./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 876148c876cf7c1b78d2f058097c1ea19d5931075241b9f9a3c243e2bacc58fd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 15:08:22,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 15:08:22,261 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 15:08:22,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 15:08:22,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 15:08:22,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 15:08:22,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 15:08:22,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 15:08:22,305 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 15:08:22,306 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 15:08:22,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 15:08:22,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 15:08:22,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 15:08:22,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 15:08:22,309 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 15:08:22,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 15:08:22,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 15:08:22,313 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 15:08:22,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 15:08:22,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 15:08:22,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 15:08:22,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 15:08:22,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 15:08:22,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 15:08:22,317 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 15:08:22,318 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 15:08:22,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 15:08:22,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 15:08:22,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 15:08:22,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 15:08:22,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 15:08:22,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 15:08:22,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 15:08:22,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 15:08:22,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 15:08:22,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 15:08:22,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 15:08:22,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 15:08:22,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 15:08:22,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 15:08:22,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 15:08:22,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 15:08:22,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876148c876cf7c1b78d2f058097c1ea19d5931075241b9f9a3c243e2bacc58fd [2024-11-18 15:08:22,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 15:08:22,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 15:08:22,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 15:08:22,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 15:08:22,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 15:08:22,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-18 15:08:23,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 15:08:24,297 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 15:08:24,298 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-18 15:08:24,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1e07a0b/25d9c779469947828c42bf5b2f1e99dd/FLAG1de7a1bc1 [2024-11-18 15:08:24,337 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1e07a0b/25d9c779469947828c42bf5b2f1e99dd [2024-11-18 15:08:24,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 15:08:24,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 15:08:24,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 15:08:24,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 15:08:24,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 15:08:24,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:08:24" (1/1) ... [2024-11-18 15:08:24,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e9bea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:24, skipping insertion in model container [2024-11-18 15:08:24,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:08:24" (1/1) ... [2024-11-18 15:08:24,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 15:08:24,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10927,10940] [2024-11-18 15:08:24,861 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14764,14777] [2024-11-18 15:08:24,872 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15985,15998] [2024-11-18 15:08:24,879 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16691,16704] [2024-11-18 15:08:24,913 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18235,18248] [2024-11-18 15:08:24,924 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18941,18954] [2024-11-18 15:08:24,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19970,19983] [2024-11-18 15:08:24,958 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22376,22389] [2024-11-18 15:08:24,963 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23085,23098] [2024-11-18 15:08:24,971 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24122,24135] [2024-11-18 15:08:24,984 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26018,26031] [2024-11-18 15:08:24,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29926,29939] [2024-11-18 15:08:25,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30635,30648] [2024-11-18 15:08:25,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31667,31680] [2024-11-18 15:08:25,031 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33558,33571] [2024-11-18 15:08:25,053 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36771,36784] [2024-11-18 15:08:25,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 15:08:25,218 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 15:08:25,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10927,10940] [2024-11-18 15:08:25,280 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14764,14777] [2024-11-18 15:08:25,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15985,15998] [2024-11-18 15:08:25,287 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16691,16704] [2024-11-18 15:08:25,294 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18235,18248] [2024-11-18 15:08:25,300 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18941,18954] [2024-11-18 15:08:25,307 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19970,19983] [2024-11-18 15:08:25,318 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22376,22389] [2024-11-18 15:08:25,321 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23085,23098] [2024-11-18 15:08:25,324 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24122,24135] [2024-11-18 15:08:25,329 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26018,26031] [2024-11-18 15:08:25,340 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29926,29939] [2024-11-18 15:08:25,343 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30635,30648] [2024-11-18 15:08:25,346 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31667,31680] [2024-11-18 15:08:25,353 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33558,33571] [2024-11-18 15:08:25,365 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36771,36784] [2024-11-18 15:08:25,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 15:08:25,479 INFO L204 MainTranslator]: Completed translation [2024-11-18 15:08:25,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25 WrapperNode [2024-11-18 15:08:25,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 15:08:25,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 15:08:25,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 15:08:25,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 15:08:25,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,616 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3577 [2024-11-18 15:08:25,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 15:08:25,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 15:08:25,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 15:08:25,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 15:08:25,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,705 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 15:08:25,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 15:08:25,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 15:08:25,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 15:08:25,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 15:08:25,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (1/1) ... [2024-11-18 15:08:25,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 15:08:25,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 15:08:25,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 15:08:25,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 15:08:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 15:08:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 15:08:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 15:08:25,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 15:08:26,153 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 15:08:26,155 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 15:08:28,072 INFO L? ?]: Removed 539 outVars from TransFormulas that were not future-live. [2024-11-18 15:08:28,073 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 15:08:28,112 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 15:08:28,113 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 15:08:28,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:08:28 BoogieIcfgContainer [2024-11-18 15:08:28,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 15:08:28,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 15:08:28,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 15:08:28,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 15:08:28,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:08:24" (1/3) ... [2024-11-18 15:08:28,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50785b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:08:28, skipping insertion in model container [2024-11-18 15:08:28,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:08:25" (2/3) ... [2024-11-18 15:08:28,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50785b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:08:28, skipping insertion in model container [2024-11-18 15:08:28,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:08:28" (3/3) ... [2024-11-18 15:08:28,127 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-18 15:08:28,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 15:08:28,145 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-18 15:08:28,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 15:08:28,241 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;@57aad3e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 15:08:28,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-18 15:08:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 626 states, 609 states have (on average 1.8505747126436782) internal successors, (1127), 625 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-18 15:08:28,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:28,279 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] [2024-11-18 15:08:28,279 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:28,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:28,286 INFO L85 PathProgramCache]: Analyzing trace with hash -50607350, now seen corresponding path program 1 times [2024-11-18 15:08:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:28,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233900620] [2024-11-18 15:08:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:28,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:28,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:28,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233900620] [2024-11-18 15:08:28,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233900620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:28,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:28,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:08:28,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119384162] [2024-11-18 15:08:28,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:28,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:08:28,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:28,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:08:28,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:08:29,001 INFO L87 Difference]: Start difference. First operand has 626 states, 609 states have (on average 1.8505747126436782) internal successors, (1127), 625 states have internal predecessors, (1127), 0 states have call successors, (0), 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) [2024-11-18 15:08:29,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:29,486 INFO L93 Difference]: Finished difference Result 971 states and 1686 transitions. [2024-11-18 15:08:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:08:29,489 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 [2024-11-18 15:08:29,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:29,510 INFO L225 Difference]: With dead ends: 971 [2024-11-18 15:08:29,510 INFO L226 Difference]: Without dead ends: 498 [2024-11-18 15:08:29,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:08:29,522 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 2526 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:29,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2526 Valid, 603 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:08:29,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-18 15:08:29,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2024-11-18 15:08:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 482 states have (on average 1.3112033195020747) internal successors, (632), 497 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 632 transitions. [2024-11-18 15:08:29,586 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 632 transitions. Word has length 71 [2024-11-18 15:08:29,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:29,587 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 632 transitions. [2024-11-18 15:08:29,587 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) [2024-11-18 15:08:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 632 transitions. [2024-11-18 15:08:29,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-18 15:08:29,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:29,594 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] [2024-11-18 15:08:29,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 15:08:29,595 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:29,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:29,595 INFO L85 PathProgramCache]: Analyzing trace with hash -329897172, now seen corresponding path program 1 times [2024-11-18 15:08:29,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:29,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441458370] [2024-11-18 15:08:29,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:29,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:29,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:29,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441458370] [2024-11-18 15:08:29,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441458370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:29,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:29,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:08:29,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624822287] [2024-11-18 15:08:29,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:29,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:08:29,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:29,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:08:29,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:08:29,811 INFO L87 Difference]: Start difference. First operand 498 states and 632 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) [2024-11-18 15:08:30,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:30,184 INFO L93 Difference]: Finished difference Result 834 states and 1087 transitions. [2024-11-18 15:08:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:08:30,185 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 [2024-11-18 15:08:30,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:30,187 INFO L225 Difference]: With dead ends: 834 [2024-11-18 15:08:30,187 INFO L226 Difference]: Without dead ends: 458 [2024-11-18 15:08:30,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:08:30,191 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 1648 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:30,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 328 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:08:30,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-18 15:08:30,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2024-11-18 15:08:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 442 states have (on average 1.3190045248868778) internal successors, (583), 457 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 583 transitions. [2024-11-18 15:08:30,218 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 583 transitions. Word has length 72 [2024-11-18 15:08:30,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:30,218 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 583 transitions. [2024-11-18 15:08:30,218 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) [2024-11-18 15:08:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 583 transitions. [2024-11-18 15:08:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-18 15:08:30,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:30,222 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] [2024-11-18 15:08:30,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 15:08:30,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:30,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:30,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1203518485, now seen corresponding path program 1 times [2024-11-18 15:08:30,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:30,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574745329] [2024-11-18 15:08:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:30,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:30,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:30,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574745329] [2024-11-18 15:08:30,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574745329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:30,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:30,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:08:30,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002815148] [2024-11-18 15:08:30,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:30,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:08:30,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:30,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:08:30,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:08:30,455 INFO L87 Difference]: Start difference. First operand 458 states and 583 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) [2024-11-18 15:08:30,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:30,780 INFO L93 Difference]: Finished difference Result 794 states and 1037 transitions. [2024-11-18 15:08:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:08:30,781 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 [2024-11-18 15:08:30,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:30,782 INFO L225 Difference]: With dead ends: 794 [2024-11-18 15:08:30,783 INFO L226 Difference]: Without dead ends: 426 [2024-11-18 15:08:30,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:08:30,786 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 1555 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:30,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 322 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:08:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-18 15:08:30,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-11-18 15:08:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 410 states have (on average 1.3317073170731708) internal successors, (546), 425 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:30,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 546 transitions. [2024-11-18 15:08:30,800 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 546 transitions. Word has length 73 [2024-11-18 15:08:30,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:30,800 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 546 transitions. [2024-11-18 15:08:30,801 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) [2024-11-18 15:08:30,801 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 546 transitions. [2024-11-18 15:08:30,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-18 15:08:30,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:30,805 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] [2024-11-18 15:08:30,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 15:08:30,806 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:30,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:30,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2052061875, now seen corresponding path program 1 times [2024-11-18 15:08:30,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:30,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641139998] [2024-11-18 15:08:30,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:30,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:30,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:30,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641139998] [2024-11-18 15:08:30,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641139998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:30,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:30,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:08:30,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679664614] [2024-11-18 15:08:30,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:30,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:08:30,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:30,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:08:30,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:08:30,991 INFO L87 Difference]: Start difference. First operand 426 states and 546 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) [2024-11-18 15:08:31,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:31,274 INFO L93 Difference]: Finished difference Result 762 states and 999 transitions. [2024-11-18 15:08:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:08:31,275 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 [2024-11-18 15:08:31,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:31,277 INFO L225 Difference]: With dead ends: 762 [2024-11-18 15:08:31,277 INFO L226 Difference]: Without dead ends: 401 [2024-11-18 15:08:31,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:08:31,278 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 1497 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:31,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1497 Valid, 309 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:08:31,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-18 15:08:31,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-11-18 15:08:31,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 385 states have (on average 1.3454545454545455) internal successors, (518), 400 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 518 transitions. [2024-11-18 15:08:31,287 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 518 transitions. Word has length 74 [2024-11-18 15:08:31,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:31,287 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 518 transitions. [2024-11-18 15:08:31,288 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) [2024-11-18 15:08:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 518 transitions. [2024-11-18 15:08:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-18 15:08:31,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:31,289 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] [2024-11-18 15:08:31,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 15:08:31,290 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:31,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:31,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1326375668, now seen corresponding path program 1 times [2024-11-18 15:08:31,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:31,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858870209] [2024-11-18 15:08:31,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:31,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:31,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:31,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858870209] [2024-11-18 15:08:31,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858870209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:31,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:31,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:08:31,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367420852] [2024-11-18 15:08:31,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:31,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:08:31,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:31,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:08:31,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:08:31,455 INFO L87 Difference]: Start difference. First operand 401 states and 518 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) [2024-11-18 15:08:31,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:31,721 INFO L93 Difference]: Finished difference Result 737 states and 970 transitions. [2024-11-18 15:08:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:08:31,724 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 [2024-11-18 15:08:31,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:31,726 INFO L225 Difference]: With dead ends: 737 [2024-11-18 15:08:31,726 INFO L226 Difference]: Without dead ends: 390 [2024-11-18 15:08:31,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:08:31,728 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 1445 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:31,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 304 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:08:31,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-18 15:08:31,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2024-11-18 15:08:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3502673796791445) internal successors, (505), 389 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 505 transitions. [2024-11-18 15:08:31,739 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 505 transitions. Word has length 75 [2024-11-18 15:08:31,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:31,739 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 505 transitions. [2024-11-18 15:08:31,739 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) [2024-11-18 15:08:31,739 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 505 transitions. [2024-11-18 15:08:31,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-18 15:08:31,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:31,740 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] [2024-11-18 15:08:31,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 15:08:31,741 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:31,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:31,741 INFO L85 PathProgramCache]: Analyzing trace with hash -976633234, now seen corresponding path program 1 times [2024-11-18 15:08:31,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:31,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814012294] [2024-11-18 15:08:31,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:31,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:32,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:32,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814012294] [2024-11-18 15:08:32,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814012294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:32,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:32,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-18 15:08:32,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906969300] [2024-11-18 15:08:32,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:32,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-18 15:08:32,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:32,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-18 15:08:32,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:08:32,231 INFO L87 Difference]: Start difference. First operand 390 states and 505 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 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) [2024-11-18 15:08:33,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:33,035 INFO L93 Difference]: Finished difference Result 672 states and 880 transitions. [2024-11-18 15:08:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-18 15:08:33,036 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 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 [2024-11-18 15:08:33,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:33,038 INFO L225 Difference]: With dead ends: 672 [2024-11-18 15:08:33,038 INFO L226 Difference]: Without dead ends: 591 [2024-11-18 15:08:33,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:33,040 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 2269 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:33,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2269 Valid, 1457 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-18 15:08:33,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-18 15:08:33,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 390. [2024-11-18 15:08:33,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3475935828877006) internal successors, (504), 389 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:33,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 504 transitions. [2024-11-18 15:08:33,052 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 504 transitions. Word has length 76 [2024-11-18 15:08:33,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:33,054 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 504 transitions. [2024-11-18 15:08:33,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 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) [2024-11-18 15:08:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 504 transitions. [2024-11-18 15:08:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-18 15:08:33,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:33,057 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] [2024-11-18 15:08:33,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 15:08:33,059 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:33,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:33,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1406136960, now seen corresponding path program 1 times [2024-11-18 15:08:33,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:33,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019050629] [2024-11-18 15:08:33,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:33,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:33,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:33,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019050629] [2024-11-18 15:08:33,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019050629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:33,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:33,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:08:33,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926289751] [2024-11-18 15:08:33,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:33,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 15:08:33,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:33,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 15:08:33,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 15:08:33,456 INFO L87 Difference]: Start difference. First operand 390 states and 504 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) [2024-11-18 15:08:34,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:34,089 INFO L93 Difference]: Finished difference Result 754 states and 960 transitions. [2024-11-18 15:08:34,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 15:08:34,090 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 [2024-11-18 15:08:34,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:34,092 INFO L225 Difference]: With dead ends: 754 [2024-11-18 15:08:34,092 INFO L226 Difference]: Without dead ends: 542 [2024-11-18 15:08:34,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-18 15:08:34,093 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 2066 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:34,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2066 Valid, 1140 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:34,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-18 15:08:34,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 390. [2024-11-18 15:08:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3449197860962567) internal successors, (503), 389 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 503 transitions. [2024-11-18 15:08:34,102 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 503 transitions. Word has length 76 [2024-11-18 15:08:34,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:34,102 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 503 transitions. [2024-11-18 15:08:34,102 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) [2024-11-18 15:08:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 503 transitions. [2024-11-18 15:08:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-18 15:08:34,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:34,104 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] [2024-11-18 15:08:34,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 15:08:34,104 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:34,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:34,105 INFO L85 PathProgramCache]: Analyzing trace with hash 649885335, now seen corresponding path program 1 times [2024-11-18 15:08:34,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:34,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575218785] [2024-11-18 15:08:34,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:34,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:34,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:34,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575218785] [2024-11-18 15:08:34,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575218785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:34,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:34,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:34,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223726320] [2024-11-18 15:08:34,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:34,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:34,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:34,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:34,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:34,504 INFO L87 Difference]: Start difference. First operand 390 states and 503 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 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) [2024-11-18 15:08:35,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:35,444 INFO L93 Difference]: Finished difference Result 733 states and 965 transitions. [2024-11-18 15:08:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:35,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 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 [2024-11-18 15:08:35,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:35,446 INFO L225 Difference]: With dead ends: 733 [2024-11-18 15:08:35,447 INFO L226 Difference]: Without dead ends: 605 [2024-11-18 15:08:35,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:35,448 INFO L432 NwaCegarLoop]: 400 mSDtfsCounter, 2124 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:35,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 2034 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1476 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-18 15:08:35,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-18 15:08:35,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 390. [2024-11-18 15:08:35,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3422459893048129) internal successors, (502), 389 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 502 transitions. [2024-11-18 15:08:35,455 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 502 transitions. Word has length 76 [2024-11-18 15:08:35,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:35,455 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 502 transitions. [2024-11-18 15:08:35,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 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) [2024-11-18 15:08:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 502 transitions. [2024-11-18 15:08:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-18 15:08:35,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:35,456 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] [2024-11-18 15:08:35,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 15:08:35,457 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:35,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:35,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1538930145, now seen corresponding path program 1 times [2024-11-18 15:08:35,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:35,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226004015] [2024-11-18 15:08:35,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:35,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:35,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:35,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:35,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226004015] [2024-11-18 15:08:35,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226004015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:35,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:35,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:35,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404395940] [2024-11-18 15:08:35,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:35,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:35,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:35,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:35,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:35,742 INFO L87 Difference]: Start difference. First operand 390 states and 502 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 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) [2024-11-18 15:08:36,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:36,457 INFO L93 Difference]: Finished difference Result 582 states and 741 transitions. [2024-11-18 15:08:36,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:08:36,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 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 [2024-11-18 15:08:36,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:36,460 INFO L225 Difference]: With dead ends: 582 [2024-11-18 15:08:36,460 INFO L226 Difference]: Without dead ends: 577 [2024-11-18 15:08:36,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:36,462 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 2260 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:36,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2260 Valid, 1216 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:08:36,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-18 15:08:36,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 390. [2024-11-18 15:08:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.339572192513369) internal successors, (501), 389 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 501 transitions. [2024-11-18 15:08:36,471 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 501 transitions. Word has length 76 [2024-11-18 15:08:36,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:36,472 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 501 transitions. [2024-11-18 15:08:36,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 8 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) [2024-11-18 15:08:36,472 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 501 transitions. [2024-11-18 15:08:36,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-18 15:08:36,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:36,474 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] [2024-11-18 15:08:36,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 15:08:36,474 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:36,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:36,475 INFO L85 PathProgramCache]: Analyzing trace with hash 684383254, now seen corresponding path program 1 times [2024-11-18 15:08:36,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:36,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719886128] [2024-11-18 15:08:36,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:36,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:36,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:36,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719886128] [2024-11-18 15:08:36,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719886128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:36,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:36,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:36,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389250456] [2024-11-18 15:08:36,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:36,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:36,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:36,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:36,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:36,791 INFO L87 Difference]: Start difference. First operand 390 states and 501 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:37,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:37,600 INFO L93 Difference]: Finished difference Result 699 states and 917 transitions. [2024-11-18 15:08:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:08:37,602 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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 [2024-11-18 15:08:37,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:37,605 INFO L225 Difference]: With dead ends: 699 [2024-11-18 15:08:37,605 INFO L226 Difference]: Without dead ends: 601 [2024-11-18 15:08:37,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:37,606 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 1146 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:37,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 1590 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-18 15:08:37,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-18 15:08:37,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 390. [2024-11-18 15:08:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3368983957219251) internal successors, (500), 389 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2024-11-18 15:08:37,615 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 78 [2024-11-18 15:08:37,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:37,615 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2024-11-18 15:08:37,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2024-11-18 15:08:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-18 15:08:37,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:37,616 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] [2024-11-18 15:08:37,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 15:08:37,617 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:37,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:37,617 INFO L85 PathProgramCache]: Analyzing trace with hash 275538026, now seen corresponding path program 1 times [2024-11-18 15:08:37,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:37,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216914333] [2024-11-18 15:08:37,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:37,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:37,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:37,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216914333] [2024-11-18 15:08:37,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216914333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:37,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:37,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:37,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814838595] [2024-11-18 15:08:37,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:37,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:37,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:37,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:37,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:37,960 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:38,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:38,672 INFO L93 Difference]: Finished difference Result 669 states and 872 transitions. [2024-11-18 15:08:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:38,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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 [2024-11-18 15:08:38,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:38,675 INFO L225 Difference]: With dead ends: 669 [2024-11-18 15:08:38,675 INFO L226 Difference]: Without dead ends: 593 [2024-11-18 15:08:38,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:38,676 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 1941 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:38,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 1330 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:08:38,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-18 15:08:38,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 390. [2024-11-18 15:08:38,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3342245989304813) internal successors, (499), 389 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:38,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 499 transitions. [2024-11-18 15:08:38,685 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 499 transitions. Word has length 78 [2024-11-18 15:08:38,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:38,685 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 499 transitions. [2024-11-18 15:08:38,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 499 transitions. [2024-11-18 15:08:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-18 15:08:38,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:38,687 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] [2024-11-18 15:08:38,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 15:08:38,687 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)] === [2024-11-18 15:08:38,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:38,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1207054515, now seen corresponding path program 1 times [2024-11-18 15:08:38,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:38,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698226750] [2024-11-18 15:08:38,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:38,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:38,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:38,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698226750] [2024-11-18 15:08:38,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698226750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:38,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:38,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:38,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932148034] [2024-11-18 15:08:38,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:38,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:38,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:38,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:38,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:38,988 INFO L87 Difference]: Start difference. First operand 390 states and 499 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:39,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:39,590 INFO L93 Difference]: Finished difference Result 665 states and 867 transitions. [2024-11-18 15:08:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:39,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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 [2024-11-18 15:08:39,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:39,593 INFO L225 Difference]: With dead ends: 665 [2024-11-18 15:08:39,593 INFO L226 Difference]: Without dead ends: 593 [2024-11-18 15:08:39,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:39,594 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 1761 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:39,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 1493 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:39,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-18 15:08:39,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 390. [2024-11-18 15:08:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3315508021390374) internal successors, (498), 389 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 498 transitions. [2024-11-18 15:08:39,601 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 498 transitions. Word has length 78 [2024-11-18 15:08:39,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:39,601 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 498 transitions. [2024-11-18 15:08:39,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 498 transitions. [2024-11-18 15:08:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-18 15:08:39,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:39,603 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] [2024-11-18 15:08:39,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 15:08:39,603 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:39,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:39,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1663299084, now seen corresponding path program 1 times [2024-11-18 15:08:39,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:39,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452465805] [2024-11-18 15:08:39,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:39,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:39,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:39,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452465805] [2024-11-18 15:08:39,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452465805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:39,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:39,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:39,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004385699] [2024-11-18 15:08:39,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:39,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:39,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:39,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:39,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:39,892 INFO L87 Difference]: Start difference. First operand 390 states and 498 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:40,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:40,596 INFO L93 Difference]: Finished difference Result 690 states and 902 transitions. [2024-11-18 15:08:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:40,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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 [2024-11-18 15:08:40,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:40,599 INFO L225 Difference]: With dead ends: 690 [2024-11-18 15:08:40,599 INFO L226 Difference]: Without dead ends: 601 [2024-11-18 15:08:40,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:40,600 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 2576 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:40,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 1467 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:08:40,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-18 15:08:40,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 390. [2024-11-18 15:08:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3288770053475936) internal successors, (497), 389 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 497 transitions. [2024-11-18 15:08:40,609 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 497 transitions. Word has length 78 [2024-11-18 15:08:40,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:40,609 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 497 transitions. [2024-11-18 15:08:40,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 497 transitions. [2024-11-18 15:08:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-18 15:08:40,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:40,611 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] [2024-11-18 15:08:40,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 15:08:40,611 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:40,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:40,611 INFO L85 PathProgramCache]: Analyzing trace with hash 574449411, now seen corresponding path program 1 times [2024-11-18 15:08:40,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:40,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531342106] [2024-11-18 15:08:40,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:40,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:40,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:40,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531342106] [2024-11-18 15:08:40,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531342106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:40,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:40,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:40,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120375952] [2024-11-18 15:08:40,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:40,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:40,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:40,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:40,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:40,879 INFO L87 Difference]: Start difference. First operand 390 states and 497 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:41,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:41,655 INFO L93 Difference]: Finished difference Result 748 states and 971 transitions. [2024-11-18 15:08:41,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:08:41,656 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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 [2024-11-18 15:08:41,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:41,659 INFO L225 Difference]: With dead ends: 748 [2024-11-18 15:08:41,659 INFO L226 Difference]: Without dead ends: 605 [2024-11-18 15:08:41,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:41,660 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 1983 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:41,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1983 Valid, 1684 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:08:41,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-18 15:08:41,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 390. [2024-11-18 15:08:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3262032085561497) internal successors, (496), 389 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 496 transitions. [2024-11-18 15:08:41,669 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 496 transitions. Word has length 78 [2024-11-18 15:08:41,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:41,669 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 496 transitions. [2024-11-18 15:08:41,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 496 transitions. [2024-11-18 15:08:41,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-18 15:08:41,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:41,671 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] [2024-11-18 15:08:41,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 15:08:41,671 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:41,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:41,672 INFO L85 PathProgramCache]: Analyzing trace with hash 688086315, now seen corresponding path program 1 times [2024-11-18 15:08:41,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:41,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238196797] [2024-11-18 15:08:41,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:41,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:41,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:41,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238196797] [2024-11-18 15:08:41,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238196797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:41,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:41,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:41,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60703441] [2024-11-18 15:08:41,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:41,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:41,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:41,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:41,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:41,975 INFO L87 Difference]: Start difference. First operand 390 states and 496 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:42,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:42,618 INFO L93 Difference]: Finished difference Result 669 states and 867 transitions. [2024-11-18 15:08:42,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:42,618 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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 [2024-11-18 15:08:42,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:42,620 INFO L225 Difference]: With dead ends: 669 [2024-11-18 15:08:42,621 INFO L226 Difference]: Without dead ends: 593 [2024-11-18 15:08:42,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:42,622 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 2569 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:42,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 1398 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:42,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-18 15:08:42,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 390. [2024-11-18 15:08:42,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3235294117647058) internal successors, (495), 389 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 495 transitions. [2024-11-18 15:08:42,632 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 495 transitions. Word has length 78 [2024-11-18 15:08:42,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:42,633 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 495 transitions. [2024-11-18 15:08:42,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 495 transitions. [2024-11-18 15:08:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-18 15:08:42,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:42,634 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] [2024-11-18 15:08:42,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 15:08:42,634 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:42,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:42,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1096931543, now seen corresponding path program 1 times [2024-11-18 15:08:42,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:42,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758702529] [2024-11-18 15:08:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:42,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:42,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:42,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758702529] [2024-11-18 15:08:42,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758702529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:42,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:42,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:42,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949021608] [2024-11-18 15:08:42,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:42,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:42,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:42,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:42,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:42,958 INFO L87 Difference]: Start difference. First operand 390 states and 495 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:43,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:43,659 INFO L93 Difference]: Finished difference Result 699 states and 907 transitions. [2024-11-18 15:08:43,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:43,659 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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 [2024-11-18 15:08:43,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:43,661 INFO L225 Difference]: With dead ends: 699 [2024-11-18 15:08:43,661 INFO L226 Difference]: Without dead ends: 601 [2024-11-18 15:08:43,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:43,662 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 2038 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2038 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:43,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2038 Valid, 1865 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:08:43,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-18 15:08:43,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 390. [2024-11-18 15:08:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.320855614973262) internal successors, (494), 389 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 494 transitions. [2024-11-18 15:08:43,669 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 494 transitions. Word has length 78 [2024-11-18 15:08:43,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:43,669 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 494 transitions. [2024-11-18 15:08:43,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 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) [2024-11-18 15:08:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 494 transitions. [2024-11-18 15:08:43,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:43,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:43,670 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] [2024-11-18 15:08:43,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 15:08:43,671 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:43,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:43,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1780834374, now seen corresponding path program 1 times [2024-11-18 15:08:43,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:43,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931035036] [2024-11-18 15:08:43,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:43,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:44,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:44,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931035036] [2024-11-18 15:08:44,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931035036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:44,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:44,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:44,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350359386] [2024-11-18 15:08:44,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:44,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:44,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:44,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:44,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:44,016 INFO L87 Difference]: Start difference. First operand 390 states and 494 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:44,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:44,815 INFO L93 Difference]: Finished difference Result 643 states and 825 transitions. [2024-11-18 15:08:44,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:44,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:44,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:44,818 INFO L225 Difference]: With dead ends: 643 [2024-11-18 15:08:44,818 INFO L226 Difference]: Without dead ends: 577 [2024-11-18 15:08:44,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:44,819 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 2133 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:44,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 1766 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-18 15:08:44,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-18 15:08:44,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 390. [2024-11-18 15:08:44,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3181818181818181) internal successors, (493), 389 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 493 transitions. [2024-11-18 15:08:44,826 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 493 transitions. Word has length 80 [2024-11-18 15:08:44,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:44,826 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 493 transitions. [2024-11-18 15:08:44,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 493 transitions. [2024-11-18 15:08:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:44,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:44,827 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] [2024-11-18 15:08:44,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 15:08:44,828 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:44,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:44,828 INFO L85 PathProgramCache]: Analyzing trace with hash 515089470, now seen corresponding path program 1 times [2024-11-18 15:08:44,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:44,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239617535] [2024-11-18 15:08:44,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:44,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:45,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:45,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239617535] [2024-11-18 15:08:45,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239617535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:45,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:45,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-18 15:08:45,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890306475] [2024-11-18 15:08:45,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:45,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:08:45,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:45,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:08:45,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:08:45,338 INFO L87 Difference]: Start difference. First operand 390 states and 493 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 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) [2024-11-18 15:08:46,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:46,459 INFO L93 Difference]: Finished difference Result 808 states and 1063 transitions. [2024-11-18 15:08:46,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-18 15:08:46,460 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 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 [2024-11-18 15:08:46,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:46,462 INFO L225 Difference]: With dead ends: 808 [2024-11-18 15:08:46,462 INFO L226 Difference]: Without dead ends: 739 [2024-11-18 15:08:46,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-18 15:08:46,463 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 4053 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4053 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:46,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4053 Valid, 1645 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-18 15:08:46,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-18 15:08:46,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 394. [2024-11-18 15:08:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3148148148148149) internal successors, (497), 393 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 497 transitions. [2024-11-18 15:08:46,477 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 497 transitions. Word has length 80 [2024-11-18 15:08:46,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:46,477 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 497 transitions. [2024-11-18 15:08:46,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 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) [2024-11-18 15:08:46,477 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2024-11-18 15:08:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:46,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:46,478 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] [2024-11-18 15:08:46,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 15:08:46,478 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:46,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:46,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1270226045, now seen corresponding path program 1 times [2024-11-18 15:08:46,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:46,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875421114] [2024-11-18 15:08:46,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:46,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:46,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:46,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875421114] [2024-11-18 15:08:46,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875421114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:46,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:46,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:46,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813521443] [2024-11-18 15:08:46,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:46,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:46,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:46,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:46,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:46,858 INFO L87 Difference]: Start difference. First operand 394 states and 497 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:47,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:47,560 INFO L93 Difference]: Finished difference Result 646 states and 826 transitions. [2024-11-18 15:08:47,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:47,560 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:47,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:47,562 INFO L225 Difference]: With dead ends: 646 [2024-11-18 15:08:47,562 INFO L226 Difference]: Without dead ends: 577 [2024-11-18 15:08:47,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:47,563 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 2212 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2212 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:47,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2212 Valid, 1584 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:08:47,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-18 15:08:47,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 394. [2024-11-18 15:08:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.312169312169312) internal successors, (496), 393 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 496 transitions. [2024-11-18 15:08:47,575 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 496 transitions. Word has length 80 [2024-11-18 15:08:47,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:47,576 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 496 transitions. [2024-11-18 15:08:47,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 496 transitions. [2024-11-18 15:08:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:47,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:47,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:08:47,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-18 15:08:47,577 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:47,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:47,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1112544149, now seen corresponding path program 1 times [2024-11-18 15:08:47,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:47,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186533551] [2024-11-18 15:08:47,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:47,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:47,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:47,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186533551] [2024-11-18 15:08:47,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186533551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:47,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:47,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:47,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363749441] [2024-11-18 15:08:47,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:47,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:47,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:47,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:47,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:47,817 INFO L87 Difference]: Start difference. First operand 394 states and 496 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:48,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:48,511 INFO L93 Difference]: Finished difference Result 678 states and 871 transitions. [2024-11-18 15:08:48,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:08:48,511 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:48,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:48,514 INFO L225 Difference]: With dead ends: 678 [2024-11-18 15:08:48,514 INFO L226 Difference]: Without dead ends: 597 [2024-11-18 15:08:48,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:48,515 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 1602 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:48,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 1649 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:08:48,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-18 15:08:48,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 394. [2024-11-18 15:08:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3095238095238095) internal successors, (495), 393 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:48,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 495 transitions. [2024-11-18 15:08:48,525 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 495 transitions. Word has length 80 [2024-11-18 15:08:48,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:48,528 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 495 transitions. [2024-11-18 15:08:48,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:48,528 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 495 transitions. [2024-11-18 15:08:48,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:48,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:48,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:08:48,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-18 15:08:48,530 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)] === [2024-11-18 15:08:48,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:48,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1251491228, now seen corresponding path program 1 times [2024-11-18 15:08:48,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:48,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560141445] [2024-11-18 15:08:48,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:48,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:48,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:48,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:48,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560141445] [2024-11-18 15:08:48,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560141445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:48,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:48,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:48,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762895650] [2024-11-18 15:08:48,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:48,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:48,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:48,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:48,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:48,754 INFO L87 Difference]: Start difference. First operand 394 states and 495 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:49,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:49,327 INFO L93 Difference]: Finished difference Result 673 states and 863 transitions. [2024-11-18 15:08:49,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:08:49,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:49,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:49,329 INFO L225 Difference]: With dead ends: 673 [2024-11-18 15:08:49,329 INFO L226 Difference]: Without dead ends: 597 [2024-11-18 15:08:49,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:49,331 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 1890 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:49,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1890 Valid, 1649 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:49,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-18 15:08:49,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 394. [2024-11-18 15:08:49,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.306878306878307) internal successors, (494), 393 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 494 transitions. [2024-11-18 15:08:49,343 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 494 transitions. Word has length 80 [2024-11-18 15:08:49,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:49,343 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 494 transitions. [2024-11-18 15:08:49,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:49,343 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 494 transitions. [2024-11-18 15:08:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:49,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:49,344 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] [2024-11-18 15:08:49,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 15:08:49,345 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:49,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:49,345 INFO L85 PathProgramCache]: Analyzing trace with hash -955374417, now seen corresponding path program 1 times [2024-11-18 15:08:49,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:49,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956500235] [2024-11-18 15:08:49,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:49,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:49,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:49,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956500235] [2024-11-18 15:08:49,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956500235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:49,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:49,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:49,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319908350] [2024-11-18 15:08:49,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:49,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:49,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:49,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:49,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:49,577 INFO L87 Difference]: Start difference. First operand 394 states and 494 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:50,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:50,283 INFO L93 Difference]: Finished difference Result 643 states and 820 transitions. [2024-11-18 15:08:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:50,283 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:50,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:50,285 INFO L225 Difference]: With dead ends: 643 [2024-11-18 15:08:50,286 INFO L226 Difference]: Without dead ends: 577 [2024-11-18 15:08:50,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:50,286 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 2166 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:50,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2166 Valid, 1545 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:08:50,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-18 15:08:50,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 394. [2024-11-18 15:08:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3042328042328042) internal successors, (493), 393 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 493 transitions. [2024-11-18 15:08:50,293 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 493 transitions. Word has length 80 [2024-11-18 15:08:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:50,293 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 493 transitions. [2024-11-18 15:08:50,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:50,293 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 493 transitions. [2024-11-18 15:08:50,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:50,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:50,296 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] [2024-11-18 15:08:50,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-18 15:08:50,297 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)] === [2024-11-18 15:08:50,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:50,297 INFO L85 PathProgramCache]: Analyzing trace with hash -306680341, now seen corresponding path program 1 times [2024-11-18 15:08:50,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:50,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064163175] [2024-11-18 15:08:50,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:50,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:50,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:50,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064163175] [2024-11-18 15:08:50,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064163175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:50,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:50,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:50,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675665079] [2024-11-18 15:08:50,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:50,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:50,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:50,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:50,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:50,540 INFO L87 Difference]: Start difference. First operand 394 states and 493 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:51,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:51,152 INFO L93 Difference]: Finished difference Result 643 states and 819 transitions. [2024-11-18 15:08:51,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:08:51,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:51,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:51,154 INFO L225 Difference]: With dead ends: 643 [2024-11-18 15:08:51,154 INFO L226 Difference]: Without dead ends: 577 [2024-11-18 15:08:51,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:51,155 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 2409 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:51,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2409 Valid, 1360 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:51,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-18 15:08:51,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 394. [2024-11-18 15:08:51,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3015873015873016) internal successors, (492), 393 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 492 transitions. [2024-11-18 15:08:51,163 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 492 transitions. Word has length 80 [2024-11-18 15:08:51,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:51,163 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 492 transitions. [2024-11-18 15:08:51,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:51,163 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 492 transitions. [2024-11-18 15:08:51,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:51,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:51,164 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] [2024-11-18 15:08:51,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-18 15:08:51,165 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)] === [2024-11-18 15:08:51,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:51,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1961273491, now seen corresponding path program 1 times [2024-11-18 15:08:51,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:51,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61930208] [2024-11-18 15:08:51,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:51,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:51,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:51,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61930208] [2024-11-18 15:08:51,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61930208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:51,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:51,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:51,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147724468] [2024-11-18 15:08:51,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:51,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:51,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:51,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:51,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:51,424 INFO L87 Difference]: Start difference. First operand 394 states and 492 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:52,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:52,056 INFO L93 Difference]: Finished difference Result 641 states and 815 transitions. [2024-11-18 15:08:52,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:52,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:52,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:52,058 INFO L225 Difference]: With dead ends: 641 [2024-11-18 15:08:52,058 INFO L226 Difference]: Without dead ends: 577 [2024-11-18 15:08:52,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:52,059 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 2158 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:52,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2158 Valid, 1664 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:52,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-18 15:08:52,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 394. [2024-11-18 15:08:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.2989417989417988) internal successors, (491), 393 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 491 transitions. [2024-11-18 15:08:52,072 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 491 transitions. Word has length 80 [2024-11-18 15:08:52,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:52,072 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 491 transitions. [2024-11-18 15:08:52,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 491 transitions. [2024-11-18 15:08:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:52,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:52,073 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:08:52,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-18 15:08:52,074 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:52,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:52,074 INFO L85 PathProgramCache]: Analyzing trace with hash 601853245, now seen corresponding path program 1 times [2024-11-18 15:08:52,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:52,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119253352] [2024-11-18 15:08:52,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:52,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:52,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:52,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119253352] [2024-11-18 15:08:52,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119253352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:52,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:52,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:52,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943300695] [2024-11-18 15:08:52,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:52,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:52,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:52,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:52,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:52,341 INFO L87 Difference]: Start difference. First operand 394 states and 491 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:52,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:52,955 INFO L93 Difference]: Finished difference Result 646 states and 819 transitions. [2024-11-18 15:08:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:52,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:52,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:52,957 INFO L225 Difference]: With dead ends: 646 [2024-11-18 15:08:52,957 INFO L226 Difference]: Without dead ends: 577 [2024-11-18 15:08:52,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:52,958 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 2152 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2152 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:52,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2152 Valid, 1668 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:52,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-18 15:08:52,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 394. [2024-11-18 15:08:52,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.2962962962962963) internal successors, (490), 393 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:52,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 490 transitions. [2024-11-18 15:08:52,968 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 490 transitions. Word has length 80 [2024-11-18 15:08:52,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:52,968 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 490 transitions. [2024-11-18 15:08:52,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:52,969 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 490 transitions. [2024-11-18 15:08:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:52,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:52,969 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] [2024-11-18 15:08:52,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-18 15:08:52,970 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:52,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:52,973 INFO L85 PathProgramCache]: Analyzing trace with hash -953833721, now seen corresponding path program 1 times [2024-11-18 15:08:52,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:52,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741169564] [2024-11-18 15:08:52,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:52,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:53,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:53,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741169564] [2024-11-18 15:08:53,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741169564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:53,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:53,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-18 15:08:53,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372005662] [2024-11-18 15:08:53,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:53,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:08:53,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:53,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:08:53,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:08:53,442 INFO L87 Difference]: Start difference. First operand 394 states and 490 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 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) [2024-11-18 15:08:54,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:54,531 INFO L93 Difference]: Finished difference Result 955 states and 1265 transitions. [2024-11-18 15:08:54,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-18 15:08:54,531 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 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 [2024-11-18 15:08:54,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:54,533 INFO L225 Difference]: With dead ends: 955 [2024-11-18 15:08:54,533 INFO L226 Difference]: Without dead ends: 851 [2024-11-18 15:08:54,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-18 15:08:54,535 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 4154 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4154 SdHoareTripleChecker+Valid, 2006 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:54,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4154 Valid, 2006 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-18 15:08:54,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-11-18 15:08:54,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 398. [2024-11-18 15:08:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 382 states have (on average 1.293193717277487) internal successors, (494), 397 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 494 transitions. [2024-11-18 15:08:54,544 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 494 transitions. Word has length 80 [2024-11-18 15:08:54,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:54,544 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 494 transitions. [2024-11-18 15:08:54,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 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) [2024-11-18 15:08:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 494 transitions. [2024-11-18 15:08:54,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:54,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:54,545 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] [2024-11-18 15:08:54,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-18 15:08:54,545 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:54,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:54,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1702835234, now seen corresponding path program 1 times [2024-11-18 15:08:54,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:54,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816696954] [2024-11-18 15:08:54,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:54,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:54,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:54,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816696954] [2024-11-18 15:08:54,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816696954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:54,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:54,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:54,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368498853] [2024-11-18 15:08:54,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:54,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:54,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:54,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:54,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:54,819 INFO L87 Difference]: Start difference. First operand 398 states and 494 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:55,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:55,440 INFO L93 Difference]: Finished difference Result 586 states and 726 transitions. [2024-11-18 15:08:55,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:55,441 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:55,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:55,442 INFO L225 Difference]: With dead ends: 586 [2024-11-18 15:08:55,442 INFO L226 Difference]: Without dead ends: 581 [2024-11-18 15:08:55,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:55,443 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 2148 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:55,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 1668 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:55,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-18 15:08:55,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 398. [2024-11-18 15:08:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 382 states have (on average 1.2905759162303665) internal successors, (493), 397 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 493 transitions. [2024-11-18 15:08:55,450 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 493 transitions. Word has length 80 [2024-11-18 15:08:55,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:55,451 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 493 transitions. [2024-11-18 15:08:55,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:55,451 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 493 transitions. [2024-11-18 15:08:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:55,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:55,452 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] [2024-11-18 15:08:55,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-18 15:08:55,452 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)] === [2024-11-18 15:08:55,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:55,453 INFO L85 PathProgramCache]: Analyzing trace with hash 209361868, now seen corresponding path program 1 times [2024-11-18 15:08:55,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:55,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915308813] [2024-11-18 15:08:55,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:55,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:55,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:55,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915308813] [2024-11-18 15:08:55,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915308813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:55,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:55,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-18 15:08:55,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692507224] [2024-11-18 15:08:55,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:55,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:08:55,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:55,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:08:55,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:08:55,815 INFO L87 Difference]: Start difference. First operand 398 states and 493 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 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) [2024-11-18 15:08:56,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:56,688 INFO L93 Difference]: Finished difference Result 820 states and 1064 transitions. [2024-11-18 15:08:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-18 15:08:56,688 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 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 [2024-11-18 15:08:56,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:56,690 INFO L225 Difference]: With dead ends: 820 [2024-11-18 15:08:56,691 INFO L226 Difference]: Without dead ends: 803 [2024-11-18 15:08:56,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-18 15:08:56,691 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 3948 mSDsluCounter, 1269 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3948 SdHoareTripleChecker+Valid, 1623 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:56,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3948 Valid, 1623 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:08:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-18 15:08:56,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 402. [2024-11-18 15:08:56,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 386 states have (on average 1.2875647668393781) internal successors, (497), 401 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 497 transitions. [2024-11-18 15:08:56,699 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 497 transitions. Word has length 80 [2024-11-18 15:08:56,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:56,700 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 497 transitions. [2024-11-18 15:08:56,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 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) [2024-11-18 15:08:56,700 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 497 transitions. [2024-11-18 15:08:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:56,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:56,700 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] [2024-11-18 15:08:56,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-18 15:08:56,701 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)] === [2024-11-18 15:08:56,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:56,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1191963760, now seen corresponding path program 1 times [2024-11-18 15:08:56,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:56,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878074575] [2024-11-18 15:08:56,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:56,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:56,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:56,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878074575] [2024-11-18 15:08:56,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878074575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:56,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:56,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:56,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363490065] [2024-11-18 15:08:56,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:56,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:56,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:56,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:56,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:56,966 INFO L87 Difference]: Start difference. First operand 402 states and 497 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:57,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:57,527 INFO L93 Difference]: Finished difference Result 651 states and 822 transitions. [2024-11-18 15:08:57,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:08:57,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:57,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:57,529 INFO L225 Difference]: With dead ends: 651 [2024-11-18 15:08:57,529 INFO L226 Difference]: Without dead ends: 585 [2024-11-18 15:08:57,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:08:57,530 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 2145 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:57,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 1668 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:57,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-18 15:08:57,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 402. [2024-11-18 15:08:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 386 states have (on average 1.2849740932642486) internal successors, (496), 401 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 496 transitions. [2024-11-18 15:08:57,539 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 496 transitions. Word has length 80 [2024-11-18 15:08:57,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:57,539 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 496 transitions. [2024-11-18 15:08:57,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:57,540 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 496 transitions. [2024-11-18 15:08:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-18 15:08:57,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:57,541 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] [2024-11-18 15:08:57,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-18 15:08:57,542 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)] === [2024-11-18 15:08:57,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:57,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1836995487, now seen corresponding path program 1 times [2024-11-18 15:08:57,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:57,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092786212] [2024-11-18 15:08:57,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:57,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:57,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:57,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092786212] [2024-11-18 15:08:57,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092786212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:57,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:57,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:57,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311414708] [2024-11-18 15:08:57,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:57,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:57,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:57,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:57,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:57,763 INFO L87 Difference]: Start difference. First operand 402 states and 496 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:58,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:58,311 INFO L93 Difference]: Finished difference Result 590 states and 728 transitions. [2024-11-18 15:08:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:08:58,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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 [2024-11-18 15:08:58,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:58,313 INFO L225 Difference]: With dead ends: 590 [2024-11-18 15:08:58,313 INFO L226 Difference]: Without dead ends: 585 [2024-11-18 15:08:58,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:58,314 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 2388 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:58,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 1360 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:08:58,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-18 15:08:58,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 402. [2024-11-18 15:08:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 386 states have (on average 1.282383419689119) internal successors, (495), 401 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 495 transitions. [2024-11-18 15:08:58,320 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 495 transitions. Word has length 80 [2024-11-18 15:08:58,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:58,320 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 495 transitions. [2024-11-18 15:08:58,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 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) [2024-11-18 15:08:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 495 transitions. [2024-11-18 15:08:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-18 15:08:58,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:58,321 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] [2024-11-18 15:08:58,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-18 15:08:58,321 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:08:58,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:58,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1478263256, now seen corresponding path program 1 times [2024-11-18 15:08:58,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:58,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135801473] [2024-11-18 15:08:58,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:58,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:58,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:58,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135801473] [2024-11-18 15:08:58,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135801473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:58,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:58,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:58,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737393655] [2024-11-18 15:08:58,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:58,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:58,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:58,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:58,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:58,530 INFO L87 Difference]: Start difference. First operand 402 states and 495 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 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) [2024-11-18 15:08:59,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:59,061 INFO L93 Difference]: Finished difference Result 654 states and 822 transitions. [2024-11-18 15:08:59,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:08:59,061 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 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 [2024-11-18 15:08:59,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:59,063 INFO L225 Difference]: With dead ends: 654 [2024-11-18 15:08:59,063 INFO L226 Difference]: Without dead ends: 585 [2024-11-18 15:08:59,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:08:59,063 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 1770 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:59,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 1376 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:08:59,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-18 15:08:59,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 398. [2024-11-18 15:08:59,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 382 states have (on average 1.2827225130890052) internal successors, (490), 397 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 490 transitions. [2024-11-18 15:08:59,070 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 490 transitions. Word has length 81 [2024-11-18 15:08:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:59,070 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 490 transitions. [2024-11-18 15:08:59,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 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) [2024-11-18 15:08:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 490 transitions. [2024-11-18 15:08:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-18 15:08:59,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:59,071 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] [2024-11-18 15:08:59,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-18 15:08:59,071 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)] === [2024-11-18 15:08:59,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:59,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1829127868, now seen corresponding path program 1 times [2024-11-18 15:08:59,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:59,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877433732] [2024-11-18 15:08:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:59,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:08:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:08:59,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:08:59,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877433732] [2024-11-18 15:08:59,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877433732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:08:59,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:08:59,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:08:59,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503739996] [2024-11-18 15:08:59,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:08:59,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:08:59,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:08:59,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:08:59,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:08:59,352 INFO L87 Difference]: Start difference. First operand 398 states and 490 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 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) [2024-11-18 15:08:59,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:08:59,952 INFO L93 Difference]: Finished difference Result 709 states and 899 transitions. [2024-11-18 15:08:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:08:59,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 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 [2024-11-18 15:08:59,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:08:59,954 INFO L225 Difference]: With dead ends: 709 [2024-11-18 15:08:59,954 INFO L226 Difference]: Without dead ends: 605 [2024-11-18 15:08:59,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-18 15:08:59,955 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 1984 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:08:59,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 1850 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:08:59,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-18 15:08:59,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 394. [2024-11-18 15:08:59,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.283068783068783) internal successors, (485), 393 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:08:59,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 485 transitions. [2024-11-18 15:08:59,962 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 485 transitions. Word has length 81 [2024-11-18 15:08:59,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:08:59,962 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 485 transitions. [2024-11-18 15:08:59,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 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) [2024-11-18 15:08:59,962 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 485 transitions. [2024-11-18 15:08:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-18 15:08:59,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:08:59,963 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] [2024-11-18 15:08:59,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-18 15:08:59,963 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)] === [2024-11-18 15:08:59,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:08:59,964 INFO L85 PathProgramCache]: Analyzing trace with hash -53380691, now seen corresponding path program 1 times [2024-11-18 15:08:59,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:08:59,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590745074] [2024-11-18 15:08:59,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:08:59,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:08:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:00,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:00,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590745074] [2024-11-18 15:09:00,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590745074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:00,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:00,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:09:00,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944367146] [2024-11-18 15:09:00,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:00,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:09:00,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:00,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:09:00,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:09:00,186 INFO L87 Difference]: Start difference. First operand 394 states and 485 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 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) [2024-11-18 15:09:00,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:00,739 INFO L93 Difference]: Finished difference Result 610 states and 755 transitions. [2024-11-18 15:09:00,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:09:00,740 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 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 [2024-11-18 15:09:00,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:00,741 INFO L225 Difference]: With dead ends: 610 [2024-11-18 15:09:00,741 INFO L226 Difference]: Without dead ends: 593 [2024-11-18 15:09:00,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-18 15:09:00,742 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 2204 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2204 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:00,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2204 Valid, 1651 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:09:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-18 15:09:00,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 390. [2024-11-18 15:09:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.2834224598930482) internal successors, (480), 389 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 480 transitions. [2024-11-18 15:09:00,748 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 480 transitions. Word has length 81 [2024-11-18 15:09:00,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:00,748 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 480 transitions. [2024-11-18 15:09:00,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 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) [2024-11-18 15:09:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 480 transitions. [2024-11-18 15:09:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-18 15:09:00,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:00,750 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] [2024-11-18 15:09:00,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-18 15:09:00,750 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:00,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:00,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1125287833, now seen corresponding path program 1 times [2024-11-18 15:09:00,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:00,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790327078] [2024-11-18 15:09:00,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:00,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:01,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:01,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:01,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790327078] [2024-11-18 15:09:01,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790327078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:01,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:01,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-18 15:09:01,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285476596] [2024-11-18 15:09:01,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:01,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-18 15:09:01,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:01,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-18 15:09:01,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-18 15:09:01,325 INFO L87 Difference]: Start difference. First operand 390 states and 480 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 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) [2024-11-18 15:09:02,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:02,215 INFO L93 Difference]: Finished difference Result 972 states and 1227 transitions. [2024-11-18 15:09:02,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 15:09:02,216 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 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 [2024-11-18 15:09:02,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:02,218 INFO L225 Difference]: With dead ends: 972 [2024-11-18 15:09:02,218 INFO L226 Difference]: Without dead ends: 901 [2024-11-18 15:09:02,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-18 15:09:02,219 INFO L432 NwaCegarLoop]: 881 mSDtfsCounter, 2266 mSDsluCounter, 5785 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2266 SdHoareTripleChecker+Valid, 6666 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:02,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2266 Valid, 6666 Invalid, 1134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:09:02,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-11-18 15:09:02,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 383. [2024-11-18 15:09:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 367 states have (on average 1.2806539509536785) internal successors, (470), 382 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:02,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 470 transitions. [2024-11-18 15:09:02,227 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 470 transitions. Word has length 82 [2024-11-18 15:09:02,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:02,227 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 470 transitions. [2024-11-18 15:09:02,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 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) [2024-11-18 15:09:02,227 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 470 transitions. [2024-11-18 15:09:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-18 15:09:02,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:02,228 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] [2024-11-18 15:09:02,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-18 15:09:02,229 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:02,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:02,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1735705855, now seen corresponding path program 1 times [2024-11-18 15:09:02,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:02,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134169155] [2024-11-18 15:09:02,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:02,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:02,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:02,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134169155] [2024-11-18 15:09:02,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134169155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:02,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:02,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-18 15:09:02,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634834914] [2024-11-18 15:09:02,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:02,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:09:02,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:02,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:09:02,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:09:02,766 INFO L87 Difference]: Start difference. First operand 383 states and 470 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) 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) [2024-11-18 15:09:03,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:03,398 INFO L93 Difference]: Finished difference Result 632 states and 804 transitions. [2024-11-18 15:09:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 15:09:03,398 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) 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 [2024-11-18 15:09:03,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:03,400 INFO L225 Difference]: With dead ends: 632 [2024-11-18 15:09:03,400 INFO L226 Difference]: Without dead ends: 551 [2024-11-18 15:09:03,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-18 15:09:03,401 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 2190 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2190 SdHoareTripleChecker+Valid, 3354 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:03,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2190 Valid, 3354 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:09:03,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-18 15:09:03,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 366. [2024-11-18 15:09:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 351 states have (on average 1.2792022792022792) internal successors, (449), 365 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:03,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 449 transitions. [2024-11-18 15:09:03,408 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 449 transitions. Word has length 82 [2024-11-18 15:09:03,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:03,408 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 449 transitions. [2024-11-18 15:09:03,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) 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) [2024-11-18 15:09:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 449 transitions. [2024-11-18 15:09:03,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-18 15:09:03,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:03,409 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] [2024-11-18 15:09:03,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-18 15:09:03,410 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:03,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:03,410 INFO L85 PathProgramCache]: Analyzing trace with hash -941970822, now seen corresponding path program 1 times [2024-11-18 15:09:03,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:03,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093431206] [2024-11-18 15:09:03,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:03,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:03,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:03,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093431206] [2024-11-18 15:09:03,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093431206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:03,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:03,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-18 15:09:03,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334293544] [2024-11-18 15:09:03,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:03,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-18 15:09:03,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:03,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-18 15:09:03,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-18 15:09:03,978 INFO L87 Difference]: Start difference. First operand 366 states and 449 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 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) [2024-11-18 15:09:05,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:05,078 INFO L93 Difference]: Finished difference Result 851 states and 1057 transitions. [2024-11-18 15:09:05,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-18 15:09:05,079 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 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 [2024-11-18 15:09:05,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:05,080 INFO L225 Difference]: With dead ends: 851 [2024-11-18 15:09:05,081 INFO L226 Difference]: Without dead ends: 783 [2024-11-18 15:09:05,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-18 15:09:05,081 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 2823 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:05,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 3656 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:09:05,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2024-11-18 15:09:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 362. [2024-11-18 15:09:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 348 states have (on average 1.2758620689655173) internal successors, (444), 361 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 444 transitions. [2024-11-18 15:09:05,087 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 444 transitions. Word has length 82 [2024-11-18 15:09:05,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:05,088 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 444 transitions. [2024-11-18 15:09:05,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 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) [2024-11-18 15:09:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 444 transitions. [2024-11-18 15:09:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-18 15:09:05,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:05,089 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:05,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-18 15:09:05,089 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:05,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:05,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1572479326, now seen corresponding path program 1 times [2024-11-18 15:09:05,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:05,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141291427] [2024-11-18 15:09:05,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:05,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:05,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:05,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141291427] [2024-11-18 15:09:05,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141291427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:05,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:05,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-18 15:09:05,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530951063] [2024-11-18 15:09:05,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:05,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-18 15:09:05,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:05,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-18 15:09:05,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:09:05,563 INFO L87 Difference]: Start difference. First operand 362 states and 444 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) 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) [2024-11-18 15:09:06,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:06,209 INFO L93 Difference]: Finished difference Result 871 states and 1095 transitions. [2024-11-18 15:09:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:09:06,209 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) 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 [2024-11-18 15:09:06,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:06,211 INFO L225 Difference]: With dead ends: 871 [2024-11-18 15:09:06,211 INFO L226 Difference]: Without dead ends: 718 [2024-11-18 15:09:06,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-18 15:09:06,212 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 1580 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:06,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 2937 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:09:06,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-11-18 15:09:06,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 273. [2024-11-18 15:09:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 262 states have (on average 1.2709923664122138) internal successors, (333), 272 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 333 transitions. [2024-11-18 15:09:06,217 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 333 transitions. Word has length 82 [2024-11-18 15:09:06,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:06,217 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 333 transitions. [2024-11-18 15:09:06,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) 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) [2024-11-18 15:09:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 333 transitions. [2024-11-18 15:09:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-18 15:09:06,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:06,218 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] [2024-11-18 15:09:06,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-18 15:09:06,219 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:06,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:06,219 INFO L85 PathProgramCache]: Analyzing trace with hash 996849594, now seen corresponding path program 1 times [2024-11-18 15:09:06,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:06,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316612132] [2024-11-18 15:09:06,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:06,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:06,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:06,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316612132] [2024-11-18 15:09:06,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316612132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:06,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:06,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-18 15:09:06,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858728328] [2024-11-18 15:09:06,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:06,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:09:06,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:06,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:09:06,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:09:06,686 INFO L87 Difference]: Start difference. First operand 273 states and 333 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) 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) [2024-11-18 15:09:07,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:07,246 INFO L93 Difference]: Finished difference Result 448 states and 579 transitions. [2024-11-18 15:09:07,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 15:09:07,247 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) 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 [2024-11-18 15:09:07,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:07,248 INFO L225 Difference]: With dead ends: 448 [2024-11-18 15:09:07,248 INFO L226 Difference]: Without dead ends: 351 [2024-11-18 15:09:07,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-18 15:09:07,250 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 1394 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:07,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 2056 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:09:07,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-18 15:09:07,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 240. [2024-11-18 15:09:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 232 states have (on average 1.2629310344827587) internal successors, (293), 239 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 293 transitions. [2024-11-18 15:09:07,254 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 293 transitions. Word has length 82 [2024-11-18 15:09:07,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:07,254 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 293 transitions. [2024-11-18 15:09:07,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) 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) [2024-11-18 15:09:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 293 transitions. [2024-11-18 15:09:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-18 15:09:07,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:07,255 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] [2024-11-18 15:09:07,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-18 15:09:07,255 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:07,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:07,255 INFO L85 PathProgramCache]: Analyzing trace with hash 504555190, now seen corresponding path program 1 times [2024-11-18 15:09:07,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:07,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846653855] [2024-11-18 15:09:07,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:07,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:08,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:08,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:08,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846653855] [2024-11-18 15:09:08,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846653855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:08,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:08,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2024-11-18 15:09:08,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137847222] [2024-11-18 15:09:08,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:08,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-18 15:09:08,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:08,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-18 15:09:08,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2024-11-18 15:09:08,907 INFO L87 Difference]: Start difference. First operand 240 states and 293 transitions. Second operand has 29 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 29 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) [2024-11-18 15:09:13,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:13,069 INFO L93 Difference]: Finished difference Result 886 states and 1143 transitions. [2024-11-18 15:09:13,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-18 15:09:13,069 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 29 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 [2024-11-18 15:09:13,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:13,071 INFO L225 Difference]: With dead ends: 886 [2024-11-18 15:09:13,071 INFO L226 Difference]: Without dead ends: 818 [2024-11-18 15:09:13,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=434, Invalid=2322, Unknown=0, NotChecked=0, Total=2756 [2024-11-18 15:09:13,072 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 2371 mSDsluCounter, 9994 mSDsCounter, 0 mSdLazyCounter, 5656 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 10688 SdHoareTripleChecker+Invalid, 5672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 5656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:13,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 10688 Invalid, 5672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 5656 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-18 15:09:13,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2024-11-18 15:09:13,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 260. [2024-11-18 15:09:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 252 states have (on average 1.2698412698412698) internal successors, (320), 259 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 320 transitions. [2024-11-18 15:09:13,076 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 320 transitions. Word has length 82 [2024-11-18 15:09:13,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:13,077 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 320 transitions. [2024-11-18 15:09:13,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 29 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) [2024-11-18 15:09:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 320 transitions. [2024-11-18 15:09:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-18 15:09:13,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:13,077 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] [2024-11-18 15:09:13,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-18 15:09:13,078 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:13,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:13,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1900616581, now seen corresponding path program 1 times [2024-11-18 15:09:13,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:13,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24005734] [2024-11-18 15:09:13,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:13,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:13,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:13,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24005734] [2024-11-18 15:09:13,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24005734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:13,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:13,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-18 15:09:13,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916395405] [2024-11-18 15:09:13,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:13,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:09:13,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:13,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:09:13,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:09:13,512 INFO L87 Difference]: Start difference. First operand 260 states and 320 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) 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) [2024-11-18 15:09:13,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:13,870 INFO L93 Difference]: Finished difference Result 436 states and 567 transitions. [2024-11-18 15:09:13,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 15:09:13,870 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) 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 [2024-11-18 15:09:13,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:13,871 INFO L225 Difference]: With dead ends: 436 [2024-11-18 15:09:13,871 INFO L226 Difference]: Without dead ends: 309 [2024-11-18 15:09:13,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-18 15:09:13,872 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 1048 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:13,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 1653 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:09:13,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-18 15:09:13,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 197. [2024-11-18 15:09:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 193 states have (on average 1.2694300518134716) internal successors, (245), 196 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 245 transitions. [2024-11-18 15:09:13,876 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 245 transitions. Word has length 82 [2024-11-18 15:09:13,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:13,877 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 245 transitions. [2024-11-18 15:09:13,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) 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) [2024-11-18 15:09:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 245 transitions. [2024-11-18 15:09:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-18 15:09:13,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:13,878 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] [2024-11-18 15:09:13,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-18 15:09:13,879 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:13,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:13,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1724267320, now seen corresponding path program 1 times [2024-11-18 15:09:13,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:13,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507389266] [2024-11-18 15:09:13,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:13,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:14,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:14,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507389266] [2024-11-18 15:09:14,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507389266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:14,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:14,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-18 15:09:14,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587882311] [2024-11-18 15:09:14,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:14,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:09:14,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:09:14,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:09:14,306 INFO L87 Difference]: Start difference. First operand 197 states and 245 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 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) [2024-11-18 15:09:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:14,674 INFO L93 Difference]: Finished difference Result 350 states and 465 transitions. [2024-11-18 15:09:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 15:09:14,674 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 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 [2024-11-18 15:09:14,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:14,675 INFO L225 Difference]: With dead ends: 350 [2024-11-18 15:09:14,675 INFO L226 Difference]: Without dead ends: 266 [2024-11-18 15:09:14,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-18 15:09:14,676 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 813 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 1536 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:14,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 1536 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:09:14,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-18 15:09:14,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 161. [2024-11-18 15:09:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 159 states have (on average 1.251572327044025) internal successors, (199), 160 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 199 transitions. [2024-11-18 15:09:14,679 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 199 transitions. Word has length 83 [2024-11-18 15:09:14,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:14,679 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 199 transitions. [2024-11-18 15:09:14,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 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) [2024-11-18 15:09:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 199 transitions. [2024-11-18 15:09:14,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-18 15:09:14,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:14,680 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] [2024-11-18 15:09:14,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-18 15:09:14,680 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:14,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:14,680 INFO L85 PathProgramCache]: Analyzing trace with hash -892730834, now seen corresponding path program 1 times [2024-11-18 15:09:14,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:14,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590675951] [2024-11-18 15:09:14,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:14,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:14,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:14,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590675951] [2024-11-18 15:09:14,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590675951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:14,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:14,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:09:14,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981047331] [2024-11-18 15:09:14,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:14,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:09:14,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:14,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:09:14,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:09:14,868 INFO L87 Difference]: Start difference. First operand 161 states and 199 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2024-11-18 15:09:15,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:15,200 INFO L93 Difference]: Finished difference Result 334 states and 440 transitions. [2024-11-18 15:09:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:09:15,201 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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 [2024-11-18 15:09:15,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:15,202 INFO L225 Difference]: With dead ends: 334 [2024-11-18 15:09:15,202 INFO L226 Difference]: Without dead ends: 252 [2024-11-18 15:09:15,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:09:15,203 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 568 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:15,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 764 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:09:15,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-18 15:09:15,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 161. [2024-11-18 15:09:15,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 159 states have (on average 1.2452830188679245) internal successors, (198), 160 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 198 transitions. [2024-11-18 15:09:15,206 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 198 transitions. Word has length 83 [2024-11-18 15:09:15,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:15,206 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 198 transitions. [2024-11-18 15:09:15,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 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) [2024-11-18 15:09:15,207 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 198 transitions. [2024-11-18 15:09:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-18 15:09:15,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:15,207 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] [2024-11-18 15:09:15,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-18 15:09:15,208 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:15,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:15,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1767300528, now seen corresponding path program 1 times [2024-11-18 15:09:15,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:15,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067198991] [2024-11-18 15:09:15,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:15,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:16,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:16,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067198991] [2024-11-18 15:09:16,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067198991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:16,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:16,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2024-11-18 15:09:16,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852958917] [2024-11-18 15:09:16,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:16,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-18 15:09:16,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:16,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-18 15:09:16,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2024-11-18 15:09:16,695 INFO L87 Difference]: Start difference. First operand 161 states and 198 transitions. Second operand has 28 states, 28 states have (on average 3.0357142857142856) internal successors, (85), 28 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) [2024-11-18 15:09:19,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:19,730 INFO L93 Difference]: Finished difference Result 624 states and 834 transitions. [2024-11-18 15:09:19,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-18 15:09:19,730 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0357142857142856) internal successors, (85), 28 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 [2024-11-18 15:09:19,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:19,732 INFO L225 Difference]: With dead ends: 624 [2024-11-18 15:09:19,732 INFO L226 Difference]: Without dead ends: 618 [2024-11-18 15:09:19,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=426, Invalid=2124, Unknown=0, NotChecked=0, Total=2550 [2024-11-18 15:09:19,733 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 1417 mSDsluCounter, 8008 mSDsCounter, 0 mSdLazyCounter, 4319 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 8553 SdHoareTripleChecker+Invalid, 4331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 4319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:19,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 8553 Invalid, 4331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 4319 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-18 15:09:19,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-18 15:09:19,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 182. [2024-11-18 15:09:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 180 states have (on average 1.2444444444444445) internal successors, (224), 181 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2024-11-18 15:09:19,738 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 224 transitions. Word has length 85 [2024-11-18 15:09:19,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:19,738 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 224 transitions. [2024-11-18 15:09:19,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0357142857142856) internal successors, (85), 28 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) [2024-11-18 15:09:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 224 transitions. [2024-11-18 15:09:19,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-18 15:09:19,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:19,741 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, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:19,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-18 15:09:19,741 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:19,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:19,742 INFO L85 PathProgramCache]: Analyzing trace with hash -424299778, now seen corresponding path program 1 times [2024-11-18 15:09:19,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:19,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866611854] [2024-11-18 15:09:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:19,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:20,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:20,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866611854] [2024-11-18 15:09:20,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866611854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:20,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:20,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-18 15:09:20,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100476974] [2024-11-18 15:09:20,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:20,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:09:20,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:20,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:09:20,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:09:20,176 INFO L87 Difference]: Start difference. First operand 182 states and 224 transitions. Second operand has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:20,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:20,530 INFO L93 Difference]: Finished difference Result 259 states and 335 transitions. [2024-11-18 15:09:20,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 15:09:20,531 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-18 15:09:20,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:20,531 INFO L225 Difference]: With dead ends: 259 [2024-11-18 15:09:20,531 INFO L226 Difference]: Without dead ends: 253 [2024-11-18 15:09:20,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-18 15:09:20,532 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 392 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:20,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1660 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:09:20,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-18 15:09:20,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 155. [2024-11-18 15:09:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.2467532467532467) internal successors, (192), 154 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:20,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 192 transitions. [2024-11-18 15:09:20,534 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 192 transitions. Word has length 86 [2024-11-18 15:09:20,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:20,535 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 192 transitions. [2024-11-18 15:09:20,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:20,535 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 192 transitions. [2024-11-18 15:09:20,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-18 15:09:20,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:20,536 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:20,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-18 15:09:20,536 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)] === [2024-11-18 15:09:20,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:20,537 INFO L85 PathProgramCache]: Analyzing trace with hash 529887998, now seen corresponding path program 1 times [2024-11-18 15:09:20,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:20,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131674561] [2024-11-18 15:09:20,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:20,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:20,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:20,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131674561] [2024-11-18 15:09:20,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131674561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:20,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:20,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:09:20,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25558401] [2024-11-18 15:09:20,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:20,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:09:20,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:20,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:09:20,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:09:20,667 INFO L87 Difference]: Start difference. First operand 155 states and 192 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:20,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:20,804 INFO L93 Difference]: Finished difference Result 795 states and 1142 transitions. [2024-11-18 15:09:20,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-18 15:09:20,804 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-11-18 15:09:20,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:20,806 INFO L225 Difference]: With dead ends: 795 [2024-11-18 15:09:20,806 INFO L226 Difference]: Without dead ends: 731 [2024-11-18 15:09:20,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-18 15:09:20,807 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1483 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:20,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 1527 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:09:20,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-18 15:09:20,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 217. [2024-11-18 15:09:20,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.3148148148148149) internal successors, (284), 216 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 284 transitions. [2024-11-18 15:09:20,812 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 284 transitions. Word has length 112 [2024-11-18 15:09:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:20,812 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 284 transitions. [2024-11-18 15:09:20,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2024-11-18 15:09:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-18 15:09:20,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:20,813 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:20,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-18 15:09:20,813 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)] === [2024-11-18 15:09:20,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:20,813 INFO L85 PathProgramCache]: Analyzing trace with hash 257111127, now seen corresponding path program 1 times [2024-11-18 15:09:20,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:20,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402157947] [2024-11-18 15:09:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:20,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:20,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402157947] [2024-11-18 15:09:20,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402157947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:20,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:20,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:09:20,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622280223] [2024-11-18 15:09:20,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:20,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:09:20,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:20,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:09:20,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:09:20,945 INFO L87 Difference]: Start difference. First operand 217 states and 284 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:21,043 INFO L93 Difference]: Finished difference Result 911 states and 1312 transitions. [2024-11-18 15:09:21,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 15:09:21,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-18 15:09:21,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:21,046 INFO L225 Difference]: With dead ends: 911 [2024-11-18 15:09:21,046 INFO L226 Difference]: Without dead ends: 785 [2024-11-18 15:09:21,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:09:21,051 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 1186 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:21,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 940 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:09:21,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-11-18 15:09:21,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 341. [2024-11-18 15:09:21,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.3794117647058823) internal successors, (469), 340 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 469 transitions. [2024-11-18 15:09:21,063 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 469 transitions. Word has length 114 [2024-11-18 15:09:21,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:21,064 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 469 transitions. [2024-11-18 15:09:21,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,065 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 469 transitions. [2024-11-18 15:09:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-18 15:09:21,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:21,066 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:21,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-18 15:09:21,066 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)] === [2024-11-18 15:09:21,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:21,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1982497248, now seen corresponding path program 1 times [2024-11-18 15:09:21,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:21,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949958776] [2024-11-18 15:09:21,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:21,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:21,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:21,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949958776] [2024-11-18 15:09:21,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949958776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:21,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:21,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:09:21,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748108443] [2024-11-18 15:09:21,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:21,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:09:21,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:21,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:09:21,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:09:21,292 INFO L87 Difference]: Start difference. First operand 341 states and 469 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:21,397 INFO L93 Difference]: Finished difference Result 593 states and 842 transitions. [2024-11-18 15:09:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 15:09:21,397 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-18 15:09:21,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:21,398 INFO L225 Difference]: With dead ends: 593 [2024-11-18 15:09:21,398 INFO L226 Difference]: Without dead ends: 343 [2024-11-18 15:09:21,399 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 [2024-11-18 15:09:21,399 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 399 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:21,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 546 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:09:21,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-18 15:09:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 341. [2024-11-18 15:09:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.3735294117647059) internal successors, (467), 340 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 467 transitions. [2024-11-18 15:09:21,405 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 467 transitions. Word has length 114 [2024-11-18 15:09:21,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:21,405 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 467 transitions. [2024-11-18 15:09:21,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 467 transitions. [2024-11-18 15:09:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-18 15:09:21,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:21,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:21,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-18 15:09:21,407 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)] === [2024-11-18 15:09:21,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:21,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1242756927, now seen corresponding path program 1 times [2024-11-18 15:09:21,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:21,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328551510] [2024-11-18 15:09:21,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:21,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:21,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:21,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328551510] [2024-11-18 15:09:21,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328551510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:21,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:21,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:09:21,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962108034] [2024-11-18 15:09:21,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:21,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:09:21,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:21,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:09:21,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:09:21,479 INFO L87 Difference]: Start difference. First operand 341 states and 467 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:21,506 INFO L93 Difference]: Finished difference Result 815 states and 1163 transitions. [2024-11-18 15:09:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:09:21,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-18 15:09:21,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:21,509 INFO L225 Difference]: With dead ends: 815 [2024-11-18 15:09:21,513 INFO L226 Difference]: Without dead ends: 565 [2024-11-18 15:09:21,514 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 [2024-11-18 15:09:21,514 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 111 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:21,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 306 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:09:21,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-18 15:09:21,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 559. [2024-11-18 15:09:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 558 states have (on average 1.3942652329749103) internal successors, (778), 558 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 778 transitions. [2024-11-18 15:09:21,524 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 778 transitions. Word has length 114 [2024-11-18 15:09:21,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:21,524 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 778 transitions. [2024-11-18 15:09:21,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,525 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 778 transitions. [2024-11-18 15:09:21,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-18 15:09:21,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:21,526 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:21,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-18 15:09:21,526 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)] === [2024-11-18 15:09:21,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:21,527 INFO L85 PathProgramCache]: Analyzing trace with hash 335311913, now seen corresponding path program 1 times [2024-11-18 15:09:21,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:21,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876632374] [2024-11-18 15:09:21,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:21,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:21,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:21,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876632374] [2024-11-18 15:09:21,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876632374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:21,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:21,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:09:21,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011139630] [2024-11-18 15:09:21,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:21,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:09:21,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:21,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:09:21,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:09:21,673 INFO L87 Difference]: Start difference. First operand 559 states and 778 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:21,807 INFO L93 Difference]: Finished difference Result 1853 states and 2658 transitions. [2024-11-18 15:09:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 15:09:21,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-18 15:09:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:21,812 INFO L225 Difference]: With dead ends: 1853 [2024-11-18 15:09:21,816 INFO L226 Difference]: Without dead ends: 1618 [2024-11-18 15:09:21,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:09:21,818 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 1109 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:21,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 996 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:09:21,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2024-11-18 15:09:21,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 909. [2024-11-18 15:09:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 908 states have (on average 1.4162995594713657) internal successors, (1286), 908 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1286 transitions. [2024-11-18 15:09:21,834 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1286 transitions. Word has length 114 [2024-11-18 15:09:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:21,834 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1286 transitions. [2024-11-18 15:09:21,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1286 transitions. [2024-11-18 15:09:21,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-18 15:09:21,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:21,836 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:21,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-18 15:09:21,836 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)] === [2024-11-18 15:09:21,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:21,837 INFO L85 PathProgramCache]: Analyzing trace with hash -784107677, now seen corresponding path program 1 times [2024-11-18 15:09:21,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:21,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980782479] [2024-11-18 15:09:21,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:21,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:21,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:21,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980782479] [2024-11-18 15:09:21,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980782479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:21,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:21,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:09:21,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424120150] [2024-11-18 15:09:21,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:21,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:09:21,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:21,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:09:21,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:09:21,978 INFO L87 Difference]: Start difference. First operand 909 states and 1286 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:22,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:22,099 INFO L93 Difference]: Finished difference Result 2086 states and 2997 transitions. [2024-11-18 15:09:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 15:09:22,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-18 15:09:22,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:22,104 INFO L225 Difference]: With dead ends: 2086 [2024-11-18 15:09:22,104 INFO L226 Difference]: Without dead ends: 1851 [2024-11-18 15:09:22,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:09:22,106 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 1004 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:22,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 1061 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:09:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2024-11-18 15:09:22,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1142. [2024-11-18 15:09:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 1141 states have (on average 1.4241893076248904) internal successors, (1625), 1141 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:22,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1625 transitions. [2024-11-18 15:09:22,125 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1625 transitions. Word has length 114 [2024-11-18 15:09:22,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:22,125 INFO L471 AbstractCegarLoop]: Abstraction has 1142 states and 1625 transitions. [2024-11-18 15:09:22,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1625 transitions. [2024-11-18 15:09:22,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-18 15:09:22,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:22,127 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:22,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-18 15:09:22,127 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)] === [2024-11-18 15:09:22,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:22,127 INFO L85 PathProgramCache]: Analyzing trace with hash -651533795, now seen corresponding path program 1 times [2024-11-18 15:09:22,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:22,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311505822] [2024-11-18 15:09:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:22,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:22,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:22,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:22,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311505822] [2024-11-18 15:09:22,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311505822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:22,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:22,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:09:22,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868571437] [2024-11-18 15:09:22,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:22,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:09:22,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:22,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:09:22,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:09:22,272 INFO L87 Difference]: Start difference. First operand 1142 states and 1625 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:22,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:22,366 INFO L93 Difference]: Finished difference Result 2319 states and 3336 transitions. [2024-11-18 15:09:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 15:09:22,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-18 15:09:22,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:22,370 INFO L225 Difference]: With dead ends: 2319 [2024-11-18 15:09:22,371 INFO L226 Difference]: Without dead ends: 2084 [2024-11-18 15:09:22,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:09:22,372 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 1039 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:22,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 1107 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:09:22,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2024-11-18 15:09:22,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1375. [2024-11-18 15:09:22,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1375 states, 1374 states have (on average 1.4294032023289664) internal successors, (1964), 1374 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:22,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1375 states and 1964 transitions. [2024-11-18 15:09:22,394 INFO L78 Accepts]: Start accepts. Automaton has 1375 states and 1964 transitions. Word has length 114 [2024-11-18 15:09:22,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:22,394 INFO L471 AbstractCegarLoop]: Abstraction has 1375 states and 1964 transitions. [2024-11-18 15:09:22,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:22,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1964 transitions. [2024-11-18 15:09:22,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-18 15:09:22,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:22,396 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:22,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-18 15:09:22,396 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)] === [2024-11-18 15:09:22,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:22,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1268705059, now seen corresponding path program 1 times [2024-11-18 15:09:22,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:22,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190210366] [2024-11-18 15:09:22,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:22,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:22,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:22,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190210366] [2024-11-18 15:09:22,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190210366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:22,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:22,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:09:22,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348016410] [2024-11-18 15:09:22,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:22,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:09:22,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:22,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:09:22,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:09:22,513 INFO L87 Difference]: Start difference. First operand 1375 states and 1964 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) [2024-11-18 15:09:22,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:22,538 INFO L93 Difference]: Finished difference Result 3855 states and 5544 transitions. [2024-11-18 15:09:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:09:22,539 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 [2024-11-18 15:09:22,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:22,543 INFO L225 Difference]: With dead ends: 3855 [2024-11-18 15:09:22,543 INFO L226 Difference]: Without dead ends: 2571 [2024-11-18 15:09:22,545 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 [2024-11-18 15:09:22,546 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 89 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:22,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 407 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:09:22,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2024-11-18 15:09:22,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2481. [2024-11-18 15:09:22,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2481 states, 2480 states have (on average 1.429032258064516) internal successors, (3544), 2480 states have internal predecessors, (3544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 3544 transitions. [2024-11-18 15:09:22,599 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 3544 transitions. Word has length 115 [2024-11-18 15:09:22,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:22,600 INFO L471 AbstractCegarLoop]: Abstraction has 2481 states and 3544 transitions. [2024-11-18 15:09:22,600 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) [2024-11-18 15:09:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 3544 transitions. [2024-11-18 15:09:22,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-18 15:09:22,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:22,602 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] [2024-11-18 15:09:22,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-18 15:09:22,602 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)] === [2024-11-18 15:09:22,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:22,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1444283991, now seen corresponding path program 1 times [2024-11-18 15:09:22,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:22,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036273719] [2024-11-18 15:09:22,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:22,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:22,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:22,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036273719] [2024-11-18 15:09:22,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036273719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:22,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:22,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:09:22,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522526709] [2024-11-18 15:09:22,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:22,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:09:22,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:22,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:09:22,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:09:22,716 INFO L87 Difference]: Start difference. First operand 2481 states and 3544 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) [2024-11-18 15:09:22,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:22,749 INFO L93 Difference]: Finished difference Result 7085 states and 10130 transitions. [2024-11-18 15:09:22,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:09:22,749 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 [2024-11-18 15:09:22,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:22,757 INFO L225 Difference]: With dead ends: 7085 [2024-11-18 15:09:22,757 INFO L226 Difference]: Without dead ends: 4695 [2024-11-18 15:09:22,762 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 [2024-11-18 15:09:22,763 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 82 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:22,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 407 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:09:22,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2024-11-18 15:09:22,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4517. [2024-11-18 15:09:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 4516 states have (on average 1.421169176262179) internal successors, (6418), 4516 states have internal predecessors, (6418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 6418 transitions. [2024-11-18 15:09:22,820 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 6418 transitions. Word has length 116 [2024-11-18 15:09:22,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:22,821 INFO L471 AbstractCegarLoop]: Abstraction has 4517 states and 6418 transitions. [2024-11-18 15:09:22,821 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) [2024-11-18 15:09:22,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 6418 transitions. [2024-11-18 15:09:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-18 15:09:22,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:22,822 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] [2024-11-18 15:09:22,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-18 15:09:22,823 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)] === [2024-11-18 15:09:22,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:22,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1913447474, now seen corresponding path program 1 times [2024-11-18 15:09:22,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:22,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274637116] [2024-11-18 15:09:22,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:22,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:22,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:22,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274637116] [2024-11-18 15:09:22,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274637116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:22,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:22,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:09:22,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424995474] [2024-11-18 15:09:22,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:22,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:09:22,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:22,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:09:22,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:09:22,931 INFO L87 Difference]: Start difference. First operand 4517 states and 6418 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) [2024-11-18 15:09:22,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:22,975 INFO L93 Difference]: Finished difference Result 13017 states and 18444 transitions. [2024-11-18 15:09:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:09:22,976 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 [2024-11-18 15:09:22,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:22,991 INFO L225 Difference]: With dead ends: 13017 [2024-11-18 15:09:22,992 INFO L226 Difference]: Without dead ends: 8591 [2024-11-18 15:09:23,001 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 [2024-11-18 15:09:23,001 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 75 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:23,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 407 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:09:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8591 states. [2024-11-18 15:09:23,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8591 to 8237. [2024-11-18 15:09:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8237 states, 8236 states have (on average 1.407722195240408) internal successors, (11594), 8236 states have internal predecessors, (11594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:23,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8237 states to 8237 states and 11594 transitions. [2024-11-18 15:09:23,110 INFO L78 Accepts]: Start accepts. Automaton has 8237 states and 11594 transitions. Word has length 117 [2024-11-18 15:09:23,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:23,111 INFO L471 AbstractCegarLoop]: Abstraction has 8237 states and 11594 transitions. [2024-11-18 15:09:23,111 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) [2024-11-18 15:09:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 8237 states and 11594 transitions. [2024-11-18 15:09:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-18 15:09:23,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:23,112 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:23,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-18 15:09:23,112 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)] === [2024-11-18 15:09:23,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:23,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1786344024, now seen corresponding path program 1 times [2024-11-18 15:09:23,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:23,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416642950] [2024-11-18 15:09:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:23,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:23,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416642950] [2024-11-18 15:09:23,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416642950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:23,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:23,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:09:23,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152219871] [2024-11-18 15:09:23,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:23,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:09:23,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:23,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:09:23,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:09:23,251 INFO L87 Difference]: Start difference. First operand 8237 states and 11594 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) [2024-11-18 15:09:23,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:23,314 INFO L93 Difference]: Finished difference Result 23825 states and 33356 transitions. [2024-11-18 15:09:23,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:09:23,315 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 [2024-11-18 15:09:23,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:23,343 INFO L225 Difference]: With dead ends: 23825 [2024-11-18 15:09:23,343 INFO L226 Difference]: Without dead ends: 15679 [2024-11-18 15:09:23,357 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 [2024-11-18 15:09:23,358 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 65 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:23,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 407 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:09:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15679 states. [2024-11-18 15:09:23,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15679 to 14973. [2024-11-18 15:09:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14973 states, 14972 states have (on average 1.389393534597916) internal successors, (20802), 14972 states have internal predecessors, (20802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14973 states to 14973 states and 20802 transitions. [2024-11-18 15:09:23,558 INFO L78 Accepts]: Start accepts. Automaton has 14973 states and 20802 transitions. Word has length 118 [2024-11-18 15:09:23,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:23,558 INFO L471 AbstractCegarLoop]: Abstraction has 14973 states and 20802 transitions. [2024-11-18 15:09:23,558 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) [2024-11-18 15:09:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 14973 states and 20802 transitions. [2024-11-18 15:09:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-18 15:09:23,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:23,559 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] [2024-11-18 15:09:23,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-18 15:09:23,560 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)] === [2024-11-18 15:09:23,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:23,560 INFO L85 PathProgramCache]: Analyzing trace with hash 880608737, now seen corresponding path program 1 times [2024-11-18 15:09:23,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:23,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68243521] [2024-11-18 15:09:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:23,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:23,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:23,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68243521] [2024-11-18 15:09:23,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68243521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:23,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:23,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:09:23,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498282068] [2024-11-18 15:09:23,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:23,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:09:23,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:23,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:09:23,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:09:23,873 INFO L87 Difference]: Start difference. First operand 14973 states and 20802 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 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) [2024-11-18 15:09:23,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:23,931 INFO L93 Difference]: Finished difference Result 15455 states and 21443 transitions. [2024-11-18 15:09:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:09:23,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 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 [2024-11-18 15:09:23,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:23,958 INFO L225 Difference]: With dead ends: 15455 [2024-11-18 15:09:23,958 INFO L226 Difference]: Without dead ends: 15453 [2024-11-18 15:09:23,965 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 [2024-11-18 15:09:23,966 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:23,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 929 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:09:23,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15453 states. [2024-11-18 15:09:24,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15453 to 15453. [2024-11-18 15:09:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15453 states, 15452 states have (on average 1.3710846492363449) internal successors, (21186), 15452 states have internal predecessors, (21186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15453 states to 15453 states and 21186 transitions. [2024-11-18 15:09:24,164 INFO L78 Accepts]: Start accepts. Automaton has 15453 states and 21186 transitions. Word has length 119 [2024-11-18 15:09:24,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:24,164 INFO L471 AbstractCegarLoop]: Abstraction has 15453 states and 21186 transitions. [2024-11-18 15:09:24,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 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) [2024-11-18 15:09:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 15453 states and 21186 transitions. [2024-11-18 15:09:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-18 15:09:24,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:24,165 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] [2024-11-18 15:09:24,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-18 15:09:24,166 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)] === [2024-11-18 15:09:24,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:24,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1221320670, now seen corresponding path program 1 times [2024-11-18 15:09:24,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:24,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348089191] [2024-11-18 15:09:24,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:24,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:24,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:24,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:24,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348089191] [2024-11-18 15:09:24,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348089191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:24,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:24,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:09:24,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795574745] [2024-11-18 15:09:24,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:24,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:09:24,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:24,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:09:24,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:09:24,315 INFO L87 Difference]: Start difference. First operand 15453 states and 21186 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 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) [2024-11-18 15:09:24,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:24,593 INFO L93 Difference]: Finished difference Result 29465 states and 40552 transitions. [2024-11-18 15:09:24,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 15:09:24,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 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 [2024-11-18 15:09:24,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:24,636 INFO L225 Difference]: With dead ends: 29465 [2024-11-18 15:09:24,636 INFO L226 Difference]: Without dead ends: 26663 [2024-11-18 15:09:24,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:09:24,647 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 1177 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:24,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 1112 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:09:24,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26663 states. [2024-11-18 15:09:24,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26663 to 18253. [2024-11-18 15:09:24,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18253 states, 18252 states have (on average 1.3711374095989481) internal successors, (25026), 18252 states have internal predecessors, (25026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18253 states to 18253 states and 25026 transitions. [2024-11-18 15:09:24,891 INFO L78 Accepts]: Start accepts. Automaton has 18253 states and 25026 transitions. Word has length 119 [2024-11-18 15:09:24,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:24,892 INFO L471 AbstractCegarLoop]: Abstraction has 18253 states and 25026 transitions. [2024-11-18 15:09:24,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 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) [2024-11-18 15:09:24,892 INFO L276 IsEmpty]: Start isEmpty. Operand 18253 states and 25026 transitions. [2024-11-18 15:09:24,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-18 15:09:24,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:24,893 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] [2024-11-18 15:09:24,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-18 15:09:24,893 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:24,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:24,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1777695494, now seen corresponding path program 1 times [2024-11-18 15:09:24,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:24,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530156007] [2024-11-18 15:09:24,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:24,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:25,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:25,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530156007] [2024-11-18 15:09:25,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530156007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:25,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:25,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:09:25,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254648926] [2024-11-18 15:09:25,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:25,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:09:25,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:25,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:09:25,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:09:25,003 INFO L87 Difference]: Start difference. First operand 18253 states and 25026 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) [2024-11-18 15:09:25,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:25,200 INFO L93 Difference]: Finished difference Result 47297 states and 64676 transitions. [2024-11-18 15:09:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:09:25,200 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 [2024-11-18 15:09:25,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:25,257 INFO L225 Difference]: With dead ends: 47297 [2024-11-18 15:09:25,258 INFO L226 Difference]: Without dead ends: 29135 [2024-11-18 15:09:25,281 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 [2024-11-18 15:09:25,282 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 93 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:25,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 410 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:09:25,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29135 states. [2024-11-18 15:09:25,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29135 to 27469. [2024-11-18 15:09:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27469 states, 27468 states have (on average 1.356123489151012) internal successors, (37250), 27468 states have internal predecessors, (37250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27469 states to 27469 states and 37250 transitions. [2024-11-18 15:09:25,757 INFO L78 Accepts]: Start accepts. Automaton has 27469 states and 37250 transitions. Word has length 120 [2024-11-18 15:09:25,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:25,758 INFO L471 AbstractCegarLoop]: Abstraction has 27469 states and 37250 transitions. [2024-11-18 15:09:25,758 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) [2024-11-18 15:09:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 27469 states and 37250 transitions. [2024-11-18 15:09:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-18 15:09:25,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:25,764 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:25,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-18 15:09:25,765 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:25,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:25,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1132154545, now seen corresponding path program 1 times [2024-11-18 15:09:25,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:25,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23813759] [2024-11-18 15:09:25,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:25,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:25,900 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:25,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:25,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23813759] [2024-11-18 15:09:25,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23813759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:09:25,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:09:25,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:09:25,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841184807] [2024-11-18 15:09:25,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:09:25,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:09:25,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:09:25,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:09:25,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:09:25,902 INFO L87 Difference]: Start difference. First operand 27469 states and 37250 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:26,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:09:26,043 INFO L93 Difference]: Finished difference Result 54849 states and 74404 transitions. [2024-11-18 15:09:26,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:09:26,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-11-18 15:09:26,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:09:26,083 INFO L225 Difference]: With dead ends: 54849 [2024-11-18 15:09:26,083 INFO L226 Difference]: Without dead ends: 27471 [2024-11-18 15:09:26,117 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 [2024-11-18 15:09:26,118 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 82 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:09:26,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 380 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:09:26,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27471 states. [2024-11-18 15:09:26,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27471 to 27469. [2024-11-18 15:09:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27469 states, 27468 states have (on average 1.3409785932721712) internal successors, (36834), 27468 states have internal predecessors, (36834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27469 states to 27469 states and 36834 transitions. [2024-11-18 15:09:26,657 INFO L78 Accepts]: Start accepts. Automaton has 27469 states and 36834 transitions. Word has length 150 [2024-11-18 15:09:26,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:09:26,658 INFO L471 AbstractCegarLoop]: Abstraction has 27469 states and 36834 transitions. [2024-11-18 15:09:26,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:09:26,658 INFO L276 IsEmpty]: Start isEmpty. Operand 27469 states and 36834 transitions. [2024-11-18 15:09:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-18 15:09:26,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:09:26,662 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:09:26,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-18 15:09:26,664 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-18 15:09:26,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:09:26,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1845946094, now seen corresponding path program 1 times [2024-11-18 15:09:26,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:09:26,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400910867] [2024-11-18 15:09:26,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:26,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:09:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:27,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:09:27,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400910867] [2024-11-18 15:09:27,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400910867] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 15:09:27,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527520068] [2024-11-18 15:09:27,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:09:27,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 15:09:27,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 15:09:27,124 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) [2024-11-18 15:09:27,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 15:09:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:09:27,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-18 15:09:27,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 15:09:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:09:28,462 INFO L311 TraceCheckSpWp]: Computing backward predicates...