [2024-10-14 03:57:28,152 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 715 transitions. Word has length 80 [2024-10-14 03:57:28,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:28,152 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 715 transitions. [2024-10-14 03:57:28,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 715 transitions. [2024-10-14 03:57:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:28,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:28,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:28,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 03:57:28,153 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:28,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:28,154 INFO L85 PathProgramCache]: Analyzing trace with hash -2041843904, now seen corresponding path program 1 times [2024-10-14 03:57:28,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:28,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338405359] [2024-10-14 03:57:28,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:28,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:28,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:28,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338405359] [2024-10-14 03:57:28,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338405359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:28,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:28,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 03:57:28,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867427585] [2024-10-14 03:57:28,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:28,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 03:57:28,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:28,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 03:57:28,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:57:28,446 INFO L87 Difference]: Start difference. First operand 550 states and 715 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:29,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:29,250 INFO L93 Difference]: Finished difference Result 1563 states and 2149 transitions. [2024-10-14 03:57:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 03:57:29,250 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:29,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:29,253 INFO L225 Difference]: With dead ends: 1563 [2024-10-14 03:57:29,253 INFO L226 Difference]: Without dead ends: 1371 [2024-10-14 03:57:29,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 03:57:29,254 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 3945 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3945 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:29,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3945 Valid, 1928 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 03:57:29,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2024-10-14 03:57:29,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 558. [2024-10-14 03:57:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 542 states have (on average 1.3339483394833949) internal successors, (723), 557 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 723 transitions. [2024-10-14 03:57:29,262 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 723 transitions. Word has length 80 [2024-10-14 03:57:29,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:29,262 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 723 transitions. [2024-10-14 03:57:29,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 723 transitions. [2024-10-14 03:57:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:29,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:29,263 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:29,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 03:57:29,263 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:29,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:29,264 INFO L85 PathProgramCache]: Analyzing trace with hash -898261756, now seen corresponding path program 1 times [2024-10-14 03:57:29,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:29,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732534944] [2024-10-14 03:57:29,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:29,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:29,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:29,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732534944] [2024-10-14 03:57:29,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732534944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:29,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:29,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 03:57:29,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162145427] [2024-10-14 03:57:29,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:29,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 03:57:29,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:29,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 03:57:29,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:57:29,545 INFO L87 Difference]: Start difference. First operand 558 states and 723 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:30,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:30,304 INFO L93 Difference]: Finished difference Result 1292 states and 1746 transitions. [2024-10-14 03:57:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 03:57:30,304 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:30,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:30,307 INFO L225 Difference]: With dead ends: 1292 [2024-10-14 03:57:30,307 INFO L226 Difference]: Without dead ends: 1275 [2024-10-14 03:57:30,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 03:57:30,308 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 4006 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4006 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:30,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4006 Valid, 1607 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:57:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2024-10-14 03:57:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 566. [2024-10-14 03:57:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 550 states have (on average 1.329090909090909) internal successors, (731), 565 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 731 transitions. [2024-10-14 03:57:30,314 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 731 transitions. Word has length 80 [2024-10-14 03:57:30,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:30,314 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 731 transitions. [2024-10-14 03:57:30,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 731 transitions. [2024-10-14 03:57:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:30,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:30,315 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:30,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 03:57:30,316 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:30,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:30,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1995378919, now seen corresponding path program 1 times [2024-10-14 03:57:30,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:30,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872461149] [2024-10-14 03:57:30,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:30,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:30,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:30,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872461149] [2024-10-14 03:57:30,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872461149] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:30,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:30,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:30,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380318593] [2024-10-14 03:57:30,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:30,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:30,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:30,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:30,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:30,478 INFO L87 Difference]: Start difference. First operand 566 states and 731 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:30,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:30,911 INFO L93 Difference]: Finished difference Result 975 states and 1288 transitions. [2024-10-14 03:57:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:30,912 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:30,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:30,913 INFO L225 Difference]: With dead ends: 975 [2024-10-14 03:57:30,913 INFO L226 Difference]: Without dead ends: 843 [2024-10-14 03:57:30,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:30,914 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 1530 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:30,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 1702 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:30,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-10-14 03:57:30,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 566. [2024-10-14 03:57:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 550 states have (on average 1.3254545454545454) internal successors, (729), 565 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 729 transitions. [2024-10-14 03:57:30,920 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 729 transitions. Word has length 80 [2024-10-14 03:57:30,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:30,920 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 729 transitions. [2024-10-14 03:57:30,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:30,920 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 729 transitions. [2024-10-14 03:57:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:57:30,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:30,921 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:30,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 03:57:30,921 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:30,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:30,922 INFO L85 PathProgramCache]: Analyzing trace with hash 729371863, now seen corresponding path program 1 times [2024-10-14 03:57:30,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:30,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905130801] [2024-10-14 03:57:30,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:30,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:31,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:31,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:31,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905130801] [2024-10-14 03:57:31,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905130801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:31,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:31,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:31,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127224920] [2024-10-14 03:57:31,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:31,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:31,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:31,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:31,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:31,058 INFO L87 Difference]: Start difference. First operand 566 states and 729 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:31,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:31,506 INFO L93 Difference]: Finished difference Result 848 states and 1096 transitions. [2024-10-14 03:57:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:57:31,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-14 03:57:31,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:31,508 INFO L225 Difference]: With dead ends: 848 [2024-10-14 03:57:31,508 INFO L226 Difference]: Without dead ends: 843 [2024-10-14 03:57:31,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:57:31,509 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 1814 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:31,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1814 Valid, 1374 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:31,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-10-14 03:57:31,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 566. [2024-10-14 03:57:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 550 states have (on average 1.3218181818181818) internal successors, (727), 565 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 727 transitions. [2024-10-14 03:57:31,515 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 727 transitions. Word has length 80 [2024-10-14 03:57:31,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:31,515 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 727 transitions. [2024-10-14 03:57:31,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:31,515 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 727 transitions. [2024-10-14 03:57:31,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 03:57:31,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:31,516 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:31,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 03:57:31,516 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:31,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:31,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1507957345, now seen corresponding path program 1 times [2024-10-14 03:57:31,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:31,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227923791] [2024-10-14 03:57:31,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:31,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:31,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:31,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227923791] [2024-10-14 03:57:31,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227923791] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:31,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:31,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:31,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041179030] [2024-10-14 03:57:31,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:31,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:31,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:31,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:31,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:31,653 INFO L87 Difference]: Start difference. First operand 566 states and 727 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:32,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:32,087 INFO L93 Difference]: Finished difference Result 973 states and 1280 transitions. [2024-10-14 03:57:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:57:32,087 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-14 03:57:32,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:32,089 INFO L225 Difference]: With dead ends: 973 [2024-10-14 03:57:32,089 INFO L226 Difference]: Without dead ends: 843 [2024-10-14 03:57:32,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:57:32,090 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 1807 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:32,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 1378 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 03:57:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-10-14 03:57:32,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 562. [2024-10-14 03:57:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 546 states have (on average 1.3223443223443223) internal successors, (722), 561 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 722 transitions. [2024-10-14 03:57:32,095 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 722 transitions. Word has length 81 [2024-10-14 03:57:32,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:32,095 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 722 transitions. [2024-10-14 03:57:32,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 722 transitions. [2024-10-14 03:57:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 03:57:32,096 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:32,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:32,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 03:57:32,096 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:32,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:32,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1069510264, now seen corresponding path program 1 times [2024-10-14 03:57:32,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:32,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684714564] [2024-10-14 03:57:32,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:32,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:32,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:32,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684714564] [2024-10-14 03:57:32,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684714564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:32,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:32,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 03:57:32,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167161012] [2024-10-14 03:57:32,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:32,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:57:32,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:32,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:57:32,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:57:32,371 INFO L87 Difference]: Start difference. First operand 562 states and 722 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:33,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:33,412 INFO L93 Difference]: Finished difference Result 1141 states and 1522 transitions. [2024-10-14 03:57:33,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 03:57:33,413 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-14 03:57:33,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:33,415 INFO L225 Difference]: With dead ends: 1141 [2024-10-14 03:57:33,415 INFO L226 Difference]: Without dead ends: 949 [2024-10-14 03:57:33,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2024-10-14 03:57:33,416 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 1170 mSDsluCounter, 3098 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 3627 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:33,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 3627 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2485 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:57:33,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-10-14 03:57:33,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 554. [2024-10-14 03:57:33,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 538 states have (on average 1.3234200743494424) internal successors, (712), 553 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 712 transitions. [2024-10-14 03:57:33,422 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 712 transitions. Word has length 81 [2024-10-14 03:57:33,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:33,423 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 712 transitions. [2024-10-14 03:57:33,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 712 transitions. [2024-10-14 03:57:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 03:57:33,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:33,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:33,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-14 03:57:33,424 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:33,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:33,424 INFO L85 PathProgramCache]: Analyzing trace with hash -29974665, now seen corresponding path program 1 times [2024-10-14 03:57:33,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:33,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209451037] [2024-10-14 03:57:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:33,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:33,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:33,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209451037] [2024-10-14 03:57:33,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209451037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:33,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:33,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:33,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405939625] [2024-10-14 03:57:33,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:33,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:33,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:33,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:33,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:33,578 INFO L87 Difference]: Start difference. First operand 554 states and 712 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:34,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:34,054 INFO L93 Difference]: Finished difference Result 868 states and 1125 transitions. [2024-10-14 03:57:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:57:34,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-14 03:57:34,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:34,056 INFO L225 Difference]: With dead ends: 868 [2024-10-14 03:57:34,057 INFO L226 Difference]: Without dead ends: 851 [2024-10-14 03:57:34,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:57:34,057 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 1487 mSDsluCounter, 1387 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:34,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 1819 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:57:34,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-14 03:57:34,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 546. [2024-10-14 03:57:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3245283018867924) internal successors, (702), 545 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 702 transitions. [2024-10-14 03:57:34,067 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 702 transitions. Word has length 81 [2024-10-14 03:57:34,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:34,067 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 702 transitions. [2024-10-14 03:57:34,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 702 transitions. [2024-10-14 03:57:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 03:57:34,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:34,067 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:34,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-14 03:57:34,068 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:34,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:34,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1274155887, now seen corresponding path program 1 times [2024-10-14 03:57:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:34,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213087700] [2024-10-14 03:57:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:34,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:34,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213087700] [2024-10-14 03:57:34,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213087700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:34,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:34,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:57:34,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76493591] [2024-10-14 03:57:34,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:34,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 03:57:34,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:34,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 03:57:34,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:57:34,390 INFO L87 Difference]: Start difference. First operand 546 states and 702 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:34,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:34,660 INFO L93 Difference]: Finished difference Result 868 states and 1144 transitions. [2024-10-14 03:57:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 03:57:34,660 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-14 03:57:34,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:34,661 INFO L225 Difference]: With dead ends: 868 [2024-10-14 03:57:34,661 INFO L226 Difference]: Without dead ends: 622 [2024-10-14 03:57:34,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:57:34,662 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 1848 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:34,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 1017 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:34,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-14 03:57:34,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 428. [2024-10-14 03:57:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 417 states have (on average 1.328537170263789) internal successors, (554), 427 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 554 transitions. [2024-10-14 03:57:34,667 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 554 transitions. Word has length 82 [2024-10-14 03:57:34,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:34,667 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 554 transitions. [2024-10-14 03:57:34,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 554 transitions. [2024-10-14 03:57:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 03:57:34,667 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:34,668 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:34,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 03:57:34,668 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:34,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:34,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1213653297, now seen corresponding path program 1 times [2024-10-14 03:57:34,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:34,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638888092] [2024-10-14 03:57:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:35,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:35,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638888092] [2024-10-14 03:57:35,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638888092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:35,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:35,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 03:57:35,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944531279] [2024-10-14 03:57:35,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:35,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:57:35,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:35,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:57:35,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:57:35,051 INFO L87 Difference]: Start difference. First operand 428 states and 554 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:35,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:35,430 INFO L93 Difference]: Finished difference Result 762 states and 1033 transitions. [2024-10-14 03:57:35,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:57:35,430 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-14 03:57:35,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:35,431 INFO L225 Difference]: With dead ends: 762 [2024-10-14 03:57:35,431 INFO L226 Difference]: Without dead ends: 580 [2024-10-14 03:57:35,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:57:35,432 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 1407 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 1735 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:35,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1407 Valid, 1735 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:35,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-10-14 03:57:35,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 374. [2024-10-14 03:57:35,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 366 states have (on average 1.319672131147541) internal successors, (483), 373 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 483 transitions. [2024-10-14 03:57:35,436 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 483 transitions. Word has length 82 [2024-10-14 03:57:35,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:35,436 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 483 transitions. [2024-10-14 03:57:35,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 11 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:35,437 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 483 transitions. [2024-10-14 03:57:35,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 03:57:35,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:35,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:35,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-14 03:57:35,437 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:35,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:35,438 INFO L85 PathProgramCache]: Analyzing trace with hash -910264626, now seen corresponding path program 1 times [2024-10-14 03:57:35,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:35,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373707810] [2024-10-14 03:57:35,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:35,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:35,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:35,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373707810] [2024-10-14 03:57:35,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373707810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:35,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:35,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:57:35,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423417766] [2024-10-14 03:57:35,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:35,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 03:57:35,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:35,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 03:57:35,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:57:35,833 INFO L87 Difference]: Start difference. First operand 374 states and 483 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:36,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:36,417 INFO L93 Difference]: Finished difference Result 1096 states and 1487 transitions. [2024-10-14 03:57:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 03:57:36,418 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-14 03:57:36,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:36,419 INFO L225 Difference]: With dead ends: 1096 [2024-10-14 03:57:36,419 INFO L226 Difference]: Without dead ends: 946 [2024-10-14 03:57:36,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-10-14 03:57:36,420 INFO L432 NwaCegarLoop]: 416 mSDtfsCounter, 1504 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 3056 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:36,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 3056 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 03:57:36,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-10-14 03:57:36,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 352. [2024-10-14 03:57:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 346 states have (on average 1.3092485549132948) internal successors, (453), 351 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 453 transitions. [2024-10-14 03:57:36,429 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 453 transitions. Word has length 82 [2024-10-14 03:57:36,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:36,429 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 453 transitions. [2024-10-14 03:57:36,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:36,430 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 453 transitions. [2024-10-14 03:57:36,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 03:57:36,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:36,430 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:36,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 03:57:36,430 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:36,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:36,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1175029773, now seen corresponding path program 1 times [2024-10-14 03:57:36,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:36,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337733669] [2024-10-14 03:57:36,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:36,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:36,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:36,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337733669] [2024-10-14 03:57:36,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337733669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:36,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:36,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:57:36,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37923781] [2024-10-14 03:57:36,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:36,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 03:57:36,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:36,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 03:57:36,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:57:36,823 INFO L87 Difference]: Start difference. First operand 352 states and 453 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:37,162 INFO L93 Difference]: Finished difference Result 664 states and 900 transitions. [2024-10-14 03:57:37,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:57:37,162 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-14 03:57:37,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:37,163 INFO L225 Difference]: With dead ends: 664 [2024-10-14 03:57:37,163 INFO L226 Difference]: Without dead ends: 440 [2024-10-14 03:57:37,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:57:37,164 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 520 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 2390 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:37,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 2390 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:37,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-10-14 03:57:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 256. [2024-10-14 03:57:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 254 states have (on average 1.3070866141732282) internal successors, (332), 255 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:37,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 332 transitions. [2024-10-14 03:57:37,167 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 332 transitions. Word has length 82 [2024-10-14 03:57:37,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:37,167 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 332 transitions. [2024-10-14 03:57:37,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 332 transitions. [2024-10-14 03:57:37,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-14 03:57:37,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:37,167 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:37,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-14 03:57:37,168 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:37,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:37,168 INFO L85 PathProgramCache]: Analyzing trace with hash 956701402, now seen corresponding path program 1 times [2024-10-14 03:57:37,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:37,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691227323] [2024-10-14 03:57:37,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:37,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:37,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:37,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691227323] [2024-10-14 03:57:37,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691227323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:37,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:37,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:37,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602748189] [2024-10-14 03:57:37,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:37,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:37,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:37,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:37,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:57:37,304 INFO L87 Difference]: Start difference. First operand 256 states and 332 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:37,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:37,540 INFO L93 Difference]: Finished difference Result 590 states and 804 transitions. [2024-10-14 03:57:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:57:37,541 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-10-14 03:57:37,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:37,542 INFO L225 Difference]: With dead ends: 590 [2024-10-14 03:57:37,542 INFO L226 Difference]: Without dead ends: 432 [2024-10-14 03:57:37,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:57:37,542 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 411 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:37,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 972 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:57:37,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-10-14 03:57:37,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 256. [2024-10-14 03:57:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 254 states have (on average 1.2992125984251968) internal successors, (330), 255 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 330 transitions. [2024-10-14 03:57:37,545 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 330 transitions. Word has length 83 [2024-10-14 03:57:37,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:37,545 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 330 transitions. [2024-10-14 03:57:37,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 330 transitions. [2024-10-14 03:57:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 03:57:37,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:37,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:37,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-14 03:57:37,546 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:37,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:37,547 INFO L85 PathProgramCache]: Analyzing trace with hash 2073632219, now seen corresponding path program 1 times [2024-10-14 03:57:37,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:37,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021673996] [2024-10-14 03:57:37,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:37,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:37,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:37,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021673996] [2024-10-14 03:57:37,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021673996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:37,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:37,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 03:57:37,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282040729] [2024-10-14 03:57:37,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:37,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:57:37,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:37,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:57:37,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:57:37,867 INFO L87 Difference]: Start difference. First operand 256 states and 330 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:38,255 INFO L93 Difference]: Finished difference Result 410 states and 552 transitions. [2024-10-14 03:57:38,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:57:38,256 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-14 03:57:38,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:38,256 INFO L225 Difference]: With dead ends: 410 [2024-10-14 03:57:38,256 INFO L226 Difference]: Without dead ends: 404 [2024-10-14 03:57:38,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:57:38,257 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 686 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:38,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1787 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:38,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-14 03:57:38,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 250. [2024-10-14 03:57:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.2971887550200802) internal successors, (323), 249 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 323 transitions. [2024-10-14 03:57:38,259 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 323 transitions. Word has length 85 [2024-10-14 03:57:38,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:38,260 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 323 transitions. [2024-10-14 03:57:38,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 323 transitions. [2024-10-14 03:57:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-14 03:57:38,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:38,260 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:38,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-14 03:57:38,260 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:38,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:38,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1814457043, now seen corresponding path program 1 times [2024-10-14 03:57:38,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:38,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108400256] [2024-10-14 03:57:38,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:38,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:38,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:38,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:38,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108400256] [2024-10-14 03:57:38,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108400256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:38,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:38,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:38,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026482314] [2024-10-14 03:57:38,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:38,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:57:38,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:38,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:57:38,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:38,353 INFO L87 Difference]: Start difference. First operand 250 states and 323 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:38,474 INFO L93 Difference]: Finished difference Result 1530 states and 2223 transitions. [2024-10-14 03:57:38,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:38,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2024-10-14 03:57:38,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:38,477 INFO L225 Difference]: With dead ends: 1530 [2024-10-14 03:57:38,477 INFO L226 Difference]: Without dead ends: 1402 [2024-10-14 03:57:38,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-10-14 03:57:38,478 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1279 mSDsluCounter, 1976 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:38,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 2178 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:38,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-10-14 03:57:38,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 376. [2024-10-14 03:57:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 375 states have (on average 1.3546666666666667) internal successors, (508), 375 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 508 transitions. [2024-10-14 03:57:38,483 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 508 transitions. Word has length 113 [2024-10-14 03:57:38,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:38,483 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 508 transitions. [2024-10-14 03:57:38,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 508 transitions. [2024-10-14 03:57:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:57:38,484 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:38,484 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:38,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-14 03:57:38,485 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:38,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:38,485 INFO L85 PathProgramCache]: Analyzing trace with hash -905960125, now seen corresponding path program 1 times [2024-10-14 03:57:38,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:38,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261465866] [2024-10-14 03:57:38,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:38,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:38,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:38,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261465866] [2024-10-14 03:57:38,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261465866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:38,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972518284] [2024-10-14 03:57:38,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:38,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:57:38,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:38,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:57:38,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:38,587 INFO L87 Difference]: Start difference. First operand 376 states and 508 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:38,667 INFO L93 Difference]: Finished difference Result 1774 states and 2569 transitions. [2024-10-14 03:57:38,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 03:57:38,670 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-14 03:57:38,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:38,672 INFO L225 Difference]: With dead ends: 1774 [2024-10-14 03:57:38,672 INFO L226 Difference]: Without dead ends: 1520 [2024-10-14 03:57:38,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:57:38,673 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1043 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:38,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 1210 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:38,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2024-10-14 03:57:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 628. [2024-10-14 03:57:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.4035087719298245) internal successors, (880), 627 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 880 transitions. [2024-10-14 03:57:38,682 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 880 transitions. Word has length 115 [2024-10-14 03:57:38,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:38,682 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 880 transitions. [2024-10-14 03:57:38,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,682 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 880 transitions. [2024-10-14 03:57:38,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:57:38,683 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:38,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:38,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-14 03:57:38,684 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:38,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:38,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1541513731, now seen corresponding path program 1 times [2024-10-14 03:57:38,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:38,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925365767] [2024-10-14 03:57:38,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:38,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:38,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:38,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925365767] [2024-10-14 03:57:38,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925365767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:38,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:38,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:38,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880485571] [2024-10-14 03:57:38,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:38,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:57:38,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:38,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:57:38,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:38,782 INFO L87 Difference]: Start difference. First operand 628 states and 880 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:38,870 INFO L93 Difference]: Finished difference Result 2026 states and 2941 transitions. [2024-10-14 03:57:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 03:57:38,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-14 03:57:38,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:38,873 INFO L225 Difference]: With dead ends: 2026 [2024-10-14 03:57:38,873 INFO L226 Difference]: Without dead ends: 1772 [2024-10-14 03:57:38,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:57:38,874 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 1042 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:38,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 1157 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:38,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1772 states. [2024-10-14 03:57:38,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1772 to 1006. [2024-10-14 03:57:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 1005 states have (on average 1.4298507462686567) internal successors, (1437), 1005 states have internal predecessors, (1437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1437 transitions. [2024-10-14 03:57:38,886 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1437 transitions. Word has length 115 [2024-10-14 03:57:38,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:38,886 INFO L471 AbstractCegarLoop]: Abstraction has 1006 states and 1437 transitions. [2024-10-14 03:57:38,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1437 transitions. [2024-10-14 03:57:38,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:57:38,887 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:38,887 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:38,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-14 03:57:38,888 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:38,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:38,888 INFO L85 PathProgramCache]: Analyzing trace with hash 416762097, now seen corresponding path program 1 times [2024-10-14 03:57:38,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:38,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415803523] [2024-10-14 03:57:38,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:38,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:39,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:39,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415803523] [2024-10-14 03:57:39,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415803523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:39,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:39,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:39,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045380871] [2024-10-14 03:57:39,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:39,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:57:39,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:39,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:57:39,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:39,007 INFO L87 Difference]: Start difference. First operand 1006 states and 1437 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:39,099 INFO L93 Difference]: Finished difference Result 2278 states and 3313 transitions. [2024-10-14 03:57:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 03:57:39,100 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-14 03:57:39,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:39,102 INFO L225 Difference]: With dead ends: 2278 [2024-10-14 03:57:39,102 INFO L226 Difference]: Without dead ends: 2024 [2024-10-14 03:57:39,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:57:39,104 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 1120 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:39,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 1162 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:39,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2024-10-14 03:57:39,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 1258. [2024-10-14 03:57:39,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1257 states have (on average 1.4391408114558473) internal successors, (1809), 1257 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1809 transitions. [2024-10-14 03:57:39,117 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1809 transitions. Word has length 115 [2024-10-14 03:57:39,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:39,118 INFO L471 AbstractCegarLoop]: Abstraction has 1258 states and 1809 transitions. [2024-10-14 03:57:39,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1809 transitions. [2024-10-14 03:57:39,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:57:39,119 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:39,119 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:39,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-14 03:57:39,119 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:39,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:39,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1355182732, now seen corresponding path program 1 times [2024-10-14 03:57:39,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:39,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691330538] [2024-10-14 03:57:39,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:39,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:39,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:39,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691330538] [2024-10-14 03:57:39,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691330538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:39,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:39,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:39,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144830684] [2024-10-14 03:57:39,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:39,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:57:39,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:39,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:57:39,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:39,293 INFO L87 Difference]: Start difference. First operand 1258 states and 1809 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:39,380 INFO L93 Difference]: Finished difference Result 2396 states and 3486 transitions. [2024-10-14 03:57:39,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 03:57:39,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-14 03:57:39,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:39,382 INFO L225 Difference]: With dead ends: 2396 [2024-10-14 03:57:39,382 INFO L226 Difference]: Without dead ends: 1260 [2024-10-14 03:57:39,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:57:39,383 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 399 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:39,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 550 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:57:39,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2024-10-14 03:57:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1258. [2024-10-14 03:57:39,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1257 states have (on average 1.4311853619729515) internal successors, (1799), 1257 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1799 transitions. [2024-10-14 03:57:39,391 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1799 transitions. Word has length 115 [2024-10-14 03:57:39,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:39,392 INFO L471 AbstractCegarLoop]: Abstraction has 1258 states and 1799 transitions. [2024-10-14 03:57:39,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1799 transitions. [2024-10-14 03:57:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:57:39,393 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:39,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:39,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-14 03:57:39,393 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:39,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:39,393 INFO L85 PathProgramCache]: Analyzing trace with hash -2124475725, now seen corresponding path program 1 times [2024-10-14 03:57:39,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:39,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822420627] [2024-10-14 03:57:39,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:39,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:39,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:39,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822420627] [2024-10-14 03:57:39,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822420627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:39,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:39,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:57:39,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772549534] [2024-10-14 03:57:39,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:39,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:57:39,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:39,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:57:39,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:39,435 INFO L87 Difference]: Start difference. First operand 1258 states and 1799 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:39,454 INFO L93 Difference]: Finished difference Result 3414 states and 4937 transitions. [2024-10-14 03:57:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:57:39,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-14 03:57:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:39,457 INFO L225 Difference]: With dead ends: 3414 [2024-10-14 03:57:39,457 INFO L226 Difference]: Without dead ends: 2278 [2024-10-14 03:57:39,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:39,458 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 83 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:39,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 450 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:57:39,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-10-14 03:57:39,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2276. [2024-10-14 03:57:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 2275 states have (on average 1.4215384615384616) internal successors, (3234), 2275 states have internal predecessors, (3234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3234 transitions. [2024-10-14 03:57:39,473 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3234 transitions. Word has length 115 [2024-10-14 03:57:39,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:39,473 INFO L471 AbstractCegarLoop]: Abstraction has 2276 states and 3234 transitions. [2024-10-14 03:57:39,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3234 transitions. [2024-10-14 03:57:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:57:39,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:39,474 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:39,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-14 03:57:39,474 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:39,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:39,475 INFO L85 PathProgramCache]: Analyzing trace with hash -579470549, now seen corresponding path program 1 times [2024-10-14 03:57:39,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:39,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790389970] [2024-10-14 03:57:39,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:39,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:39,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:39,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790389970] [2024-10-14 03:57:39,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790389970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:39,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:39,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:39,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038531897] [2024-10-14 03:57:39,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:39,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:57:39,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:39,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:57:39,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:39,575 INFO L87 Difference]: Start difference. First operand 2276 states and 3234 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:39,678 INFO L93 Difference]: Finished difference Result 4678 states and 6700 transitions. [2024-10-14 03:57:39,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 03:57:39,678 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-14 03:57:39,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:39,684 INFO L225 Difference]: With dead ends: 4678 [2024-10-14 03:57:39,684 INFO L226 Difference]: Without dead ends: 4198 [2024-10-14 03:57:39,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:57:39,688 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 1034 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:39,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 1202 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:39,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2024-10-14 03:57:39,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 2754. [2024-10-14 03:57:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2753 states have (on average 1.4246276788957501) internal successors, (3922), 2753 states have internal predecessors, (3922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3922 transitions. [2024-10-14 03:57:39,710 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3922 transitions. Word has length 115 [2024-10-14 03:57:39,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:39,711 INFO L471 AbstractCegarLoop]: Abstraction has 2754 states and 3922 transitions. [2024-10-14 03:57:39,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3922 transitions. [2024-10-14 03:57:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 03:57:39,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:39,712 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:39,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-14 03:57:39,712 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:39,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:39,712 INFO L85 PathProgramCache]: Analyzing trace with hash 704311, now seen corresponding path program 1 times [2024-10-14 03:57:39,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:39,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973562644] [2024-10-14 03:57:39,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:39,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:39,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:39,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973562644] [2024-10-14 03:57:39,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973562644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:39,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:39,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:57:39,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604642840] [2024-10-14 03:57:39,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:39,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:57:39,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:39,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:57:39,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:57:39,834 INFO L87 Difference]: Start difference. First operand 2754 states and 3922 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:39,949 INFO L93 Difference]: Finished difference Result 5156 states and 7388 transitions. [2024-10-14 03:57:39,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 03:57:39,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-14 03:57:39,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:39,954 INFO L225 Difference]: With dead ends: 5156 [2024-10-14 03:57:39,954 INFO L226 Difference]: Without dead ends: 4676 [2024-10-14 03:57:39,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:57:39,956 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 971 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:39,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 1351 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:57:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4676 states. [2024-10-14 03:57:39,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4676 to 3232. [2024-10-14 03:57:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3232 states, 3231 states have (on average 1.4268028474156609) internal successors, (4610), 3231 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 3232 states and 4610 transitions. [2024-10-14 03:57:39,985 INFO L78 Accepts]: Start accepts. Automaton has 3232 states and 4610 transitions. Word has length 115 [2024-10-14 03:57:39,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:39,985 INFO L471 AbstractCegarLoop]: Abstraction has 3232 states and 4610 transitions. [2024-10-14 03:57:39,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 4610 transitions. [2024-10-14 03:57:39,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-14 03:57:39,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:39,986 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:39,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-14 03:57:39,986 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:39,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:39,986 INFO L85 PathProgramCache]: Analyzing trace with hash 879840784, now seen corresponding path program 1 times [2024-10-14 03:57:39,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:39,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163457630] [2024-10-14 03:57:39,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:39,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:40,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:40,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163457630] [2024-10-14 03:57:40,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163457630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:40,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:40,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:57:40,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754650821] [2024-10-14 03:57:40,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:40,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:57:40,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:40,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:57:40,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:40,070 INFO L87 Difference]: Start difference. First operand 3232 states and 4610 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:40,096 INFO L93 Difference]: Finished difference Result 8178 states and 11690 transitions. [2024-10-14 03:57:40,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:57:40,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-10-14 03:57:40,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:40,102 INFO L225 Difference]: With dead ends: 8178 [2024-10-14 03:57:40,103 INFO L226 Difference]: Without dead ends: 5068 [2024-10-14 03:57:40,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:40,105 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 96 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:40,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:57:40,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5068 states. [2024-10-14 03:57:40,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5068 to 4858. [2024-10-14 03:57:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4858 states, 4857 states have (on average 1.415276919909409) internal successors, (6874), 4857 states have internal predecessors, (6874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4858 states to 4858 states and 6874 transitions. [2024-10-14 03:57:40,147 INFO L78 Accepts]: Start accepts. Automaton has 4858 states and 6874 transitions. Word has length 116 [2024-10-14 03:57:40,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:40,147 INFO L471 AbstractCegarLoop]: Abstraction has 4858 states and 6874 transitions. [2024-10-14 03:57:40,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4858 states and 6874 transitions. [2024-10-14 03:57:40,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-14 03:57:40,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:40,148 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:40,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-10-14 03:57:40,149 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:40,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:40,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1646779703, now seen corresponding path program 1 times [2024-10-14 03:57:40,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:40,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732619567] [2024-10-14 03:57:40,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:40,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:40,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:40,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732619567] [2024-10-14 03:57:40,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732619567] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:40,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:40,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:57:40,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861126118] [2024-10-14 03:57:40,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:40,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:57:40,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:40,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:57:40,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:40,231 INFO L87 Difference]: Start difference. First operand 4858 states and 6874 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:40,264 INFO L93 Difference]: Finished difference Result 14018 states and 19810 transitions. [2024-10-14 03:57:40,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:57:40,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-10-14 03:57:40,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:40,275 INFO L225 Difference]: With dead ends: 14018 [2024-10-14 03:57:40,275 INFO L226 Difference]: Without dead ends: 9282 [2024-10-14 03:57:40,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:40,281 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 89 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:40,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:57:40,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9282 states. [2024-10-14 03:57:40,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9282 to 8968. [2024-10-14 03:57:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8968 states, 8967 states have (on average 1.405152224824356) internal successors, (12600), 8967 states have internal predecessors, (12600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8968 states to 8968 states and 12600 transitions. [2024-10-14 03:57:40,356 INFO L78 Accepts]: Start accepts. Automaton has 8968 states and 12600 transitions. Word has length 117 [2024-10-14 03:57:40,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:40,356 INFO L471 AbstractCegarLoop]: Abstraction has 8968 states and 12600 transitions. [2024-10-14 03:57:40,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 8968 states and 12600 transitions. [2024-10-14 03:57:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-14 03:57:40,357 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:40,358 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:40,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-10-14 03:57:40,358 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:40,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:40,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1685712589, now seen corresponding path program 1 times [2024-10-14 03:57:40,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:40,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758404344] [2024-10-14 03:57:40,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:40,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:40,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:40,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758404344] [2024-10-14 03:57:40,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758404344] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:40,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:40,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:57:40,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457689358] [2024-10-14 03:57:40,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:40,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:57:40,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:40,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:57:40,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:40,475 INFO L87 Difference]: Start difference. First operand 8968 states and 12600 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:40,535 INFO L93 Difference]: Finished difference Result 26036 states and 36442 transitions. [2024-10-14 03:57:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:57:40,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-10-14 03:57:40,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:40,558 INFO L225 Difference]: With dead ends: 26036 [2024-10-14 03:57:40,559 INFO L226 Difference]: Without dead ends: 17190 [2024-10-14 03:57:40,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:40,570 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 82 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:40,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:57:40,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17190 states. [2024-10-14 03:57:40,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17190 to 16564. [2024-10-14 03:57:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16564 states, 16563 states have (on average 1.3909315945179013) internal successors, (23038), 16563 states have internal predecessors, (23038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16564 states to 16564 states and 23038 transitions. [2024-10-14 03:57:40,768 INFO L78 Accepts]: Start accepts. Automaton has 16564 states and 23038 transitions. Word has length 118 [2024-10-14 03:57:40,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:40,769 INFO L471 AbstractCegarLoop]: Abstraction has 16564 states and 23038 transitions. [2024-10-14 03:57:40,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 16564 states and 23038 transitions. [2024-10-14 03:57:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-14 03:57:40,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:40,770 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:40,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-10-14 03:57:40,770 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:40,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:40,770 INFO L85 PathProgramCache]: Analyzing trace with hash 800829190, now seen corresponding path program 1 times [2024-10-14 03:57:40,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:40,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944847287] [2024-10-14 03:57:40,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:40,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:40,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:40,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944847287] [2024-10-14 03:57:40,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944847287] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:40,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:40,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:57:40,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285073263] [2024-10-14 03:57:40,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:40,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:57:40,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:40,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:57:40,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:40,855 INFO L87 Difference]: Start difference. First operand 16564 states and 23038 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:40,941 INFO L93 Difference]: Finished difference Result 48200 states and 66664 transitions. [2024-10-14 03:57:40,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:57:40,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2024-10-14 03:57:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:40,984 INFO L225 Difference]: With dead ends: 48200 [2024-10-14 03:57:40,984 INFO L226 Difference]: Without dead ends: 31758 [2024-10-14 03:57:41,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:41,005 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 75 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:41,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 417 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:57:41,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31758 states. [2024-10-14 03:57:41,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31758 to 30508. [2024-10-14 03:57:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30508 states, 30507 states have (on average 1.3729963614908054) internal successors, (41886), 30507 states have internal predecessors, (41886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30508 states to 30508 states and 41886 transitions. [2024-10-14 03:57:41,388 INFO L78 Accepts]: Start accepts. Automaton has 30508 states and 41886 transitions. Word has length 119 [2024-10-14 03:57:41,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:41,389 INFO L471 AbstractCegarLoop]: Abstraction has 30508 states and 41886 transitions. [2024-10-14 03:57:41,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 30508 states and 41886 transitions. [2024-10-14 03:57:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-14 03:57:41,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:41,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:41,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-10-14 03:57:41,390 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:41,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:41,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1494180370, now seen corresponding path program 1 times [2024-10-14 03:57:41,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:41,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800096416] [2024-10-14 03:57:41,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:41,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:41,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:41,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800096416] [2024-10-14 03:57:41,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800096416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:41,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:41,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:57:41,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680957213] [2024-10-14 03:57:41,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:41,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:57:41,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:41,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:57:41,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:41,468 INFO L87 Difference]: Start difference. First operand 30508 states and 41886 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:41,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:41,601 INFO L93 Difference]: Finished difference Result 88784 states and 121024 transitions. [2024-10-14 03:57:41,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:57:41,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2024-10-14 03:57:41,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:41,666 INFO L225 Difference]: With dead ends: 88784 [2024-10-14 03:57:41,666 INFO L226 Difference]: Without dead ends: 58398 [2024-10-14 03:57:41,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:41,703 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 65 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:41,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 415 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:57:41,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58398 states. [2024-10-14 03:57:42,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58398 to 55900. [2024-10-14 03:57:42,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55900 states, 55899 states have (on average 1.3511154045689546) internal successors, (75526), 55899 states have internal predecessors, (75526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55900 states to 55900 states and 75526 transitions. [2024-10-14 03:57:42,484 INFO L78 Accepts]: Start accepts. Automaton has 55900 states and 75526 transitions. Word has length 120 [2024-10-14 03:57:42,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:42,484 INFO L471 AbstractCegarLoop]: Abstraction has 55900 states and 75526 transitions. [2024-10-14 03:57:42,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 55900 states and 75526 transitions. [2024-10-14 03:57:42,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 03:57:42,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:42,485 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:42,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-10-14 03:57:42,486 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:42,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:42,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1337857427, now seen corresponding path program 1 times [2024-10-14 03:57:42,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:42,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231252805] [2024-10-14 03:57:42,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:42,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:43,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:43,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231252805] [2024-10-14 03:57:43,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231252805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:43,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:43,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:57:43,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302057451] [2024-10-14 03:57:43,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:43,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 03:57:43,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:43,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 03:57:43,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 03:57:43,057 INFO L87 Difference]: Start difference. First operand 55900 states and 75526 transitions. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:43,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:43,193 INFO L93 Difference]: Finished difference Result 57054 states and 77063 transitions. [2024-10-14 03:57:43,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 03:57:43,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-10-14 03:57:43,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:43,257 INFO L225 Difference]: With dead ends: 57054 [2024-10-14 03:57:43,258 INFO L226 Difference]: Without dead ends: 57052 [2024-10-14 03:57:43,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 03:57:43,279 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:43,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 926 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:57:43,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57052 states. [2024-10-14 03:57:43,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57052 to 57052. [2024-10-14 03:57:43,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57052 states, 57051 states have (on average 1.336172897933428) internal successors, (76230), 57051 states have internal predecessors, (76230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:43,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57052 states to 57052 states and 76230 transitions. [2024-10-14 03:57:43,853 INFO L78 Accepts]: Start accepts. Automaton has 57052 states and 76230 transitions. Word has length 121 [2024-10-14 03:57:43,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:43,853 INFO L471 AbstractCegarLoop]: Abstraction has 57052 states and 76230 transitions. [2024-10-14 03:57:43,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 57052 states and 76230 transitions. [2024-10-14 03:57:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 03:57:43,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:43,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:43,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-10-14 03:57:43,855 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:43,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:43,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1089029553, now seen corresponding path program 1 times [2024-10-14 03:57:43,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:43,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284234985] [2024-10-14 03:57:43,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:43,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:43,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:43,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:43,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284234985] [2024-10-14 03:57:43,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284234985] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:43,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:57:43,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:57:43,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121373374] [2024-10-14 03:57:43,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:43,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:57:43,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:43,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:57:43,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:43,899 INFO L87 Difference]: Start difference. First operand 57052 states and 76230 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:44,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:44,307 INFO L93 Difference]: Finished difference Result 115488 states and 154360 transitions. [2024-10-14 03:57:44,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:57:44,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-10-14 03:57:44,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:44,370 INFO L225 Difference]: With dead ends: 115488 [2024-10-14 03:57:44,370 INFO L226 Difference]: Without dead ends: 58558 [2024-10-14 03:57:44,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:57:44,401 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 108 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:44,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 345 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:57:44,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58558 states. [2024-10-14 03:57:45,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58558 to 58556. [2024-10-14 03:57:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58556 states, 58555 states have (on average 1.321800017077961) internal successors, (77398), 58555 states have internal predecessors, (77398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58556 states to 58556 states and 77398 transitions. [2024-10-14 03:57:45,124 INFO L78 Accepts]: Start accepts. Automaton has 58556 states and 77398 transitions. Word has length 121 [2024-10-14 03:57:45,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:45,124 INFO L471 AbstractCegarLoop]: Abstraction has 58556 states and 77398 transitions. [2024-10-14 03:57:45,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 58556 states and 77398 transitions. [2024-10-14 03:57:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 03:57:45,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:45,130 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:45,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-14 03:57:45,130 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:45,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:45,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1227882138, now seen corresponding path program 1 times [2024-10-14 03:57:45,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:45,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494679729] [2024-10-14 03:57:45,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:45,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:45,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:45,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494679729] [2024-10-14 03:57:45,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494679729] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:57:45,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287113200] [2024-10-14 03:57:45,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:45,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:57:45,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:57:45,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:57:45,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 03:57:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:45,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-14 03:57:45,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:57:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:46,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:57:48,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:48,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287113200] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:57:48,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:57:48,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 24 [2024-10-14 03:57:48,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419883290] [2024-10-14 03:57:48,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:57:48,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-14 03:57:48,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:48,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-14 03:57:48,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2024-10-14 03:57:48,199 INFO L87 Difference]: Start difference. First operand 58556 states and 77398 transitions. Second operand has 25 states, 25 states have (on average 15.52) internal successors, (388), 24 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:50,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:50,144 INFO L93 Difference]: Finished difference Result 296132 states and 387881 transitions. [2024-10-14 03:57:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-14 03:57:50,144 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 15.52) internal successors, (388), 24 states have internal predecessors, (388), 0 states have call successors, (0), 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 153 [2024-10-14 03:57:50,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:50,392 INFO L225 Difference]: With dead ends: 296132 [2024-10-14 03:57:50,393 INFO L226 Difference]: Without dead ends: 237698 [2024-10-14 03:57:50,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=810, Invalid=2850, Unknown=0, NotChecked=0, Total=3660 [2024-10-14 03:57:50,431 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 2790 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2790 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:50,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2790 Valid, 1851 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 03:57:50,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237698 states. [2024-10-14 03:57:51,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237698 to 123850. [2024-10-14 03:57:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123850 states, 123849 states have (on average 1.3123400269683243) internal successors, (162532), 123849 states have internal predecessors, (162532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123850 states to 123850 states and 162532 transitions. [2024-10-14 03:57:52,211 INFO L78 Accepts]: Start accepts. Automaton has 123850 states and 162532 transitions. Word has length 153 [2024-10-14 03:57:52,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:52,211 INFO L471 AbstractCegarLoop]: Abstraction has 123850 states and 162532 transitions. [2024-10-14 03:57:52,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.52) internal successors, (388), 24 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 123850 states and 162532 transitions. [2024-10-14 03:57:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 03:57:52,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:52,517 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:52,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 03:57:52,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-10-14 03:57:52,718 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:52,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:52,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1346256395, now seen corresponding path program 1 times [2024-10-14 03:57:52,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:52,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749021135] [2024-10-14 03:57:52,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:52,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:53,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:53,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749021135] [2024-10-14 03:57:53,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749021135] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:57:53,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514978638] [2024-10-14 03:57:53,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:53,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:57:53,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:57:53,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:57:53,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 03:57:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:53,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 03:57:53,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:57:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-14 03:57:53,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:57:53,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514978638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:57:53,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:57:53,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-10-14 03:57:53,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586953490] [2024-10-14 03:57:53,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:57:53,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:57:53,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:57:53,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:57:53,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:57:53,971 INFO L87 Difference]: Start difference. First operand 123850 states and 162532 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:55,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:57:55,323 INFO L93 Difference]: Finished difference Result 371330 states and 487358 transitions. [2024-10-14 03:57:55,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:57:55,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 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 154 [2024-10-14 03:57:55,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:57:55,592 INFO L225 Difference]: With dead ends: 371330 [2024-10-14 03:57:55,593 INFO L226 Difference]: Without dead ends: 247604 [2024-10-14 03:57:55,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2024-10-14 03:57:55,644 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 391 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:57:55,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 889 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:57:55,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247604 states. [2024-10-14 03:57:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247604 to 123850. [2024-10-14 03:57:57,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123850 states, 123849 states have (on average 1.3123238782711204) internal successors, (162530), 123849 states have internal predecessors, (162530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:57,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123850 states to 123850 states and 162530 transitions. [2024-10-14 03:57:57,908 INFO L78 Accepts]: Start accepts. Automaton has 123850 states and 162530 transitions. Word has length 154 [2024-10-14 03:57:57,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:57:57,908 INFO L471 AbstractCegarLoop]: Abstraction has 123850 states and 162530 transitions. [2024-10-14 03:57:57,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:57:57,909 INFO L276 IsEmpty]: Start isEmpty. Operand 123850 states and 162530 transitions. [2024-10-14 03:57:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 03:57:57,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:57:57,923 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:57:57,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 03:57:58,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-10-14 03:57:58,124 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-14 03:57:58,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:57:58,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1036050247, now seen corresponding path program 1 times [2024-10-14 03:57:58,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:57:58,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345913665] [2024-10-14 03:57:58,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:58,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:57:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:58,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:57:58,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345913665] [2024-10-14 03:57:58,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345913665] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:57:58,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537933729] [2024-10-14 03:57:58,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:57:58,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:57:58,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:57:58,655 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:57:58,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 03:57:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:57:58,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 03:57:58,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:57:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:57:59,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:58:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:58:01,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537933729] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:58:01,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:58:01,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-10-14 03:58:01,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339196016] [2024-10-14 03:58:01,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:58:01,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-14 03:58:01,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:58:01,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-14 03:58:01,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2024-10-14 03:58:01,333 INFO L87 Difference]: Start difference. First operand 123850 states and 162530 transitions. Second operand has 30 states, 30 states have (on average 14.166666666666666) internal successors, (425), 29 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:58:10,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:58:10,965 INFO L93 Difference]: Finished difference Result 955172 states and 1259263 transitions. [2024-10-14 03:58:10,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-10-14 03:58:10,966 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 14.166666666666666) internal successors, (425), 29 states have internal predecessors, (425), 0 states have call successors, (0), 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 155 [2024-10-14 03:58:10,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:58:12,610 INFO L225 Difference]: With dead ends: 955172 [2024-10-14 03:58:12,611 INFO L226 Difference]: Without dead ends: 831458 [2024-10-14 03:58:12,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11793 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=4259, Invalid=30151, Unknown=0, NotChecked=0, Total=34410 [2024-10-14 03:58:12,728 INFO L432 NwaCegarLoop]: 408 mSDtfsCounter, 5303 mSDsluCounter, 5475 mSDsCounter, 0 mSdLazyCounter, 6944 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5303 SdHoareTripleChecker+Valid, 5883 SdHoareTripleChecker+Invalid, 6997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 6944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:58:12,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5303 Valid, 5883 Invalid, 6997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 6944 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-14 03:58:13,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831458 states.