./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7dc718442bb91da0bdb0fa6a159b603baccf5b9195c06341082ea90462d0b755 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 20:21:56,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 20:21:56,634 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 20:21:56,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 20:21:56,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 20:21:56,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 20:21:56,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 20:21:56,661 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 20:21:56,661 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 20:21:56,662 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 20:21:56,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 20:21:56,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 20:21:56,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 20:21:56,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 20:21:56,667 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 20:21:56,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 20:21:56,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 20:21:56,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 20:21:56,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 20:21:56,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 20:21:56,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 20:21:56,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 20:21:56,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 20:21:56,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 20:21:56,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 20:21:56,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 20:21:56,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 20:21:56,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 20:21:56,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 20:21:56,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 20:21:56,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 20:21:56,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 20:21:56,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:21:56,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 20:21:56,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 20:21:56,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 20:21:56,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 20:21:56,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 20:21:56,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 20:21:56,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 20:21:56,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 20:21:56,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 20:21:56,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dc718442bb91da0bdb0fa6a159b603baccf5b9195c06341082ea90462d0b755 [2024-10-12 20:21:56,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 20:21:56,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 20:21:56,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 20:21:56,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 20:21:56,896 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 20:21:56,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-12 20:21:58,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 20:21:58,557 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 20:21:58,559 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-12 20:21:58,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cacf24d4/655f38e236764e008582f245f6334c90/FLAG37cc7489b [2024-10-12 20:21:58,609 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cacf24d4/655f38e236764e008582f245f6334c90 [2024-10-12 20:21:58,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 20:21:58,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 20:21:58,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 20:21:58,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 20:21:58,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 20:21:58,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:21:58" (1/1) ... [2024-10-12 20:21:58,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1670511b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:21:58, skipping insertion in model container [2024-10-12 20:21:58,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:21:58" (1/1) ... [2024-10-12 20:21:58,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 20:21:59,172 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26861,26874] [2024-10-12 20:21:59,210 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33212,33225] [2024-10-12 20:21:59,284 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57844,57857] [2024-10-12 20:21:59,316 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65899,65912] [2024-10-12 20:21:59,333 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71726,71739] [2024-10-12 20:21:59,357 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82469,82482] [2024-10-12 20:21:59,369 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90414,90427] [2024-10-12 20:21:59,402 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97642,97655] [2024-10-12 20:21:59,499 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132349,132362] [2024-10-12 20:21:59,504 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[135477,135490] [2024-10-12 20:21:59,514 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[143490,143503] [2024-10-12 20:21:59,522 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[149294,149307] [2024-10-12 20:21:59,549 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[172040,172053] [2024-10-12 20:21:59,585 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199876,199889] [2024-10-12 20:21:59,620 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226429,226442] [2024-10-12 20:21:59,651 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[253730,253743] [2024-10-12 20:21:59,685 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[284837,284850] [2024-10-12 20:21:59,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:21:59,838 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 20:21:59,898 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26861,26874] [2024-10-12 20:21:59,906 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33212,33225] [2024-10-12 20:21:59,961 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57844,57857] [2024-10-12 20:21:59,970 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65899,65912] [2024-10-12 20:21:59,977 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71726,71739] [2024-10-12 20:21:59,988 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82469,82482] [2024-10-12 20:21:59,996 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90414,90427] [2024-10-12 20:22:00,004 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97642,97655] [2024-10-12 20:22:00,046 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132349,132362] [2024-10-12 20:22:00,050 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[135477,135490] [2024-10-12 20:22:00,059 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[143490,143503] [2024-10-12 20:22:00,065 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[149294,149307] [2024-10-12 20:22:00,086 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[172040,172053] [2024-10-12 20:22:00,112 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199876,199889] [2024-10-12 20:22:00,137 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226429,226442] [2024-10-12 20:22:00,163 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[253730,253743] [2024-10-12 20:22:00,192 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[284837,284850] [2024-10-12 20:22:00,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:22:00,355 INFO L204 MainTranslator]: Completed translation [2024-10-12 20:22:00,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00 WrapperNode [2024-10-12 20:22:00,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 20:22:00,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 20:22:00,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 20:22:00,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 20:22:00,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:00,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:00,691 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18003 [2024-10-12 20:22:00,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 20:22:00,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 20:22:00,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 20:22:00,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 20:22:00,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:00,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:00,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:00,867 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-12 20:22:00,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:00,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:00,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:01,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:01,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:01,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:01,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 20:22:01,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 20:22:01,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 20:22:01,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 20:22:01,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (1/1) ... [2024-10-12 20:22:01,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:22:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:22:01,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 20:22:01,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 20:22:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 20:22:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 20:22:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 20:22:01,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 20:22:01,473 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 20:22:01,474 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 20:22:07,087 INFO L? ?]: Removed 3204 outVars from TransFormulas that were not future-live. [2024-10-12 20:22:07,087 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 20:22:07,254 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 20:22:07,255 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-12 20:22:07,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:22:07 BoogieIcfgContainer [2024-10-12 20:22:07,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 20:22:07,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 20:22:07,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 20:22:07,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 20:22:07,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:21:58" (1/3) ... [2024-10-12 20:22:07,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702ceee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:22:07, skipping insertion in model container [2024-10-12 20:22:07,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:00" (2/3) ... [2024-10-12 20:22:07,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702ceee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:22:07, skipping insertion in model container [2024-10-12 20:22:07,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:22:07" (3/3) ... [2024-10-12 20:22:07,262 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-12 20:22:07,276 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 20:22:07,276 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-10-12 20:22:07,382 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 20:22:07,388 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;@86fd254, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 20:22:07,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-10-12 20:22:07,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 3530 states, 3512 states have (on average 1.826879271070615) internal successors, (6416), 3529 states have internal predecessors, (6416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-12 20:22:07,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:07,441 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:07,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:07,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:07,448 INFO L85 PathProgramCache]: Analyzing trace with hash 600254357, now seen corresponding path program 1 times [2024-10-12 20:22:07,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:07,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938940329] [2024-10-12 20:22:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:07,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:08,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:08,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938940329] [2024-10-12 20:22:08,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938940329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:08,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:08,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:22:08,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957931045] [2024-10-12 20:22:08,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:08,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:22:08,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:08,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:22:08,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:22:08,073 INFO L87 Difference]: Start difference. First operand has 3530 states, 3512 states have (on average 1.826879271070615) internal successors, (6416), 3529 states have internal predecessors, (6416), 0 states have call successors, (0), 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 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:11,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:11,403 INFO L93 Difference]: Finished difference Result 6644 states and 11839 transitions. [2024-10-12 20:22:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:22:11,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-12 20:22:11,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:11,432 INFO L225 Difference]: With dead ends: 6644 [2024-10-12 20:22:11,433 INFO L226 Difference]: Without dead ends: 4228 [2024-10-12 20:22:11,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:22:11,444 INFO L432 NwaCegarLoop]: 2770 mSDtfsCounter, 19750 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19750 SdHoareTripleChecker+Valid, 3938 SdHoareTripleChecker+Invalid, 3745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:11,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19750 Valid, 3938 Invalid, 3745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-12 20:22:11,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2024-10-12 20:22:11,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 4204. [2024-10-12 20:22:11,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4204 states, 4187 states have (on average 1.3386673035586338) internal successors, (5605), 4203 states have internal predecessors, (5605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4204 states to 4204 states and 5605 transitions. [2024-10-12 20:22:11,599 INFO L78 Accepts]: Start accepts. Automaton has 4204 states and 5605 transitions. Word has length 63 [2024-10-12 20:22:11,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:11,599 INFO L471 AbstractCegarLoop]: Abstraction has 4204 states and 5605 transitions. [2024-10-12 20:22:11,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:11,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4204 states and 5605 transitions. [2024-10-12 20:22:11,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-12 20:22:11,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:11,607 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] [2024-10-12 20:22:11,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 20:22:11,608 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:11,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1279054806, now seen corresponding path program 1 times [2024-10-12 20:22:11,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:11,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712566538] [2024-10-12 20:22:11,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:11,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:11,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:11,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712566538] [2024-10-12 20:22:11,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712566538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:11,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:11,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:22:11,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430489964] [2024-10-12 20:22:11,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:11,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:22:11,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:11,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:22:11,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:22:11,815 INFO L87 Difference]: Start difference. First operand 4204 states and 5605 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:13,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:13,586 INFO L93 Difference]: Finished difference Result 7815 states and 10451 transitions. [2024-10-12 20:22:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:22:13,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-10-12 20:22:13,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:13,600 INFO L225 Difference]: With dead ends: 7815 [2024-10-12 20:22:13,600 INFO L226 Difference]: Without dead ends: 4780 [2024-10-12 20:22:13,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:22:13,604 INFO L432 NwaCegarLoop]: 1518 mSDtfsCounter, 11477 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11477 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:13,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11477 Valid, 2075 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-12 20:22:13,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4780 states. [2024-10-12 20:22:13,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4780 to 4760. [2024-10-12 20:22:13,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4760 states, 4743 states have (on average 1.3506219692177945) internal successors, (6406), 4759 states have internal predecessors, (6406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4760 states to 4760 states and 6406 transitions. [2024-10-12 20:22:13,679 INFO L78 Accepts]: Start accepts. Automaton has 4760 states and 6406 transitions. Word has length 64 [2024-10-12 20:22:13,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:13,679 INFO L471 AbstractCegarLoop]: Abstraction has 4760 states and 6406 transitions. [2024-10-12 20:22:13,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:13,679 INFO L276 IsEmpty]: Start isEmpty. Operand 4760 states and 6406 transitions. [2024-10-12 20:22:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-12 20:22:13,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:13,687 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] [2024-10-12 20:22:13,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 20:22:13,688 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:13,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:13,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2141976619, now seen corresponding path program 1 times [2024-10-12 20:22:13,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:13,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014763681] [2024-10-12 20:22:13,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:13,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:13,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:13,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014763681] [2024-10-12 20:22:13,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014763681] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:13,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:13,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:22:13,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114158670] [2024-10-12 20:22:13,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:13,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:22:13,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:13,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:22:13,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:22:13,867 INFO L87 Difference]: Start difference. First operand 4760 states and 6406 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:15,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:15,268 INFO L93 Difference]: Finished difference Result 9742 states and 13156 transitions. [2024-10-12 20:22:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:22:15,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-10-12 20:22:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:15,286 INFO L225 Difference]: With dead ends: 9742 [2024-10-12 20:22:15,286 INFO L226 Difference]: Without dead ends: 6635 [2024-10-12 20:22:15,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:22:15,293 INFO L432 NwaCegarLoop]: 1491 mSDtfsCounter, 10937 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10937 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:15,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10937 Valid, 2130 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 20:22:15,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6635 states. [2024-10-12 20:22:15,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6635 to 6608. [2024-10-12 20:22:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6608 states, 6591 states have (on average 1.3577605826126535) internal successors, (8949), 6607 states have internal predecessors, (8949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:15,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6608 states to 6608 states and 8949 transitions. [2024-10-12 20:22:15,398 INFO L78 Accepts]: Start accepts. Automaton has 6608 states and 8949 transitions. Word has length 64 [2024-10-12 20:22:15,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:15,399 INFO L471 AbstractCegarLoop]: Abstraction has 6608 states and 8949 transitions. [2024-10-12 20:22:15,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 6608 states and 8949 transitions. [2024-10-12 20:22:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-12 20:22:15,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:15,407 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] [2024-10-12 20:22:15,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 20:22:15,407 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:15,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:15,408 INFO L85 PathProgramCache]: Analyzing trace with hash 767039615, now seen corresponding path program 1 times [2024-10-12 20:22:15,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:15,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716876604] [2024-10-12 20:22:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:15,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:15,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:15,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716876604] [2024-10-12 20:22:15,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716876604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:15,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:15,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:22:15,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064418499] [2024-10-12 20:22:15,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:15,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:22:15,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:15,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:22:15,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:22:15,528 INFO L87 Difference]: Start difference. First operand 6608 states and 8949 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:16,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:16,598 INFO L93 Difference]: Finished difference Result 12908 states and 17662 transitions. [2024-10-12 20:22:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:22:16,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-12 20:22:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:16,620 INFO L225 Difference]: With dead ends: 12908 [2024-10-12 20:22:16,620 INFO L226 Difference]: Without dead ends: 8514 [2024-10-12 20:22:16,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:22:16,627 INFO L432 NwaCegarLoop]: 1362 mSDtfsCounter, 9341 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9341 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:16,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9341 Valid, 1839 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:22:16,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8514 states. [2024-10-12 20:22:16,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8514 to 8479. [2024-10-12 20:22:16,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8479 states, 8462 states have (on average 1.3737887024344126) internal successors, (11625), 8478 states have internal predecessors, (11625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:16,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8479 states to 8479 states and 11625 transitions. [2024-10-12 20:22:16,862 INFO L78 Accepts]: Start accepts. Automaton has 8479 states and 11625 transitions. Word has length 65 [2024-10-12 20:22:16,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:16,863 INFO L471 AbstractCegarLoop]: Abstraction has 8479 states and 11625 transitions. [2024-10-12 20:22:16,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:16,863 INFO L276 IsEmpty]: Start isEmpty. Operand 8479 states and 11625 transitions. [2024-10-12 20:22:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-12 20:22:16,868 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:16,869 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] [2024-10-12 20:22:16,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 20:22:16,869 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:16,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:16,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1941175905, now seen corresponding path program 1 times [2024-10-12 20:22:16,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:16,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753413725] [2024-10-12 20:22:16,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:16,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:17,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:17,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753413725] [2024-10-12 20:22:17,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753413725] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:17,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:17,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:17,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257999381] [2024-10-12 20:22:17,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:17,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:17,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:17,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:17,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:17,248 INFO L87 Difference]: Start difference. First operand 8479 states and 11625 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:20,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:20,264 INFO L93 Difference]: Finished difference Result 14783 states and 20613 transitions. [2024-10-12 20:22:20,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:22:20,265 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-12 20:22:20,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:20,290 INFO L225 Difference]: With dead ends: 14783 [2024-10-12 20:22:20,290 INFO L226 Difference]: Without dead ends: 13424 [2024-10-12 20:22:20,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:22:20,297 INFO L432 NwaCegarLoop]: 1422 mSDtfsCounter, 5623 mSDsluCounter, 5296 mSDsCounter, 0 mSdLazyCounter, 7502 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5623 SdHoareTripleChecker+Valid, 6718 SdHoareTripleChecker+Invalid, 7607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 7502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:20,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5623 Valid, 6718 Invalid, 7607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 7502 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-12 20:22:20,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13424 states. [2024-10-12 20:22:20,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13424 to 8422. [2024-10-12 20:22:20,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8422 states, 8405 states have (on average 1.3733491969066032) internal successors, (11543), 8421 states have internal predecessors, (11543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8422 states to 8422 states and 11543 transitions. [2024-10-12 20:22:20,442 INFO L78 Accepts]: Start accepts. Automaton has 8422 states and 11543 transitions. Word has length 65 [2024-10-12 20:22:20,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:20,444 INFO L471 AbstractCegarLoop]: Abstraction has 8422 states and 11543 transitions. [2024-10-12 20:22:20,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 8422 states and 11543 transitions. [2024-10-12 20:22:20,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-12 20:22:20,450 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:20,451 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] [2024-10-12 20:22:20,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 20:22:20,451 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:20,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:20,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1194049603, now seen corresponding path program 1 times [2024-10-12 20:22:20,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:20,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502356799] [2024-10-12 20:22:20,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:20,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:20,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:20,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502356799] [2024-10-12 20:22:20,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502356799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:20,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:20,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 20:22:20,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978313551] [2024-10-12 20:22:20,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:20,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 20:22:20,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:20,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 20:22:20,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:22:20,771 INFO L87 Difference]: Start difference. First operand 8422 states and 11543 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:22,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:22,484 INFO L93 Difference]: Finished difference Result 11404 states and 15882 transitions. [2024-10-12 20:22:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 20:22:22,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-12 20:22:22,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:22,500 INFO L225 Difference]: With dead ends: 11404 [2024-10-12 20:22:22,500 INFO L226 Difference]: Without dead ends: 9939 [2024-10-12 20:22:22,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-12 20:22:22,506 INFO L432 NwaCegarLoop]: 1346 mSDtfsCounter, 9755 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 4317 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9755 SdHoareTripleChecker+Valid, 4642 SdHoareTripleChecker+Invalid, 4330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:22,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9755 Valid, 4642 Invalid, 4330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4317 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-12 20:22:22,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9939 states. [2024-10-12 20:22:22,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9939 to 8271. [2024-10-12 20:22:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8271 states, 8254 states have (on average 1.3727889508117277) internal successors, (11331), 8270 states have internal predecessors, (11331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:22,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8271 states to 8271 states and 11331 transitions. [2024-10-12 20:22:22,616 INFO L78 Accepts]: Start accepts. Automaton has 8271 states and 11331 transitions. Word has length 65 [2024-10-12 20:22:22,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:22,617 INFO L471 AbstractCegarLoop]: Abstraction has 8271 states and 11331 transitions. [2024-10-12 20:22:22,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:22,617 INFO L276 IsEmpty]: Start isEmpty. Operand 8271 states and 11331 transitions. [2024-10-12 20:22:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-12 20:22:22,622 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:22,623 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] [2024-10-12 20:22:22,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 20:22:22,623 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:22,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:22,624 INFO L85 PathProgramCache]: Analyzing trace with hash -780640952, now seen corresponding path program 1 times [2024-10-12 20:22:22,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:22,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443692126] [2024-10-12 20:22:22,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:22,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:22,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:22,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443692126] [2024-10-12 20:22:22,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443692126] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:22,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:22,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:22,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293502277] [2024-10-12 20:22:22,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:22,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:22,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:22,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:22,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:22,955 INFO L87 Difference]: Start difference. First operand 8271 states and 11331 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:25,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:25,675 INFO L93 Difference]: Finished difference Result 11832 states and 16319 transitions. [2024-10-12 20:22:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:22:25,676 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-10-12 20:22:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:25,695 INFO L225 Difference]: With dead ends: 11832 [2024-10-12 20:22:25,695 INFO L226 Difference]: Without dead ends: 11824 [2024-10-12 20:22:25,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:22:25,701 INFO L432 NwaCegarLoop]: 1454 mSDtfsCounter, 8138 mSDsluCounter, 5637 mSDsCounter, 0 mSdLazyCounter, 6925 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8138 SdHoareTripleChecker+Valid, 7091 SdHoareTripleChecker+Invalid, 6980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 6925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:25,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8138 Valid, 7091 Invalid, 6980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 6925 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-12 20:22:25,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11824 states. [2024-10-12 20:22:25,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11824 to 8271. [2024-10-12 20:22:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8271 states, 8254 states have (on average 1.3726677974315484) internal successors, (11330), 8270 states have internal predecessors, (11330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8271 states to 8271 states and 11330 transitions. [2024-10-12 20:22:25,915 INFO L78 Accepts]: Start accepts. Automaton has 8271 states and 11330 transitions. Word has length 66 [2024-10-12 20:22:25,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:25,915 INFO L471 AbstractCegarLoop]: Abstraction has 8271 states and 11330 transitions. [2024-10-12 20:22:25,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 8271 states and 11330 transitions. [2024-10-12 20:22:25,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-12 20:22:25,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:25,922 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] [2024-10-12 20:22:25,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 20:22:25,923 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:25,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:25,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1912274000, now seen corresponding path program 1 times [2024-10-12 20:22:25,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:25,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930258423] [2024-10-12 20:22:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:25,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:26,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:26,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:26,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930258423] [2024-10-12 20:22:26,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930258423] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:26,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:26,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:26,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650801590] [2024-10-12 20:22:26,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:26,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:26,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:26,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:26,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:26,281 INFO L87 Difference]: Start difference. First operand 8271 states and 11330 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:28,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:28,526 INFO L93 Difference]: Finished difference Result 9711 states and 13341 transitions. [2024-10-12 20:22:28,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:22:28,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-10-12 20:22:28,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:28,540 INFO L225 Difference]: With dead ends: 9711 [2024-10-12 20:22:28,540 INFO L226 Difference]: Without dead ends: 9706 [2024-10-12 20:22:28,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:22:28,545 INFO L432 NwaCegarLoop]: 1379 mSDtfsCounter, 8013 mSDsluCounter, 5354 mSDsCounter, 0 mSdLazyCounter, 5950 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8013 SdHoareTripleChecker+Valid, 6733 SdHoareTripleChecker+Invalid, 5970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 5950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:28,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8013 Valid, 6733 Invalid, 5970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 5950 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-12 20:22:28,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9706 states. [2024-10-12 20:22:28,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9706 to 8271. [2024-10-12 20:22:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8271 states, 8254 states have (on average 1.372546644051369) internal successors, (11329), 8270 states have internal predecessors, (11329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8271 states to 8271 states and 11329 transitions. [2024-10-12 20:22:28,665 INFO L78 Accepts]: Start accepts. Automaton has 8271 states and 11329 transitions. Word has length 66 [2024-10-12 20:22:28,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:28,665 INFO L471 AbstractCegarLoop]: Abstraction has 8271 states and 11329 transitions. [2024-10-12 20:22:28,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 8271 states and 11329 transitions. [2024-10-12 20:22:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-12 20:22:28,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:28,671 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] [2024-10-12 20:22:28,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 20:22:28,672 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:28,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:28,673 INFO L85 PathProgramCache]: Analyzing trace with hash -143652767, now seen corresponding path program 1 times [2024-10-12 20:22:28,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:28,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105125693] [2024-10-12 20:22:28,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:28,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:29,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:29,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105125693] [2024-10-12 20:22:29,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105125693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:29,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:29,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 20:22:29,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771621538] [2024-10-12 20:22:29,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:29,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 20:22:29,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:29,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 20:22:29,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-12 20:22:29,188 INFO L87 Difference]: Start difference. First operand 8271 states and 11329 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:30,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:30,207 INFO L93 Difference]: Finished difference Result 11857 states and 16615 transitions. [2024-10-12 20:22:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-12 20:22:30,208 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-10-12 20:22:30,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:30,222 INFO L225 Difference]: With dead ends: 11857 [2024-10-12 20:22:30,223 INFO L226 Difference]: Without dead ends: 10495 [2024-10-12 20:22:30,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-10-12 20:22:30,228 INFO L432 NwaCegarLoop]: 2234 mSDtfsCounter, 10689 mSDsluCounter, 6250 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10689 SdHoareTripleChecker+Valid, 8484 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:30,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10689 Valid, 8484 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:22:30,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10495 states. [2024-10-12 20:22:30,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10495 to 8207. [2024-10-12 20:22:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8207 states, 8191 states have (on average 1.3723599072152362) internal successors, (11241), 8206 states have internal predecessors, (11241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8207 states to 8207 states and 11241 transitions. [2024-10-12 20:22:30,336 INFO L78 Accepts]: Start accepts. Automaton has 8207 states and 11241 transitions. Word has length 66 [2024-10-12 20:22:30,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:30,337 INFO L471 AbstractCegarLoop]: Abstraction has 8207 states and 11241 transitions. [2024-10-12 20:22:30,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 8207 states and 11241 transitions. [2024-10-12 20:22:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-12 20:22:30,342 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:30,343 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] [2024-10-12 20:22:30,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 20:22:30,343 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:30,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:30,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1525924249, now seen corresponding path program 1 times [2024-10-12 20:22:30,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:30,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080372732] [2024-10-12 20:22:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:30,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:30,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:30,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:30,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080372732] [2024-10-12 20:22:30,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080372732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:30,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:30,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-12 20:22:30,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496250175] [2024-10-12 20:22:30,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:30,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 20:22:30,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:30,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 20:22:30,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 20:22:30,833 INFO L87 Difference]: Start difference. First operand 8207 states and 11241 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:32,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:32,029 INFO L93 Difference]: Finished difference Result 10228 states and 14185 transitions. [2024-10-12 20:22:32,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:22:32,029 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-10-12 20:22:32,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:32,040 INFO L225 Difference]: With dead ends: 10228 [2024-10-12 20:22:32,041 INFO L226 Difference]: Without dead ends: 10224 [2024-10-12 20:22:32,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-12 20:22:32,045 INFO L432 NwaCegarLoop]: 2339 mSDtfsCounter, 12087 mSDsluCounter, 13366 mSDsCounter, 0 mSdLazyCounter, 1885 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12087 SdHoareTripleChecker+Valid, 15705 SdHoareTripleChecker+Invalid, 1900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:32,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12087 Valid, 15705 Invalid, 1900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1885 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:22:32,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10224 states. [2024-10-12 20:22:32,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10224 to 8203. [2024-10-12 20:22:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8203 states, 8188 states have (on average 1.3723742061553492) internal successors, (11237), 8202 states have internal predecessors, (11237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8203 states to 8203 states and 11237 transitions. [2024-10-12 20:22:32,146 INFO L78 Accepts]: Start accepts. Automaton has 8203 states and 11237 transitions. Word has length 66 [2024-10-12 20:22:32,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:32,146 INFO L471 AbstractCegarLoop]: Abstraction has 8203 states and 11237 transitions. [2024-10-12 20:22:32,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 8203 states and 11237 transitions. [2024-10-12 20:22:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 20:22:32,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:32,152 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] [2024-10-12 20:22:32,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-12 20:22:32,152 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:32,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:32,152 INFO L85 PathProgramCache]: Analyzing trace with hash 2095330879, now seen corresponding path program 1 times [2024-10-12 20:22:32,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:32,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402119579] [2024-10-12 20:22:32,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:32,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:32,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:32,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:32,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402119579] [2024-10-12 20:22:32,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402119579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:32,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:32,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-12 20:22:32,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749800001] [2024-10-12 20:22:32,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:32,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 20:22:32,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:32,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 20:22:32,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-12 20:22:32,583 INFO L87 Difference]: Start difference. First operand 8203 states and 11237 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:33,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:33,563 INFO L93 Difference]: Finished difference Result 11890 states and 16663 transitions. [2024-10-12 20:22:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-12 20:22:33,564 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 20:22:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:33,576 INFO L225 Difference]: With dead ends: 11890 [2024-10-12 20:22:33,576 INFO L226 Difference]: Without dead ends: 10459 [2024-10-12 20:22:33,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-10-12 20:22:33,582 INFO L432 NwaCegarLoop]: 2207 mSDtfsCounter, 15464 mSDsluCounter, 6309 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15464 SdHoareTripleChecker+Valid, 8516 SdHoareTripleChecker+Invalid, 1510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:33,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15464 Valid, 8516 Invalid, 1510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1498 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:22:33,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10459 states. [2024-10-12 20:22:33,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10459 to 8171. [2024-10-12 20:22:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8156 states have (on average 1.3729769494850417) internal successors, (11198), 8170 states have internal predecessors, (11198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:33,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 11198 transitions. [2024-10-12 20:22:33,690 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 11198 transitions. Word has length 67 [2024-10-12 20:22:33,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:33,690 INFO L471 AbstractCegarLoop]: Abstraction has 8171 states and 11198 transitions. [2024-10-12 20:22:33,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:33,691 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 11198 transitions. [2024-10-12 20:22:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 20:22:33,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:33,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:33,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 20:22:33,696 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:33,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:33,696 INFO L85 PathProgramCache]: Analyzing trace with hash 920345528, now seen corresponding path program 1 times [2024-10-12 20:22:33,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:33,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717792147] [2024-10-12 20:22:33,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:33,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:33,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:33,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:33,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717792147] [2024-10-12 20:22:33,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717792147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:33,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:33,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 20:22:33,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145496788] [2024-10-12 20:22:33,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:33,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 20:22:33,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:33,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 20:22:33,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:22:33,927 INFO L87 Difference]: Start difference. First operand 8171 states and 11198 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:35,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:35,721 INFO L93 Difference]: Finished difference Result 11390 states and 15856 transitions. [2024-10-12 20:22:35,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 20:22:35,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 20:22:35,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:35,733 INFO L225 Difference]: With dead ends: 11390 [2024-10-12 20:22:35,733 INFO L226 Difference]: Without dead ends: 9809 [2024-10-12 20:22:35,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-12 20:22:35,737 INFO L432 NwaCegarLoop]: 1302 mSDtfsCounter, 9427 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 4177 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9427 SdHoareTripleChecker+Valid, 4486 SdHoareTripleChecker+Invalid, 4190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:35,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9427 Valid, 4486 Invalid, 4190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4177 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-12 20:22:35,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9809 states. [2024-10-12 20:22:35,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9809 to 8171. [2024-10-12 20:22:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8156 states have (on average 1.372854340362923) internal successors, (11197), 8170 states have internal predecessors, (11197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 11197 transitions. [2024-10-12 20:22:35,851 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 11197 transitions. Word has length 67 [2024-10-12 20:22:35,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:35,852 INFO L471 AbstractCegarLoop]: Abstraction has 8171 states and 11197 transitions. [2024-10-12 20:22:35,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 11197 transitions. [2024-10-12 20:22:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 20:22:35,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:35,857 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] [2024-10-12 20:22:35,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-12 20:22:35,857 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:35,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:35,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1407222430, now seen corresponding path program 1 times [2024-10-12 20:22:35,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:35,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231171987] [2024-10-12 20:22:35,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:35,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:36,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:36,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231171987] [2024-10-12 20:22:36,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231171987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:36,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:36,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:36,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812963253] [2024-10-12 20:22:36,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:36,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:36,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:36,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:36,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:36,106 INFO L87 Difference]: Start difference. First operand 8171 states and 11197 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:38,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:38,757 INFO L93 Difference]: Finished difference Result 13030 states and 18210 transitions. [2024-10-12 20:22:38,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:22:38,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 20:22:38,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:38,771 INFO L225 Difference]: With dead ends: 13030 [2024-10-12 20:22:38,771 INFO L226 Difference]: Without dead ends: 11713 [2024-10-12 20:22:38,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:22:38,776 INFO L432 NwaCegarLoop]: 1392 mSDtfsCounter, 8026 mSDsluCounter, 5409 mSDsCounter, 0 mSdLazyCounter, 6700 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8026 SdHoareTripleChecker+Valid, 6801 SdHoareTripleChecker+Invalid, 6755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 6700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:38,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8026 Valid, 6801 Invalid, 6755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 6700 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-12 20:22:38,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11713 states. [2024-10-12 20:22:38,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11713 to 8171. [2024-10-12 20:22:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8156 states have (on average 1.3727317312408043) internal successors, (11196), 8170 states have internal predecessors, (11196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:38,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 11196 transitions. [2024-10-12 20:22:38,914 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 11196 transitions. Word has length 67 [2024-10-12 20:22:38,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:38,914 INFO L471 AbstractCegarLoop]: Abstraction has 8171 states and 11196 transitions. [2024-10-12 20:22:38,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 11196 transitions. [2024-10-12 20:22:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 20:22:38,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:38,921 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:38,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-12 20:22:38,921 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:38,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:38,921 INFO L85 PathProgramCache]: Analyzing trace with hash -805185725, now seen corresponding path program 1 times [2024-10-12 20:22:38,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:38,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298228826] [2024-10-12 20:22:38,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:38,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:39,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:39,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298228826] [2024-10-12 20:22:39,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298228826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:39,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:39,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:39,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201969499] [2024-10-12 20:22:39,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:39,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:39,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:39,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:39,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:39,164 INFO L87 Difference]: Start difference. First operand 8171 states and 11196 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:41,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:41,755 INFO L93 Difference]: Finished difference Result 13797 states and 19292 transitions. [2024-10-12 20:22:41,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:22:41,756 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 20:22:41,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:41,769 INFO L225 Difference]: With dead ends: 13797 [2024-10-12 20:22:41,770 INFO L226 Difference]: Without dead ends: 12438 [2024-10-12 20:22:41,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-12 20:22:41,775 INFO L432 NwaCegarLoop]: 1331 mSDtfsCounter, 10256 mSDsluCounter, 4397 mSDsCounter, 0 mSdLazyCounter, 6429 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10256 SdHoareTripleChecker+Valid, 5728 SdHoareTripleChecker+Invalid, 6554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 6429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:41,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10256 Valid, 5728 Invalid, 6554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 6429 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-12 20:22:41,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12438 states. [2024-10-12 20:22:41,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12438 to 8171. [2024-10-12 20:22:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8156 states have (on average 1.3726091221186856) internal successors, (11195), 8170 states have internal predecessors, (11195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 11195 transitions. [2024-10-12 20:22:41,890 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 11195 transitions. Word has length 67 [2024-10-12 20:22:41,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:41,890 INFO L471 AbstractCegarLoop]: Abstraction has 8171 states and 11195 transitions. [2024-10-12 20:22:41,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 11195 transitions. [2024-10-12 20:22:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 20:22:41,895 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:41,896 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] [2024-10-12 20:22:41,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-12 20:22:41,896 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:41,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:41,896 INFO L85 PathProgramCache]: Analyzing trace with hash 164568382, now seen corresponding path program 1 times [2024-10-12 20:22:41,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:41,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412704899] [2024-10-12 20:22:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:41,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:42,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:42,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412704899] [2024-10-12 20:22:42,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412704899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:42,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:42,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-12 20:22:42,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99131451] [2024-10-12 20:22:42,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:42,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 20:22:42,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:42,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 20:22:42,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-12 20:22:42,348 INFO L87 Difference]: Start difference. First operand 8171 states and 11195 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:44,037 INFO L93 Difference]: Finished difference Result 14322 states and 20247 transitions. [2024-10-12 20:22:44,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 20:22:44,037 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 20:22:44,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:44,052 INFO L225 Difference]: With dead ends: 14322 [2024-10-12 20:22:44,052 INFO L226 Difference]: Without dead ends: 12804 [2024-10-12 20:22:44,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2024-10-12 20:22:44,058 INFO L432 NwaCegarLoop]: 2247 mSDtfsCounter, 12309 mSDsluCounter, 9812 mSDsCounter, 0 mSdLazyCounter, 3124 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12309 SdHoareTripleChecker+Valid, 12059 SdHoareTripleChecker+Invalid, 3192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 3124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:44,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12309 Valid, 12059 Invalid, 3192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 3124 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-12 20:22:44,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12804 states. [2024-10-12 20:22:44,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12804 to 7951. [2024-10-12 20:22:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7951 states, 7937 states have (on average 1.37003905757843) internal successors, (10874), 7950 states have internal predecessors, (10874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7951 states to 7951 states and 10874 transitions. [2024-10-12 20:22:44,169 INFO L78 Accepts]: Start accepts. Automaton has 7951 states and 10874 transitions. Word has length 67 [2024-10-12 20:22:44,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:44,169 INFO L471 AbstractCegarLoop]: Abstraction has 7951 states and 10874 transitions. [2024-10-12 20:22:44,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 7951 states and 10874 transitions. [2024-10-12 20:22:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 20:22:44,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:44,174 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] [2024-10-12 20:22:44,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-12 20:22:44,174 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:44,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:44,175 INFO L85 PathProgramCache]: Analyzing trace with hash 2055073312, now seen corresponding path program 1 times [2024-10-12 20:22:44,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:44,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369168823] [2024-10-12 20:22:44,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:44,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:44,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:44,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369168823] [2024-10-12 20:22:44,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369168823] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:44,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:44,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:22:44,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49273389] [2024-10-12 20:22:44,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:44,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:22:44,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:44,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:22:44,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:44,233 INFO L87 Difference]: Start difference. First operand 7951 states and 10874 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:44,361 INFO L93 Difference]: Finished difference Result 11611 states and 16156 transitions. [2024-10-12 20:22:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:22:44,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 20:22:44,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:44,369 INFO L225 Difference]: With dead ends: 11611 [2024-10-12 20:22:44,369 INFO L226 Difference]: Without dead ends: 6932 [2024-10-12 20:22:44,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:44,376 INFO L432 NwaCegarLoop]: 1879 mSDtfsCounter, 1833 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:44,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 2474 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:22:44,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6932 states. [2024-10-12 20:22:44,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6932 to 6914. [2024-10-12 20:22:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6914 states, 6904 states have (on average 1.3839803012746235) internal successors, (9555), 6913 states have internal predecessors, (9555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6914 states to 6914 states and 9555 transitions. [2024-10-12 20:22:44,448 INFO L78 Accepts]: Start accepts. Automaton has 6914 states and 9555 transitions. Word has length 67 [2024-10-12 20:22:44,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:44,448 INFO L471 AbstractCegarLoop]: Abstraction has 6914 states and 9555 transitions. [2024-10-12 20:22:44,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 6914 states and 9555 transitions. [2024-10-12 20:22:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 20:22:44,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:44,455 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] [2024-10-12 20:22:44,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-12 20:22:44,456 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:44,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:44,456 INFO L85 PathProgramCache]: Analyzing trace with hash -985199678, now seen corresponding path program 1 times [2024-10-12 20:22:44,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:44,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413771696] [2024-10-12 20:22:44,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:44,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:44,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:44,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:44,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413771696] [2024-10-12 20:22:44,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413771696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:44,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:44,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:22:44,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735440184] [2024-10-12 20:22:44,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:44,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:22:44,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:44,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:22:44,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:44,519 INFO L87 Difference]: Start difference. First operand 6914 states and 9555 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:44,649 INFO L93 Difference]: Finished difference Result 11209 states and 15787 transitions. [2024-10-12 20:22:44,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:22:44,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-12 20:22:44,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:44,659 INFO L225 Difference]: With dead ends: 11209 [2024-10-12 20:22:44,659 INFO L226 Difference]: Without dead ends: 6733 [2024-10-12 20:22:44,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:44,665 INFO L432 NwaCegarLoop]: 1473 mSDtfsCounter, 1454 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:44,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 1920 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:22:44,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6733 states. [2024-10-12 20:22:44,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6733 to 6725. [2024-10-12 20:22:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6725 states, 6718 states have (on average 1.4048824054778208) internal successors, (9438), 6724 states have internal predecessors, (9438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6725 states to 6725 states and 9438 transitions. [2024-10-12 20:22:44,733 INFO L78 Accepts]: Start accepts. Automaton has 6725 states and 9438 transitions. Word has length 68 [2024-10-12 20:22:44,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:44,733 INFO L471 AbstractCegarLoop]: Abstraction has 6725 states and 9438 transitions. [2024-10-12 20:22:44,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 6725 states and 9438 transitions. [2024-10-12 20:22:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 20:22:44,739 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:44,739 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] [2024-10-12 20:22:44,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-12 20:22:44,739 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:44,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:44,740 INFO L85 PathProgramCache]: Analyzing trace with hash -746381525, now seen corresponding path program 1 times [2024-10-12 20:22:44,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:44,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743713584] [2024-10-12 20:22:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:44,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:44,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:44,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743713584] [2024-10-12 20:22:44,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743713584] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:44,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:44,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:22:44,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300322442] [2024-10-12 20:22:44,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:44,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:22:44,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:44,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:22:44,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:44,802 INFO L87 Difference]: Start difference. First operand 6725 states and 9438 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:44,870 INFO L93 Difference]: Finished difference Result 11143 states and 16287 transitions. [2024-10-12 20:22:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:22:44,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-12 20:22:44,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:44,879 INFO L225 Difference]: With dead ends: 11143 [2024-10-12 20:22:44,879 INFO L226 Difference]: Without dead ends: 7792 [2024-10-12 20:22:44,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:44,885 INFO L432 NwaCegarLoop]: 1548 mSDtfsCounter, 899 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:44,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 2244 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 20:22:44,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7792 states. [2024-10-12 20:22:44,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7792 to 6358. [2024-10-12 20:22:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6358 states, 6351 states have (on average 1.4309557549992127) internal successors, (9088), 6357 states have internal predecessors, (9088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6358 states to 6358 states and 9088 transitions. [2024-10-12 20:22:44,953 INFO L78 Accepts]: Start accepts. Automaton has 6358 states and 9088 transitions. Word has length 68 [2024-10-12 20:22:44,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:44,953 INFO L471 AbstractCegarLoop]: Abstraction has 6358 states and 9088 transitions. [2024-10-12 20:22:44,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 6358 states and 9088 transitions. [2024-10-12 20:22:44,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 20:22:44,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:44,956 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] [2024-10-12 20:22:44,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-12 20:22:44,956 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:44,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:44,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1614233913, now seen corresponding path program 1 times [2024-10-12 20:22:44,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:44,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364583165] [2024-10-12 20:22:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:44,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:45,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:45,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364583165] [2024-10-12 20:22:45,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364583165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:45,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:45,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:22:45,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550067439] [2024-10-12 20:22:45,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:45,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:22:45,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:45,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:22:45,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:45,028 INFO L87 Difference]: Start difference. First operand 6358 states and 9088 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:45,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:45,122 INFO L93 Difference]: Finished difference Result 14219 states and 20833 transitions. [2024-10-12 20:22:45,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:22:45,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-12 20:22:45,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:45,134 INFO L225 Difference]: With dead ends: 14219 [2024-10-12 20:22:45,134 INFO L226 Difference]: Without dead ends: 10206 [2024-10-12 20:22:45,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:45,141 INFO L432 NwaCegarLoop]: 1635 mSDtfsCounter, 933 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 2847 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:45,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 2847 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:22:45,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10206 states. [2024-10-12 20:22:45,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10206 to 10198. [2024-10-12 20:22:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10198 states, 10191 states have (on average 1.4384260622117555) internal successors, (14659), 10197 states have internal predecessors, (14659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10198 states to 10198 states and 14659 transitions. [2024-10-12 20:22:45,241 INFO L78 Accepts]: Start accepts. Automaton has 10198 states and 14659 transitions. Word has length 68 [2024-10-12 20:22:45,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:45,241 INFO L471 AbstractCegarLoop]: Abstraction has 10198 states and 14659 transitions. [2024-10-12 20:22:45,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 10198 states and 14659 transitions. [2024-10-12 20:22:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 20:22:45,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:45,244 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] [2024-10-12 20:22:45,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-12 20:22:45,244 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:45,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash 563894881, now seen corresponding path program 1 times [2024-10-12 20:22:45,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:45,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776034584] [2024-10-12 20:22:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:45,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:45,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:45,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776034584] [2024-10-12 20:22:45,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776034584] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:45,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:45,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:22:45,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310631656] [2024-10-12 20:22:45,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:45,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:22:45,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:45,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:22:45,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:45,302 INFO L87 Difference]: Start difference. First operand 10198 states and 14659 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:45,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:45,482 INFO L93 Difference]: Finished difference Result 24490 states and 35835 transitions. [2024-10-12 20:22:45,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:22:45,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-12 20:22:45,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:45,499 INFO L225 Difference]: With dead ends: 24490 [2024-10-12 20:22:45,500 INFO L226 Difference]: Without dead ends: 16842 [2024-10-12 20:22:45,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:45,508 INFO L432 NwaCegarLoop]: 1701 mSDtfsCounter, 801 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:45,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 2916 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:22:45,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16842 states. [2024-10-12 20:22:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16842 to 16834. [2024-10-12 20:22:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16834 states, 16827 states have (on average 1.4326974505259404) internal successors, (24108), 16833 states have internal predecessors, (24108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16834 states to 16834 states and 24108 transitions. [2024-10-12 20:22:45,669 INFO L78 Accepts]: Start accepts. Automaton has 16834 states and 24108 transitions. Word has length 68 [2024-10-12 20:22:45,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:45,669 INFO L471 AbstractCegarLoop]: Abstraction has 16834 states and 24108 transitions. [2024-10-12 20:22:45,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 16834 states and 24108 transitions. [2024-10-12 20:22:45,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-12 20:22:45,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:45,674 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] [2024-10-12 20:22:45,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-12 20:22:45,674 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:45,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:45,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1406960713, now seen corresponding path program 1 times [2024-10-12 20:22:45,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:45,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173858773] [2024-10-12 20:22:45,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:45,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:45,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:45,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173858773] [2024-10-12 20:22:45,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173858773] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:45,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:45,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:22:45,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626350936] [2024-10-12 20:22:45,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:45,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:22:45,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:45,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:22:45,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:45,728 INFO L87 Difference]: Start difference. First operand 16834 states and 24108 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:45,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:45,890 INFO L93 Difference]: Finished difference Result 33362 states and 48550 transitions. [2024-10-12 20:22:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:22:45,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-12 20:22:45,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:45,910 INFO L225 Difference]: With dead ends: 33362 [2024-10-12 20:22:45,910 INFO L226 Difference]: Without dead ends: 18467 [2024-10-12 20:22:45,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:45,926 INFO L432 NwaCegarLoop]: 1436 mSDtfsCounter, 1369 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 1982 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:45,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 1982 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:22:45,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18467 states. [2024-10-12 20:22:46,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18467 to 14824. [2024-10-12 20:22:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14824 states, 14817 states have (on average 1.4529256934602146) internal successors, (21528), 14823 states have internal predecessors, (21528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14824 states to 14824 states and 21528 transitions. [2024-10-12 20:22:46,086 INFO L78 Accepts]: Start accepts. Automaton has 14824 states and 21528 transitions. Word has length 69 [2024-10-12 20:22:46,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:46,087 INFO L471 AbstractCegarLoop]: Abstraction has 14824 states and 21528 transitions. [2024-10-12 20:22:46,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:46,087 INFO L276 IsEmpty]: Start isEmpty. Operand 14824 states and 21528 transitions. [2024-10-12 20:22:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-12 20:22:46,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:46,090 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] [2024-10-12 20:22:46,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-12 20:22:46,090 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:46,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:46,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1898328567, now seen corresponding path program 1 times [2024-10-12 20:22:46,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:46,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257602793] [2024-10-12 20:22:46,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:46,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:46,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:46,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257602793] [2024-10-12 20:22:46,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257602793] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:46,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:46,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:22:46,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945260454] [2024-10-12 20:22:46,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:46,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:22:46,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:46,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:22:46,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:46,140 INFO L87 Difference]: Start difference. First operand 14824 states and 21528 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:46,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:46,306 INFO L93 Difference]: Finished difference Result 30560 states and 44882 transitions. [2024-10-12 20:22:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:22:46,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-12 20:22:46,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:46,323 INFO L225 Difference]: With dead ends: 30560 [2024-10-12 20:22:46,323 INFO L226 Difference]: Without dead ends: 16719 [2024-10-12 20:22:46,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:46,334 INFO L432 NwaCegarLoop]: 1249 mSDtfsCounter, 970 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:46,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 1792 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:22:46,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16719 states. [2024-10-12 20:22:46,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16719 to 13531. [2024-10-12 20:22:46,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13531 states, 13524 states have (on average 1.464877255249926) internal successors, (19811), 13530 states have internal predecessors, (19811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13531 states to 13531 states and 19811 transitions. [2024-10-12 20:22:46,477 INFO L78 Accepts]: Start accepts. Automaton has 13531 states and 19811 transitions. Word has length 69 [2024-10-12 20:22:46,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:46,477 INFO L471 AbstractCegarLoop]: Abstraction has 13531 states and 19811 transitions. [2024-10-12 20:22:46,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:46,477 INFO L276 IsEmpty]: Start isEmpty. Operand 13531 states and 19811 transitions. [2024-10-12 20:22:46,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:22:46,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:46,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:46,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-12 20:22:46,479 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:46,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:46,480 INFO L85 PathProgramCache]: Analyzing trace with hash 936354534, now seen corresponding path program 1 times [2024-10-12 20:22:46,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:46,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748295922] [2024-10-12 20:22:46,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:46,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:46,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:46,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748295922] [2024-10-12 20:22:46,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748295922] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:46,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:46,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 20:22:46,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897717719] [2024-10-12 20:22:46,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:46,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 20:22:46,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:46,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 20:22:46,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-12 20:22:46,781 INFO L87 Difference]: Start difference. First operand 13531 states and 19811 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:48,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:48,540 INFO L93 Difference]: Finished difference Result 33043 states and 48315 transitions. [2024-10-12 20:22:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-12 20:22:48,540 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:22:48,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:48,575 INFO L225 Difference]: With dead ends: 33043 [2024-10-12 20:22:48,575 INFO L226 Difference]: Without dead ends: 32507 [2024-10-12 20:22:48,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2024-10-12 20:22:48,585 INFO L432 NwaCegarLoop]: 820 mSDtfsCounter, 5111 mSDsluCounter, 3928 mSDsCounter, 0 mSdLazyCounter, 4503 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5111 SdHoareTripleChecker+Valid, 4748 SdHoareTripleChecker+Invalid, 4561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 4503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:48,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5111 Valid, 4748 Invalid, 4561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 4503 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-12 20:22:48,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32507 states. [2024-10-12 20:22:48,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32507 to 13531. [2024-10-12 20:22:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13531 states, 13524 states have (on average 1.464729370008873) internal successors, (19809), 13530 states have internal predecessors, (19809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:48,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13531 states to 13531 states and 19809 transitions. [2024-10-12 20:22:48,802 INFO L78 Accepts]: Start accepts. Automaton has 13531 states and 19809 transitions. Word has length 70 [2024-10-12 20:22:48,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:48,802 INFO L471 AbstractCegarLoop]: Abstraction has 13531 states and 19809 transitions. [2024-10-12 20:22:48,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:48,802 INFO L276 IsEmpty]: Start isEmpty. Operand 13531 states and 19809 transitions. [2024-10-12 20:22:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:22:48,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:48,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:48,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-12 20:22:48,804 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:48,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:48,805 INFO L85 PathProgramCache]: Analyzing trace with hash 521195886, now seen corresponding path program 1 times [2024-10-12 20:22:48,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:48,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734920534] [2024-10-12 20:22:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:49,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:49,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734920534] [2024-10-12 20:22:49,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734920534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:49,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:49,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:49,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076791172] [2024-10-12 20:22:49,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:49,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:49,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:49,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:49,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:49,034 INFO L87 Difference]: Start difference. First operand 13531 states and 19809 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:50,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:50,135 INFO L93 Difference]: Finished difference Result 20219 states and 29578 transitions. [2024-10-12 20:22:50,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:22:50,136 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:22:50,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:50,157 INFO L225 Difference]: With dead ends: 20219 [2024-10-12 20:22:50,157 INFO L226 Difference]: Without dead ends: 19821 [2024-10-12 20:22:50,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:22:50,164 INFO L432 NwaCegarLoop]: 726 mSDtfsCounter, 4011 mSDsluCounter, 2831 mSDsCounter, 0 mSdLazyCounter, 2901 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4011 SdHoareTripleChecker+Valid, 3557 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:50,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4011 Valid, 3557 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2901 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:22:50,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19821 states. [2024-10-12 20:22:50,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19821 to 13531. [2024-10-12 20:22:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13531 states, 13524 states have (on average 1.4645814847678202) internal successors, (19807), 13530 states have internal predecessors, (19807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:50,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13531 states to 13531 states and 19807 transitions. [2024-10-12 20:22:50,321 INFO L78 Accepts]: Start accepts. Automaton has 13531 states and 19807 transitions. Word has length 70 [2024-10-12 20:22:50,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:50,321 INFO L471 AbstractCegarLoop]: Abstraction has 13531 states and 19807 transitions. [2024-10-12 20:22:50,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 13531 states and 19807 transitions. [2024-10-12 20:22:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:22:50,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:50,323 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:50,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-12 20:22:50,323 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:50,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:50,324 INFO L85 PathProgramCache]: Analyzing trace with hash 358544031, now seen corresponding path program 1 times [2024-10-12 20:22:50,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:50,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216312572] [2024-10-12 20:22:50,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:50,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:50,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:50,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216312572] [2024-10-12 20:22:50,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216312572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:50,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:50,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:50,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287052522] [2024-10-12 20:22:50,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:50,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:50,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:50,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:50,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:50,536 INFO L87 Difference]: Start difference. First operand 13531 states and 19807 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:51,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:51,717 INFO L93 Difference]: Finished difference Result 20326 states and 29688 transitions. [2024-10-12 20:22:51,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:22:51,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:22:51,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:51,738 INFO L225 Difference]: With dead ends: 20326 [2024-10-12 20:22:51,739 INFO L226 Difference]: Without dead ends: 19890 [2024-10-12 20:22:51,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:22:51,745 INFO L432 NwaCegarLoop]: 816 mSDtfsCounter, 3940 mSDsluCounter, 2953 mSDsCounter, 0 mSdLazyCounter, 3244 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3940 SdHoareTripleChecker+Valid, 3769 SdHoareTripleChecker+Invalid, 3265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 3244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:51,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3940 Valid, 3769 Invalid, 3265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 3244 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:22:51,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19890 states. [2024-10-12 20:22:51,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19890 to 13531. [2024-10-12 20:22:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13531 states, 13524 states have (on average 1.4644335995267672) internal successors, (19805), 13530 states have internal predecessors, (19805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13531 states to 13531 states and 19805 transitions. [2024-10-12 20:22:51,942 INFO L78 Accepts]: Start accepts. Automaton has 13531 states and 19805 transitions. Word has length 70 [2024-10-12 20:22:51,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:51,942 INFO L471 AbstractCegarLoop]: Abstraction has 13531 states and 19805 transitions. [2024-10-12 20:22:51,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 13531 states and 19805 transitions. [2024-10-12 20:22:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:22:51,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:51,944 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:51,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-12 20:22:51,944 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:51,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:51,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1246023294, now seen corresponding path program 1 times [2024-10-12 20:22:51,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:51,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746832891] [2024-10-12 20:22:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:52,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:52,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746832891] [2024-10-12 20:22:52,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746832891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:52,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:52,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:52,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471400749] [2024-10-12 20:22:52,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:52,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:52,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:52,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:52,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:52,153 INFO L87 Difference]: Start difference. First operand 13531 states and 19805 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:53,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:53,256 INFO L93 Difference]: Finished difference Result 20216 states and 29570 transitions. [2024-10-12 20:22:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:22:53,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:22:53,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:53,278 INFO L225 Difference]: With dead ends: 20216 [2024-10-12 20:22:53,278 INFO L226 Difference]: Without dead ends: 19821 [2024-10-12 20:22:53,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:22:53,286 INFO L432 NwaCegarLoop]: 743 mSDtfsCounter, 4003 mSDsluCounter, 2870 mSDsCounter, 0 mSdLazyCounter, 2913 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 3613 SdHoareTripleChecker+Invalid, 2928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:53,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4003 Valid, 3613 Invalid, 2928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2913 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:22:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19821 states. [2024-10-12 20:22:53,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19821 to 13531. [2024-10-12 20:22:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13531 states, 13524 states have (on average 1.4643596569062407) internal successors, (19804), 13530 states have internal predecessors, (19804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:53,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13531 states to 13531 states and 19804 transitions. [2024-10-12 20:22:53,450 INFO L78 Accepts]: Start accepts. Automaton has 13531 states and 19804 transitions. Word has length 70 [2024-10-12 20:22:53,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:53,450 INFO L471 AbstractCegarLoop]: Abstraction has 13531 states and 19804 transitions. [2024-10-12 20:22:53,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 13531 states and 19804 transitions. [2024-10-12 20:22:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:22:53,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:53,452 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] [2024-10-12 20:22:53,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-12 20:22:53,452 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:53,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:53,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1339094683, now seen corresponding path program 1 times [2024-10-12 20:22:53,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:53,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413380315] [2024-10-12 20:22:53,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:53,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:53,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:53,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413380315] [2024-10-12 20:22:53,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413380315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:53,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:53,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:53,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614524528] [2024-10-12 20:22:53,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:53,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:53,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:53,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:53,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:53,628 INFO L87 Difference]: Start difference. First operand 13531 states and 19804 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:54,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:54,713 INFO L93 Difference]: Finished difference Result 17583 states and 25544 transitions. [2024-10-12 20:22:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:22:54,714 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:22:54,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:54,733 INFO L225 Difference]: With dead ends: 17583 [2024-10-12 20:22:54,733 INFO L226 Difference]: Without dead ends: 17169 [2024-10-12 20:22:54,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-12 20:22:54,739 INFO L432 NwaCegarLoop]: 747 mSDtfsCounter, 4682 mSDsluCounter, 2376 mSDsCounter, 0 mSdLazyCounter, 2800 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4682 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:54,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4682 Valid, 3123 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2800 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:22:54,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17169 states. [2024-10-12 20:22:54,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17169 to 13531. [2024-10-12 20:22:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13531 states, 13524 states have (on average 1.4642857142857142) internal successors, (19803), 13530 states have internal predecessors, (19803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13531 states to 13531 states and 19803 transitions. [2024-10-12 20:22:54,894 INFO L78 Accepts]: Start accepts. Automaton has 13531 states and 19803 transitions. Word has length 70 [2024-10-12 20:22:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:54,894 INFO L471 AbstractCegarLoop]: Abstraction has 13531 states and 19803 transitions. [2024-10-12 20:22:54,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 13531 states and 19803 transitions. [2024-10-12 20:22:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:22:54,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:54,930 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:54,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-12 20:22:54,931 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:54,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:54,931 INFO L85 PathProgramCache]: Analyzing trace with hash 224812528, now seen corresponding path program 1 times [2024-10-12 20:22:54,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:54,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219486552] [2024-10-12 20:22:54,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:54,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:55,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:55,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219486552] [2024-10-12 20:22:55,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219486552] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:55,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:55,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:55,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607606041] [2024-10-12 20:22:55,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:55,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:55,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:55,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:55,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:55,092 INFO L87 Difference]: Start difference. First operand 13531 states and 19803 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:56,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:56,054 INFO L93 Difference]: Finished difference Result 17496 states and 25456 transitions. [2024-10-12 20:22:56,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:22:56,054 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:22:56,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:56,073 INFO L225 Difference]: With dead ends: 17496 [2024-10-12 20:22:56,073 INFO L226 Difference]: Without dead ends: 17101 [2024-10-12 20:22:56,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-12 20:22:56,079 INFO L432 NwaCegarLoop]: 738 mSDtfsCounter, 3128 mSDsluCounter, 2362 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3128 SdHoareTripleChecker+Valid, 3100 SdHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:56,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3128 Valid, 3100 Invalid, 2572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:22:56,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17101 states. [2024-10-12 20:22:56,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17101 to 13531. [2024-10-12 20:22:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13531 states, 13524 states have (on average 1.464211771665188) internal successors, (19802), 13530 states have internal predecessors, (19802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:56,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13531 states to 13531 states and 19802 transitions. [2024-10-12 20:22:56,223 INFO L78 Accepts]: Start accepts. Automaton has 13531 states and 19802 transitions. Word has length 70 [2024-10-12 20:22:56,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:56,224 INFO L471 AbstractCegarLoop]: Abstraction has 13531 states and 19802 transitions. [2024-10-12 20:22:56,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 13531 states and 19802 transitions. [2024-10-12 20:22:56,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-12 20:22:56,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:56,226 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:56,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-12 20:22:56,226 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:56,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:56,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1750057004, now seen corresponding path program 1 times [2024-10-12 20:22:56,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:56,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792877334] [2024-10-12 20:22:56,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:56,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:56,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:56,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792877334] [2024-10-12 20:22:56,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792877334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:56,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:56,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:22:56,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025616844] [2024-10-12 20:22:56,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:56,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:22:56,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:56,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:22:56,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:56,279 INFO L87 Difference]: Start difference. First operand 13531 states and 19802 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:56,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:56,379 INFO L93 Difference]: Finished difference Result 31237 states and 46495 transitions. [2024-10-12 20:22:56,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:22:56,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-12 20:22:56,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:56,400 INFO L225 Difference]: With dead ends: 31237 [2024-10-12 20:22:56,400 INFO L226 Difference]: Without dead ends: 19514 [2024-10-12 20:22:56,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:22:56,411 INFO L432 NwaCegarLoop]: 1330 mSDtfsCounter, 796 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:56,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 1874 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 20:22:56,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19514 states. [2024-10-12 20:22:56,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19514 to 15713. [2024-10-12 20:22:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15713 states, 15706 states have (on average 1.4619890487711702) internal successors, (22962), 15712 states have internal predecessors, (22962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15713 states to 15713 states and 22962 transitions. [2024-10-12 20:22:56,571 INFO L78 Accepts]: Start accepts. Automaton has 15713 states and 22962 transitions. Word has length 71 [2024-10-12 20:22:56,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:56,572 INFO L471 AbstractCegarLoop]: Abstraction has 15713 states and 22962 transitions. [2024-10-12 20:22:56,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 15713 states and 22962 transitions. [2024-10-12 20:22:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-12 20:22:56,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:56,574 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:56,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-12 20:22:56,574 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:56,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:56,574 INFO L85 PathProgramCache]: Analyzing trace with hash 672768326, now seen corresponding path program 1 times [2024-10-12 20:22:56,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:56,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833517639] [2024-10-12 20:22:56,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:56,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:56,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:56,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:56,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833517639] [2024-10-12 20:22:56,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833517639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:56,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:56,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:22:56,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990014173] [2024-10-12 20:22:56,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:56,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:22:56,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:56,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:22:56,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:22:56,773 INFO L87 Difference]: Start difference. First operand 15713 states and 22962 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:57,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:57,866 INFO L93 Difference]: Finished difference Result 23354 states and 34033 transitions. [2024-10-12 20:22:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:22:57,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-12 20:22:57,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:57,891 INFO L225 Difference]: With dead ends: 23354 [2024-10-12 20:22:57,891 INFO L226 Difference]: Without dead ends: 23225 [2024-10-12 20:22:57,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:22:57,899 INFO L432 NwaCegarLoop]: 737 mSDtfsCounter, 3933 mSDsluCounter, 2828 mSDsCounter, 0 mSdLazyCounter, 2911 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3933 SdHoareTripleChecker+Valid, 3565 SdHoareTripleChecker+Invalid, 2926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:57,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3933 Valid, 3565 Invalid, 2926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2911 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:22:57,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23225 states. [2024-10-12 20:22:58,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23225 to 15708. [2024-10-12 20:22:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15708 states, 15701 states have (on average 1.4618814088274632) internal successors, (22953), 15707 states have internal predecessors, (22953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:58,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15708 states to 15708 states and 22953 transitions. [2024-10-12 20:22:58,137 INFO L78 Accepts]: Start accepts. Automaton has 15708 states and 22953 transitions. Word has length 71 [2024-10-12 20:22:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:58,138 INFO L471 AbstractCegarLoop]: Abstraction has 15708 states and 22953 transitions. [2024-10-12 20:22:58,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:58,138 INFO L276 IsEmpty]: Start isEmpty. Operand 15708 states and 22953 transitions. [2024-10-12 20:22:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-12 20:22:58,140 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:58,140 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:58,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-12 20:22:58,141 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:58,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash 830639487, now seen corresponding path program 1 times [2024-10-12 20:22:58,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:58,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41294187] [2024-10-12 20:22:58,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:58,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:58,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:58,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41294187] [2024-10-12 20:22:58,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41294187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:58,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:58,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-12 20:22:58,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197676897] [2024-10-12 20:22:58,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:58,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 20:22:58,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:58,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 20:22:58,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 20:22:58,549 INFO L87 Difference]: Start difference. First operand 15708 states and 22953 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:59,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:22:59,283 INFO L93 Difference]: Finished difference Result 26583 states and 38953 transitions. [2024-10-12 20:22:59,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:22:59,283 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-12 20:22:59,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:22:59,315 INFO L225 Difference]: With dead ends: 26583 [2024-10-12 20:22:59,316 INFO L226 Difference]: Without dead ends: 26453 [2024-10-12 20:22:59,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-12 20:22:59,326 INFO L432 NwaCegarLoop]: 1176 mSDtfsCounter, 7207 mSDsluCounter, 5134 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7207 SdHoareTripleChecker+Valid, 6310 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:22:59,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7207 Valid, 6310 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-12 20:22:59,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26453 states. [2024-10-12 20:22:59,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26453 to 15702. [2024-10-12 20:22:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15702 states, 15696 states have (on average 1.4617737003058104) internal successors, (22944), 15701 states have internal predecessors, (22944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15702 states to 15702 states and 22944 transitions. [2024-10-12 20:22:59,524 INFO L78 Accepts]: Start accepts. Automaton has 15702 states and 22944 transitions. Word has length 73 [2024-10-12 20:22:59,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:22:59,524 INFO L471 AbstractCegarLoop]: Abstraction has 15702 states and 22944 transitions. [2024-10-12 20:22:59,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:22:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 15702 states and 22944 transitions. [2024-10-12 20:22:59,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-12 20:22:59,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:22:59,527 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:22:59,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-12 20:22:59,527 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:22:59,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:22:59,528 INFO L85 PathProgramCache]: Analyzing trace with hash -581497913, now seen corresponding path program 1 times [2024-10-12 20:22:59,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:22:59,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664611607] [2024-10-12 20:22:59,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:22:59,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:22:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:22:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:22:59,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:22:59,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664611607] [2024-10-12 20:22:59,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664611607] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:22:59,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:22:59,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-12 20:22:59,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719181052] [2024-10-12 20:22:59,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:22:59,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 20:22:59,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:22:59,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 20:22:59,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 20:22:59,898 INFO L87 Difference]: Start difference. First operand 15702 states and 22944 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:00,644 INFO L93 Difference]: Finished difference Result 26571 states and 38937 transitions. [2024-10-12 20:23:00,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 20:23:00,645 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-12 20:23:00,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:00,676 INFO L225 Difference]: With dead ends: 26571 [2024-10-12 20:23:00,676 INFO L226 Difference]: Without dead ends: 26441 [2024-10-12 20:23:00,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-12 20:23:00,685 INFO L432 NwaCegarLoop]: 1166 mSDtfsCounter, 6156 mSDsluCounter, 4647 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6156 SdHoareTripleChecker+Valid, 5813 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:00,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6156 Valid, 5813 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-12 20:23:00,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26441 states. [2024-10-12 20:23:00,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26441 to 15696. [2024-10-12 20:23:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15696 states, 15691 states have (on average 1.461665923140654) internal successors, (22935), 15695 states have internal predecessors, (22935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15696 states to 15696 states and 22935 transitions. [2024-10-12 20:23:00,876 INFO L78 Accepts]: Start accepts. Automaton has 15696 states and 22935 transitions. Word has length 73 [2024-10-12 20:23:00,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:00,876 INFO L471 AbstractCegarLoop]: Abstraction has 15696 states and 22935 transitions. [2024-10-12 20:23:00,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 15696 states and 22935 transitions. [2024-10-12 20:23:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-12 20:23:00,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:00,878 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] [2024-10-12 20:23:00,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-12 20:23:00,878 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:00,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:00,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1379311271, now seen corresponding path program 1 times [2024-10-12 20:23:00,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:00,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760020820] [2024-10-12 20:23:00,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:00,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:01,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:01,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760020820] [2024-10-12 20:23:01,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760020820] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:01,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:01,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 20:23:01,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68973018] [2024-10-12 20:23:01,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:01,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-12 20:23:01,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:01,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-12 20:23:01,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-12 20:23:01,272 INFO L87 Difference]: Start difference. First operand 15696 states and 22935 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:02,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:02,787 INFO L93 Difference]: Finished difference Result 57757 states and 84343 transitions. [2024-10-12 20:23:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-12 20:23:02,787 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-12 20:23:02,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:02,859 INFO L225 Difference]: With dead ends: 57757 [2024-10-12 20:23:02,859 INFO L226 Difference]: Without dead ends: 57571 [2024-10-12 20:23:02,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2024-10-12 20:23:02,879 INFO L432 NwaCegarLoop]: 1360 mSDtfsCounter, 7334 mSDsluCounter, 9579 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7334 SdHoareTripleChecker+Valid, 10939 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:02,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7334 Valid, 10939 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:23:02,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57571 states. [2024-10-12 20:23:03,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57571 to 15634. [2024-10-12 20:23:03,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15634 states, 15630 states have (on average 1.4620601407549585) internal successors, (22852), 15633 states have internal predecessors, (22852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15634 states to 15634 states and 22852 transitions. [2024-10-12 20:23:03,331 INFO L78 Accepts]: Start accepts. Automaton has 15634 states and 22852 transitions. Word has length 73 [2024-10-12 20:23:03,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:03,331 INFO L471 AbstractCegarLoop]: Abstraction has 15634 states and 22852 transitions. [2024-10-12 20:23:03,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 15634 states and 22852 transitions. [2024-10-12 20:23:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-12 20:23:03,333 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:03,333 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:03,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-12 20:23:03,334 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:03,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:03,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1557339149, now seen corresponding path program 1 times [2024-10-12 20:23:03,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:03,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924739972] [2024-10-12 20:23:03,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:03,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:04,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:04,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924739972] [2024-10-12 20:23:04,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924739972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:04,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:04,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-10-12 20:23:04,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013480974] [2024-10-12 20:23:04,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:04,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-12 20:23:04,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:04,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-12 20:23:04,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2024-10-12 20:23:04,230 INFO L87 Difference]: Start difference. First operand 15634 states and 22852 transitions. Second operand has 24 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 23 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:07,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:07,599 INFO L93 Difference]: Finished difference Result 35239 states and 51493 transitions. [2024-10-12 20:23:07,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-12 20:23:07,599 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 23 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-12 20:23:07,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:07,635 INFO L225 Difference]: With dead ends: 35239 [2024-10-12 20:23:07,635 INFO L226 Difference]: Without dead ends: 35111 [2024-10-12 20:23:07,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=317, Invalid=1405, Unknown=0, NotChecked=0, Total=1722 [2024-10-12 20:23:07,645 INFO L432 NwaCegarLoop]: 1149 mSDtfsCounter, 12143 mSDsluCounter, 13363 mSDsCounter, 0 mSdLazyCounter, 6136 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12143 SdHoareTripleChecker+Valid, 14512 SdHoareTripleChecker+Invalid, 6160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:07,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12143 Valid, 14512 Invalid, 6160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6136 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-12 20:23:07,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35111 states. [2024-10-12 20:23:07,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35111 to 15647. [2024-10-12 20:23:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15647 states, 15643 states have (on average 1.461867928146775) internal successors, (22868), 15646 states have internal predecessors, (22868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15647 states to 15647 states and 22868 transitions. [2024-10-12 20:23:07,861 INFO L78 Accepts]: Start accepts. Automaton has 15647 states and 22868 transitions. Word has length 73 [2024-10-12 20:23:07,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:07,861 INFO L471 AbstractCegarLoop]: Abstraction has 15647 states and 22868 transitions. [2024-10-12 20:23:07,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 23 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 15647 states and 22868 transitions. [2024-10-12 20:23:07,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-12 20:23:07,868 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:07,868 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:07,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-12 20:23:07,868 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:07,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:07,868 INFO L85 PathProgramCache]: Analyzing trace with hash 770378501, now seen corresponding path program 1 times [2024-10-12 20:23:07,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:07,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167461981] [2024-10-12 20:23:07,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:07,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:08,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:08,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167461981] [2024-10-12 20:23:08,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167461981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:08,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:08,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 20:23:08,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861456836] [2024-10-12 20:23:08,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:08,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 20:23:08,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:08,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 20:23:08,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-12 20:23:08,175 INFO L87 Difference]: Start difference. First operand 15647 states and 22868 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:08,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:08,701 INFO L93 Difference]: Finished difference Result 26454 states and 38772 transitions. [2024-10-12 20:23:08,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-12 20:23:08,701 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-12 20:23:08,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:08,732 INFO L225 Difference]: With dead ends: 26454 [2024-10-12 20:23:08,732 INFO L226 Difference]: Without dead ends: 26246 [2024-10-12 20:23:08,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-10-12 20:23:08,741 INFO L432 NwaCegarLoop]: 1003 mSDtfsCounter, 5466 mSDsluCounter, 2357 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 3360 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:08,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5466 Valid, 3360 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-12 20:23:08,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26246 states. [2024-10-12 20:23:08,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26246 to 15563. [2024-10-12 20:23:08,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15563 states, 15562 states have (on average 1.4624726898856188) internal successors, (22759), 15562 states have internal predecessors, (22759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15563 states to 15563 states and 22759 transitions. [2024-10-12 20:23:08,939 INFO L78 Accepts]: Start accepts. Automaton has 15563 states and 22759 transitions. Word has length 73 [2024-10-12 20:23:08,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:08,939 INFO L471 AbstractCegarLoop]: Abstraction has 15563 states and 22759 transitions. [2024-10-12 20:23:08,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 15563 states and 22759 transitions. [2024-10-12 20:23:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-12 20:23:08,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:08,943 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:08,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-12 20:23:08,943 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:08,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:08,944 INFO L85 PathProgramCache]: Analyzing trace with hash -2055121620, now seen corresponding path program 1 times [2024-10-12 20:23:08,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:08,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290952836] [2024-10-12 20:23:08,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:08,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:09,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:09,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290952836] [2024-10-12 20:23:09,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290952836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:09,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:09,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 20:23:09,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020793523] [2024-10-12 20:23:09,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:09,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 20:23:09,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:09,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 20:23:09,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-12 20:23:09,036 INFO L87 Difference]: Start difference. First operand 15563 states and 22759 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:09,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:09,278 INFO L93 Difference]: Finished difference Result 58602 states and 86529 transitions. [2024-10-12 20:23:09,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 20:23:09,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-10-12 20:23:09,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:09,328 INFO L225 Difference]: With dead ends: 58602 [2024-10-12 20:23:09,328 INFO L226 Difference]: Without dead ends: 44520 [2024-10-12 20:23:09,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-12 20:23:09,349 INFO L432 NwaCegarLoop]: 1126 mSDtfsCounter, 4342 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4342 SdHoareTripleChecker+Valid, 2255 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:09,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4342 Valid, 2255 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:23:09,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44520 states. [2024-10-12 20:23:09,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44520 to 28868. [2024-10-12 20:23:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28868 states, 28867 states have (on average 1.456057089410053) internal successors, (42032), 28867 states have internal predecessors, (42032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28868 states to 28868 states and 42032 transitions. [2024-10-12 20:23:09,777 INFO L78 Accepts]: Start accepts. Automaton has 28868 states and 42032 transitions. Word has length 79 [2024-10-12 20:23:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:09,777 INFO L471 AbstractCegarLoop]: Abstraction has 28868 states and 42032 transitions. [2024-10-12 20:23:09,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 28868 states and 42032 transitions. [2024-10-12 20:23:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-12 20:23:09,783 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:09,783 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:09,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-12 20:23:09,783 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:09,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:09,784 INFO L85 PathProgramCache]: Analyzing trace with hash 181380460, now seen corresponding path program 1 times [2024-10-12 20:23:09,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:09,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914615170] [2024-10-12 20:23:09,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:09,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:09,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:09,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914615170] [2024-10-12 20:23:09,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914615170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:09,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:09,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 20:23:09,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603678647] [2024-10-12 20:23:09,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:09,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 20:23:09,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:09,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 20:23:09,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-12 20:23:09,887 INFO L87 Difference]: Start difference. First operand 28868 states and 42032 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:10,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:10,116 INFO L93 Difference]: Finished difference Result 51420 states and 75030 transitions. [2024-10-12 20:23:10,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 20:23:10,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-12 20:23:10,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:10,142 INFO L225 Difference]: With dead ends: 51420 [2024-10-12 20:23:10,142 INFO L226 Difference]: Without dead ends: 24016 [2024-10-12 20:23:10,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-12 20:23:10,162 INFO L432 NwaCegarLoop]: 1135 mSDtfsCounter, 1639 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 2019 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:10,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 2019 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:23:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24016 states. [2024-10-12 20:23:10,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24016 to 24010. [2024-10-12 20:23:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24010 states, 24009 states have (on average 1.4470823441209546) internal successors, (34743), 24009 states have internal predecessors, (34743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:10,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24010 states to 24010 states and 34743 transitions. [2024-10-12 20:23:10,382 INFO L78 Accepts]: Start accepts. Automaton has 24010 states and 34743 transitions. Word has length 80 [2024-10-12 20:23:10,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:10,382 INFO L471 AbstractCegarLoop]: Abstraction has 24010 states and 34743 transitions. [2024-10-12 20:23:10,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:10,382 INFO L276 IsEmpty]: Start isEmpty. Operand 24010 states and 34743 transitions. [2024-10-12 20:23:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-12 20:23:10,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:10,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:10,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-12 20:23:10,387 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:10,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:10,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1066134466, now seen corresponding path program 1 times [2024-10-12 20:23:10,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:10,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605392094] [2024-10-12 20:23:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:10,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:10,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:10,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605392094] [2024-10-12 20:23:10,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605392094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:10,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:10,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:10,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483790573] [2024-10-12 20:23:10,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:10,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:10,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:10,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:10,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:10,465 INFO L87 Difference]: Start difference. First operand 24010 states and 34743 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:10,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:10,627 INFO L93 Difference]: Finished difference Result 67450 states and 98053 transitions. [2024-10-12 20:23:10,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:10,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-12 20:23:10,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:10,676 INFO L225 Difference]: With dead ends: 67450 [2024-10-12 20:23:10,676 INFO L226 Difference]: Without dead ends: 44846 [2024-10-12 20:23:10,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:10,699 INFO L432 NwaCegarLoop]: 1134 mSDtfsCounter, 708 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:10,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 1534 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 20:23:10,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44846 states. [2024-10-12 20:23:11,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44846 to 42604. [2024-10-12 20:23:11,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42604 states, 42603 states have (on average 1.4445931037720348) internal successors, (61544), 42603 states have internal predecessors, (61544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42604 states to 42604 states and 61544 transitions. [2024-10-12 20:23:11,195 INFO L78 Accepts]: Start accepts. Automaton has 42604 states and 61544 transitions. Word has length 82 [2024-10-12 20:23:11,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:11,195 INFO L471 AbstractCegarLoop]: Abstraction has 42604 states and 61544 transitions. [2024-10-12 20:23:11,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 42604 states and 61544 transitions. [2024-10-12 20:23:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-12 20:23:11,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:11,199 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:11,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-12 20:23:11,199 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:11,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:11,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1327601486, now seen corresponding path program 1 times [2024-10-12 20:23:11,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:11,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029610829] [2024-10-12 20:23:11,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:11,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:11,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:11,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029610829] [2024-10-12 20:23:11,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029610829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:11,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:11,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:11,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70412273] [2024-10-12 20:23:11,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:11,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:11,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:11,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:11,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:11,279 INFO L87 Difference]: Start difference. First operand 42604 states and 61544 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:11,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:11,604 INFO L93 Difference]: Finished difference Result 121696 states and 175970 transitions. [2024-10-12 20:23:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:11,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-10-12 20:23:11,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:11,703 INFO L225 Difference]: With dead ends: 121696 [2024-10-12 20:23:11,703 INFO L226 Difference]: Without dead ends: 80498 [2024-10-12 20:23:11,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:11,744 INFO L432 NwaCegarLoop]: 1123 mSDtfsCounter, 629 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:11,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 1594 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:23:11,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80498 states. [2024-10-12 20:23:12,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80498 to 76016. [2024-10-12 20:23:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76016 states, 76015 states have (on average 1.4371374070907057) internal successors, (109244), 76015 states have internal predecessors, (109244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:12,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76016 states to 76016 states and 109244 transitions. [2024-10-12 20:23:12,884 INFO L78 Accepts]: Start accepts. Automaton has 76016 states and 109244 transitions. Word has length 82 [2024-10-12 20:23:12,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:12,884 INFO L471 AbstractCegarLoop]: Abstraction has 76016 states and 109244 transitions. [2024-10-12 20:23:12,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:12,885 INFO L276 IsEmpty]: Start isEmpty. Operand 76016 states and 109244 transitions. [2024-10-12 20:23:12,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-12 20:23:12,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:12,889 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:12,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-12 20:23:12,889 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:12,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:12,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1480439156, now seen corresponding path program 1 times [2024-10-12 20:23:12,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:12,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889158731] [2024-10-12 20:23:12,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:12,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:13,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:13,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889158731] [2024-10-12 20:23:13,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889158731] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:13,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:13,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:13,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79595852] [2024-10-12 20:23:13,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:13,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:13,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:13,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:13,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:13,226 INFO L87 Difference]: Start difference. First operand 76016 states and 109244 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:13,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:13,940 INFO L93 Difference]: Finished difference Result 218628 states and 313710 transitions. [2024-10-12 20:23:13,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:13,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-10-12 20:23:13,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:14,265 INFO L225 Difference]: With dead ends: 218628 [2024-10-12 20:23:14,275 INFO L226 Difference]: Without dead ends: 144018 [2024-10-12 20:23:14,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:14,328 INFO L432 NwaCegarLoop]: 1104 mSDtfsCounter, 520 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:14,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 1660 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:23:14,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144018 states.