./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.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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.5.2.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 61079a62c86de0622c6f0d8d69ab5d3bd5c88209c75f4f3a60aa83a2a40500fd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:49:17,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:49:17,260 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:49:17,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:49:17,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:49:17,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:49:17,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:49:17,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:49:17,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:49:17,301 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:49:17,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:49:17,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:49:17,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:49:17,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:49:17,302 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:49:17,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:49:17,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:49:17,305 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:49:17,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:49:17,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:49:17,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:49:17,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:49:17,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:49:17,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:49:17,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:49:17,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:49:17,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:49:17,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:49:17,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:49:17,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:49:17,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:49:17,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:49:17,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:49:17,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:49:17,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:49:17,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:49:17,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:49:17,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:49:17,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:49:17,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:49:17,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:49:17,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:49:17,321 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61079a62c86de0622c6f0d8d69ab5d3bd5c88209c75f4f3a60aa83a2a40500fd [2024-11-19 22:49:17,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:49:17,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:49:17,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:49:17,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:49:17,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:49:17,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-19 22:49:19,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:49:19,620 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:49:19,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-19 22:49:19,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197a50967/8a7d6d1af466440e837390cc567ef0e2/FLAG2e89c3db9 [2024-11-19 22:49:19,708 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197a50967/8a7d6d1af466440e837390cc567ef0e2 [2024-11-19 22:49:19,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:49:19,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:49:19,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:49:19,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:49:19,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:49:19,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:49:19" (1/1) ... [2024-11-19 22:49:19,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4113743a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19, skipping insertion in model container [2024-11-19 22:49:19,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:49:19" (1/1) ... [2024-11-19 22:49:19,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:49:20,787 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82693,82706] [2024-11-19 22:49:20,888 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[113477,113490] [2024-11-19 22:49:21,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[165794,165807] [2024-11-19 22:49:21,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[197365,197378] [2024-11-19 22:49:21,109 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[205886,205899] [2024-11-19 22:49:21,118 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[207836,207849] [2024-11-19 22:49:21,159 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[224171,224184] [2024-11-19 22:49:21,176 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231245,231258] [2024-11-19 22:49:21,235 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[259571,259584] [2024-11-19 22:49:21,289 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[287337,287350] [2024-11-19 22:49:21,480 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[370939,370952] [2024-11-19 22:49:21,521 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[389606,389619] [2024-11-19 22:49:21,560 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[408649,408662] [2024-11-19 22:49:21,575 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[415665,415678] [2024-11-19 22:49:21,584 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[419162,419175] [2024-11-19 22:49:21,611 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[433807,433820] [2024-11-19 22:49:21,640 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[448287,448300] [2024-11-19 22:49:21,701 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[480365,480378] [2024-11-19 22:49:21,862 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[569807,569820] [2024-11-19 22:49:22,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:49:22,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:49:22,264 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82693,82706] [2024-11-19 22:49:22,313 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[113477,113490] [2024-11-19 22:49:22,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[165794,165807] [2024-11-19 22:49:22,450 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[197365,197378] [2024-11-19 22:49:22,464 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[205886,205899] [2024-11-19 22:49:22,469 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[207836,207849] [2024-11-19 22:49:22,496 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[224171,224184] [2024-11-19 22:49:22,508 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231245,231258] [2024-11-19 22:49:22,553 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[259571,259584] [2024-11-19 22:49:22,640 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[287337,287350] [2024-11-19 22:49:22,760 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[370939,370952] [2024-11-19 22:49:22,789 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[389606,389619] [2024-11-19 22:49:22,818 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[408649,408662] [2024-11-19 22:49:22,829 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[415665,415678] [2024-11-19 22:49:22,836 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[419162,419175] [2024-11-19 22:49:22,856 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[433807,433820] [2024-11-19 22:49:22,877 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[448287,448300] [2024-11-19 22:49:22,921 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[480365,480378] [2024-11-19 22:49:23,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[569807,569820] [2024-11-19 22:49:23,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:49:23,251 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:49:23,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23 WrapperNode [2024-11-19 22:49:23,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:49:23,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:49:23,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:49:23,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:49:23,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:23,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:23,846 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30433 [2024-11-19 22:49:23,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:49:23,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:49:23,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:49:23,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:49:23,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:23,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:24,081 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:24,217 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 22:49:24,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:24,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:24,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:24,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:24,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:24,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:24,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:49:24,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:49:24,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:49:24,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:49:24,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (1/1) ... [2024-11-19 22:49:24,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:49:24,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:49:24,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 22:49:24,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 22:49:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:49:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:49:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:49:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:49:25,622 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:49:25,624 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:49:36,944 INFO L? ?]: Removed 5544 outVars from TransFormulas that were not future-live. [2024-11-19 22:49:36,944 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:49:37,044 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:49:37,045 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 22:49:37,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:37 BoogieIcfgContainer [2024-11-19 22:49:37,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:49:37,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:49:37,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:49:37,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:49:37,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:49:19" (1/3) ... [2024-11-19 22:49:37,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6775c96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:49:37, skipping insertion in model container [2024-11-19 22:49:37,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:23" (2/3) ... [2024-11-19 22:49:37,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6775c96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:49:37, skipping insertion in model container [2024-11-19 22:49:37,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:37" (3/3) ... [2024-11-19 22:49:37,055 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-19 22:49:37,072 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:49:37,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-19 22:49:37,283 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:49:37,290 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;@41001b37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:49:37,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-11-19 22:49:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 6183 states, 6163 states have (on average 1.8075612526367029) internal successors, (11140), 6182 states have internal predecessors, (11140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:37,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 22:49:37,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:49:37,375 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] [2024-11-19 22:49:37,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:49:37,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:49:37,381 INFO L85 PathProgramCache]: Analyzing trace with hash 642976960, now seen corresponding path program 1 times [2024-11-19 22:49:37,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:49:37,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029008705] [2024-11-19 22:49:37,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:49:37,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:49:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:49:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:49:38,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:49:38,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029008705] [2024-11-19 22:49:38,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029008705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:49:38,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:49:38,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:49:38,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264691179] [2024-11-19 22:49:38,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:49:38,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:49:38,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:49:38,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:49:38,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:49:38,371 INFO L87 Difference]: Start difference. First operand has 6183 states, 6163 states have (on average 1.8075612526367029) internal successors, (11140), 6182 states have internal predecessors, (11140), 0 states have call successors, (0), 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 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:42,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:49:42,951 INFO L93 Difference]: Finished difference Result 9223 states and 16402 transitions. [2024-11-19 22:49:42,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:49:42,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-19 22:49:42,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:49:42,993 INFO L225 Difference]: With dead ends: 9223 [2024-11-19 22:49:42,994 INFO L226 Difference]: Without dead ends: 5815 [2024-11-19 22:49:43,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:49:43,008 INFO L432 NwaCegarLoop]: 4776 mSDtfsCounter, 29236 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 4688 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29236 SdHoareTripleChecker+Valid, 5738 SdHoareTripleChecker+Invalid, 4751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:49:43,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29236 Valid, 5738 Invalid, 4751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 4688 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-19 22:49:43,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5815 states. [2024-11-19 22:49:43,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5815 to 5785. [2024-11-19 22:49:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5785 states, 5766 states have (on average 1.3331599028789456) internal successors, (7687), 5784 states have internal predecessors, (7687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:43,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 7687 transitions. [2024-11-19 22:49:43,195 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 7687 transitions. Word has length 77 [2024-11-19 22:49:43,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:49:43,196 INFO L471 AbstractCegarLoop]: Abstraction has 5785 states and 7687 transitions. [2024-11-19 22:49:43,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 7687 transitions. [2024-11-19 22:49:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 22:49:43,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:49:43,295 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:49:43,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:49:43,295 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:49:43,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:49:43,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1955930775, now seen corresponding path program 1 times [2024-11-19 22:49:43,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:49:43,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920155642] [2024-11-19 22:49:43,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:49:43,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:49:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:49:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:49:44,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:49:44,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920155642] [2024-11-19 22:49:44,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920155642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:49:44,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:49:44,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:49:44,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387708544] [2024-11-19 22:49:44,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:49:44,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:49:44,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:49:44,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:49:44,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:49:44,053 INFO L87 Difference]: Start difference. First operand 5785 states and 7687 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:49:50,776 INFO L93 Difference]: Finished difference Result 6282 states and 8361 transitions. [2024-11-19 22:49:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:49:50,776 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-19 22:49:50,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:49:50,799 INFO L225 Difference]: With dead ends: 6282 [2024-11-19 22:49:50,799 INFO L226 Difference]: Without dead ends: 6277 [2024-11-19 22:49:50,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:49:50,803 INFO L432 NwaCegarLoop]: 3022 mSDtfsCounter, 15643 mSDsluCounter, 9123 mSDsCounter, 0 mSdLazyCounter, 13888 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15643 SdHoareTripleChecker+Valid, 12145 SdHoareTripleChecker+Invalid, 13949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 13888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:49:50,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15643 Valid, 12145 Invalid, 13949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [61 Valid, 13888 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-19 22:49:50,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6277 states. [2024-11-19 22:49:50,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6277 to 5785. [2024-11-19 22:49:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5785 states, 5766 states have (on average 1.3329864724245577) internal successors, (7686), 5784 states have internal predecessors, (7686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 7686 transitions. [2024-11-19 22:49:50,920 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 7686 transitions. Word has length 78 [2024-11-19 22:49:50,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:49:50,921 INFO L471 AbstractCegarLoop]: Abstraction has 5785 states and 7686 transitions. [2024-11-19 22:49:50,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 7686 transitions. [2024-11-19 22:49:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 22:49:50,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:49:50,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:49:50,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:49:50,933 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:49:50,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:49:50,934 INFO L85 PathProgramCache]: Analyzing trace with hash 2136533534, now seen corresponding path program 1 times [2024-11-19 22:49:50,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:49:50,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242229481] [2024-11-19 22:49:50,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:49:50,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:49:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:49:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:49:51,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:49:51,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242229481] [2024-11-19 22:49:51,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242229481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:49:51,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:49:51,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:49:51,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586555622] [2024-11-19 22:49:51,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:49:51,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:49:51,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:49:51,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:49:51,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:49:51,180 INFO L87 Difference]: Start difference. First operand 5785 states and 7686 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:54,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:49:54,853 INFO L93 Difference]: Finished difference Result 11480 states and 15434 transitions. [2024-11-19 22:49:54,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:49:54,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-19 22:49:54,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:49:54,878 INFO L225 Difference]: With dead ends: 11480 [2024-11-19 22:49:54,878 INFO L226 Difference]: Without dead ends: 7760 [2024-11-19 22:49:54,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:49:54,886 INFO L432 NwaCegarLoop]: 2954 mSDtfsCounter, 23497 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 4727 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23497 SdHoareTripleChecker+Valid, 3936 SdHoareTripleChecker+Invalid, 4814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 4727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:49:54,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23497 Valid, 3936 Invalid, 4814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 4727 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-19 22:49:54,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7760 states. [2024-11-19 22:49:55,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7760 to 7736. [2024-11-19 22:49:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7736 states, 7717 states have (on average 1.3389918362057796) internal successors, (10333), 7735 states have internal predecessors, (10333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:55,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7736 states to 7736 states and 10333 transitions. [2024-11-19 22:49:55,040 INFO L78 Accepts]: Start accepts. Automaton has 7736 states and 10333 transitions. Word has length 78 [2024-11-19 22:49:55,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:49:55,041 INFO L471 AbstractCegarLoop]: Abstraction has 7736 states and 10333 transitions. [2024-11-19 22:49:55,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:55,041 INFO L276 IsEmpty]: Start isEmpty. Operand 7736 states and 10333 transitions. [2024-11-19 22:49:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-19 22:49:55,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:49:55,055 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] [2024-11-19 22:49:55,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:49:55,055 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:49:55,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:49:55,056 INFO L85 PathProgramCache]: Analyzing trace with hash 816480341, now seen corresponding path program 1 times [2024-11-19 22:49:55,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:49:55,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143868709] [2024-11-19 22:49:55,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:49:55,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:49:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:49:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:49:55,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:49:55,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143868709] [2024-11-19 22:49:55,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143868709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:49:55,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:49:55,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:49:55,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689458531] [2024-11-19 22:49:55,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:49:55,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:49:55,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:49:55,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:49:55,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:49:55,263 INFO L87 Difference]: Start difference. First operand 7736 states and 10333 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 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) [2024-11-19 22:49:58,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:49:58,448 INFO L93 Difference]: Finished difference Result 15140 states and 20342 transitions. [2024-11-19 22:49:58,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:49:58,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 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 [2024-11-19 22:49:58,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:49:58,479 INFO L225 Difference]: With dead ends: 15140 [2024-11-19 22:49:58,480 INFO L226 Difference]: Without dead ends: 9760 [2024-11-19 22:49:58,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:49:58,489 INFO L432 NwaCegarLoop]: 2860 mSDtfsCounter, 21329 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 4093 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21329 SdHoareTripleChecker+Valid, 3626 SdHoareTripleChecker+Invalid, 4261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 4093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:49:58,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21329 Valid, 3626 Invalid, 4261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 4093 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-19 22:49:58,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9760 states. [2024-11-19 22:49:58,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9760 to 9734. [2024-11-19 22:49:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9734 states, 9715 states have (on average 1.3288728769943388) internal successors, (12910), 9733 states have internal predecessors, (12910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:49:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9734 states to 9734 states and 12910 transitions. [2024-11-19 22:49:58,673 INFO L78 Accepts]: Start accepts. Automaton has 9734 states and 12910 transitions. Word has length 79 [2024-11-19 22:49:58,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:49:58,673 INFO L471 AbstractCegarLoop]: Abstraction has 9734 states and 12910 transitions. [2024-11-19 22:49:58,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 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) [2024-11-19 22:49:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 9734 states and 12910 transitions. [2024-11-19 22:49:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-19 22:49:58,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:49:58,686 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] [2024-11-19 22:49:58,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:49:58,686 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:49:58,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:49:58,687 INFO L85 PathProgramCache]: Analyzing trace with hash 42417281, now seen corresponding path program 1 times [2024-11-19 22:49:58,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:49:58,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165234926] [2024-11-19 22:49:58,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:49:58,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:49:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:49:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:49:59,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:49:59,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165234926] [2024-11-19 22:49:59,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165234926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:49:59,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:49:59,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 22:49:59,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038745250] [2024-11-19 22:49:59,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:49:59,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 22:49:59,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:49:59,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 22:49:59,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:49:59,795 INFO L87 Difference]: Start difference. First operand 9734 states and 12910 transitions. Second operand has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 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) [2024-11-19 22:50:03,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:50:03,379 INFO L93 Difference]: Finished difference Result 16581 states and 22679 transitions. [2024-11-19 22:50:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 22:50:03,379 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 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 [2024-11-19 22:50:03,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:50:03,411 INFO L225 Difference]: With dead ends: 16581 [2024-11-19 22:50:03,412 INFO L226 Difference]: Without dead ends: 16573 [2024-11-19 22:50:03,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-19 22:50:03,424 INFO L432 NwaCegarLoop]: 5906 mSDtfsCounter, 44712 mSDsluCounter, 33458 mSDsCounter, 0 mSdLazyCounter, 4765 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44712 SdHoareTripleChecker+Valid, 39364 SdHoareTripleChecker+Invalid, 4821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 4765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:50:03,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44712 Valid, 39364 Invalid, 4821 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [56 Valid, 4765 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-19 22:50:03,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16573 states. [2024-11-19 22:50:03,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16573 to 9726. [2024-11-19 22:50:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9726 states, 9708 states have (on average 1.3290070045323445) internal successors, (12902), 9725 states have internal predecessors, (12902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9726 states to 9726 states and 12902 transitions. [2024-11-19 22:50:03,721 INFO L78 Accepts]: Start accepts. Automaton has 9726 states and 12902 transitions. Word has length 79 [2024-11-19 22:50:03,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:50:03,723 INFO L471 AbstractCegarLoop]: Abstraction has 9726 states and 12902 transitions. [2024-11-19 22:50:03,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 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) [2024-11-19 22:50:03,723 INFO L276 IsEmpty]: Start isEmpty. Operand 9726 states and 12902 transitions. [2024-11-19 22:50:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-19 22:50:03,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:50:03,737 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] [2024-11-19 22:50:03,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:50:03,742 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:50:03,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:50:03,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1994039540, now seen corresponding path program 1 times [2024-11-19 22:50:03,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:50:03,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619485107] [2024-11-19 22:50:03,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:50:03,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:50:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:50:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:50:03,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:50:03,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619485107] [2024-11-19 22:50:03,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619485107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:50:03,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:50:03,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:50:03,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514052115] [2024-11-19 22:50:03,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:50:03,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:50:03,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:50:03,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:50:03,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:50:03,947 INFO L87 Difference]: Start difference. First operand 9726 states and 12902 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 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) [2024-11-19 22:50:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:50:06,600 INFO L93 Difference]: Finished difference Result 17851 states and 23937 transitions. [2024-11-19 22:50:06,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:50:06,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 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 [2024-11-19 22:50:06,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:50:06,622 INFO L225 Difference]: With dead ends: 17851 [2024-11-19 22:50:06,622 INFO L226 Difference]: Without dead ends: 11721 [2024-11-19 22:50:06,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:50:06,634 INFO L432 NwaCegarLoop]: 2427 mSDtfsCounter, 17777 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 3321 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17777 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 3366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:50:06,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17777 Valid, 3189 Invalid, 3366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3321 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-19 22:50:06,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11721 states. [2024-11-19 22:50:06,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11721 to 11692. [2024-11-19 22:50:06,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11692 states, 11674 states have (on average 1.3539489463765633) internal successors, (15806), 11691 states have internal predecessors, (15806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11692 states to 11692 states and 15806 transitions. [2024-11-19 22:50:06,933 INFO L78 Accepts]: Start accepts. Automaton has 11692 states and 15806 transitions. Word has length 79 [2024-11-19 22:50:06,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:50:06,933 INFO L471 AbstractCegarLoop]: Abstraction has 11692 states and 15806 transitions. [2024-11-19 22:50:06,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 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) [2024-11-19 22:50:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 11692 states and 15806 transitions. [2024-11-19 22:50:06,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-19 22:50:06,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:50:06,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:50:06,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:50:06,945 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:50:06,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:50:06,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1428801169, now seen corresponding path program 1 times [2024-11-19 22:50:06,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:50:06,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932610187] [2024-11-19 22:50:06,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:50:06,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:50:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:50:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:50:07,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:50:07,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932610187] [2024-11-19 22:50:07,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932610187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:50:07,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:50:07,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 22:50:07,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024891570] [2024-11-19 22:50:07,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:50:07,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 22:50:07,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:50:07,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 22:50:07,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:50:07,515 INFO L87 Difference]: Start difference. First operand 11692 states and 15806 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:14,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:50:14,050 INFO L93 Difference]: Finished difference Result 16055 states and 22029 transitions. [2024-11-19 22:50:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:50:14,050 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-19 22:50:14,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:50:14,069 INFO L225 Difference]: With dead ends: 16055 [2024-11-19 22:50:14,070 INFO L226 Difference]: Without dead ends: 14332 [2024-11-19 22:50:14,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-19 22:50:14,078 INFO L432 NwaCegarLoop]: 2356 mSDtfsCounter, 20934 mSDsluCounter, 11656 mSDsCounter, 0 mSdLazyCounter, 15566 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20934 SdHoareTripleChecker+Valid, 14012 SdHoareTripleChecker+Invalid, 15576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 15566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:50:14,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20934 Valid, 14012 Invalid, 15576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 15566 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-19 22:50:14,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14332 states. [2024-11-19 22:50:14,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14332 to 11699. [2024-11-19 22:50:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11699 states, 11681 states have (on average 1.3537368375995207) internal successors, (15813), 11698 states have internal predecessors, (15813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:14,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11699 states to 11699 states and 15813 transitions. [2024-11-19 22:50:14,290 INFO L78 Accepts]: Start accepts. Automaton has 11699 states and 15813 transitions. Word has length 80 [2024-11-19 22:50:14,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:50:14,292 INFO L471 AbstractCegarLoop]: Abstraction has 11699 states and 15813 transitions. [2024-11-19 22:50:14,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 11699 states and 15813 transitions. [2024-11-19 22:50:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-19 22:50:14,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:50:14,303 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:50:14,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 22:50:14,303 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:50:14,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:50:14,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1294381398, now seen corresponding path program 1 times [2024-11-19 22:50:14,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:50:14,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520021670] [2024-11-19 22:50:14,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:50:14,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:50:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:50:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:50:14,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:50:14,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520021670] [2024-11-19 22:50:14,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520021670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:50:14,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:50:14,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:50:14,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854603999] [2024-11-19 22:50:14,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:50:14,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:50:14,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:50:14,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:50:14,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:50:14,468 INFO L87 Difference]: Start difference. First operand 11699 states and 15813 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:17,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:50:17,059 INFO L93 Difference]: Finished difference Result 23220 states and 31550 transitions. [2024-11-19 22:50:17,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:50:17,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-19 22:50:17,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:50:17,077 INFO L225 Difference]: With dead ends: 23220 [2024-11-19 22:50:17,078 INFO L226 Difference]: Without dead ends: 15844 [2024-11-19 22:50:17,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:50:17,088 INFO L432 NwaCegarLoop]: 2093 mSDtfsCounter, 15570 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 2945 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15570 SdHoareTripleChecker+Valid, 2815 SdHoareTripleChecker+Invalid, 3005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:50:17,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15570 Valid, 2815 Invalid, 3005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2945 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-19 22:50:17,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15844 states. [2024-11-19 22:50:17,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15844 to 15824. [2024-11-19 22:50:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15824 states, 15806 states have (on average 1.3551815766164748) internal successors, (21420), 15823 states have internal predecessors, (21420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15824 states to 15824 states and 21420 transitions. [2024-11-19 22:50:17,313 INFO L78 Accepts]: Start accepts. Automaton has 15824 states and 21420 transitions. Word has length 80 [2024-11-19 22:50:17,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:50:17,313 INFO L471 AbstractCegarLoop]: Abstraction has 15824 states and 21420 transitions. [2024-11-19 22:50:17,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 15824 states and 21420 transitions. [2024-11-19 22:50:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 22:50:17,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:50:17,325 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:50:17,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 22:50:17,325 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:50:17,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:50:17,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1633622625, now seen corresponding path program 1 times [2024-11-19 22:50:17,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:50:17,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979299027] [2024-11-19 22:50:17,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:50:17,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:50:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:50:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:50:17,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:50:17,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979299027] [2024-11-19 22:50:17,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979299027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:50:17,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:50:17,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:50:17,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938234674] [2024-11-19 22:50:17,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:50:17,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:50:17,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:50:17,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:50:17,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:50:17,531 INFO L87 Difference]: Start difference. First operand 15824 states and 21420 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:50:18,011 INFO L93 Difference]: Finished difference Result 31749 states and 43433 transitions. [2024-11-19 22:50:18,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:50:18,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 22:50:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:50:18,035 INFO L225 Difference]: With dead ends: 31749 [2024-11-19 22:50:18,035 INFO L226 Difference]: Without dead ends: 19509 [2024-11-19 22:50:18,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:50:18,051 INFO L432 NwaCegarLoop]: 3952 mSDtfsCounter, 3993 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3993 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:50:18,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3993 Valid, 5148 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 22:50:18,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19509 states. [2024-11-19 22:50:18,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19509 to 19482. [2024-11-19 22:50:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19482 states, 19464 states have (on average 1.3550143855322647) internal successors, (26374), 19481 states have internal predecessors, (26374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19482 states to 19482 states and 26374 transitions. [2024-11-19 22:50:18,390 INFO L78 Accepts]: Start accepts. Automaton has 19482 states and 26374 transitions. Word has length 81 [2024-11-19 22:50:18,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:50:18,391 INFO L471 AbstractCegarLoop]: Abstraction has 19482 states and 26374 transitions. [2024-11-19 22:50:18,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 19482 states and 26374 transitions. [2024-11-19 22:50:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 22:50:18,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:50:18,409 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:50:18,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 22:50:18,410 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:50:18,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:50:18,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1819290860, now seen corresponding path program 1 times [2024-11-19 22:50:18,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:50:18,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438633184] [2024-11-19 22:50:18,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:50:18,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:50:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:50:19,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:50:19,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:50:19,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438633184] [2024-11-19 22:50:19,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438633184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:50:19,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:50:19,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 22:50:19,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958211297] [2024-11-19 22:50:19,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:50:19,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 22:50:19,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:50:19,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 22:50:19,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:50:19,370 INFO L87 Difference]: Start difference. First operand 19482 states and 26374 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:22,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:50:22,197 INFO L93 Difference]: Finished difference Result 28694 states and 40087 transitions. [2024-11-19 22:50:22,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 22:50:22,197 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 22:50:22,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:50:22,233 INFO L225 Difference]: With dead ends: 28694 [2024-11-19 22:50:22,233 INFO L226 Difference]: Without dead ends: 28690 [2024-11-19 22:50:22,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-19 22:50:22,245 INFO L432 NwaCegarLoop]: 3766 mSDtfsCounter, 21376 mSDsluCounter, 23396 mSDsCounter, 0 mSdLazyCounter, 4342 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21376 SdHoareTripleChecker+Valid, 27162 SdHoareTripleChecker+Invalid, 4387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 4342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:50:22,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21376 Valid, 27162 Invalid, 4387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [45 Valid, 4342 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-19 22:50:22,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28690 states. [2024-11-19 22:50:22,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28690 to 19478. [2024-11-19 22:50:22,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19478 states, 19461 states have (on average 1.3550177277632187) internal successors, (26370), 19477 states have internal predecessors, (26370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19478 states to 19478 states and 26370 transitions. [2024-11-19 22:50:22,507 INFO L78 Accepts]: Start accepts. Automaton has 19478 states and 26370 transitions. Word has length 81 [2024-11-19 22:50:22,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:50:22,507 INFO L471 AbstractCegarLoop]: Abstraction has 19478 states and 26370 transitions. [2024-11-19 22:50:22,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 19478 states and 26370 transitions. [2024-11-19 22:50:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 22:50:22,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:50:22,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:50:22,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 22:50:22,519 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:50:22,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:50:22,520 INFO L85 PathProgramCache]: Analyzing trace with hash 153905521, now seen corresponding path program 1 times [2024-11-19 22:50:22,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:50:22,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777085069] [2024-11-19 22:50:22,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:50:22,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:50:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:50:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:50:22,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:50:22,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777085069] [2024-11-19 22:50:22,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777085069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:50:22,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:50:22,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:50:22,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616135363] [2024-11-19 22:50:22,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:50:22,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:50:22,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:50:22,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:50:22,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:50:22,904 INFO L87 Difference]: Start difference. First operand 19478 states and 26370 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:27,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:50:27,040 INFO L93 Difference]: Finished difference Result 24781 states and 33760 transitions. [2024-11-19 22:50:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:50:27,040 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 22:50:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:50:27,068 INFO L225 Difference]: With dead ends: 24781 [2024-11-19 22:50:27,068 INFO L226 Difference]: Without dead ends: 24773 [2024-11-19 22:50:27,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-19 22:50:27,078 INFO L432 NwaCegarLoop]: 2082 mSDtfsCounter, 21592 mSDsluCounter, 6630 mSDsCounter, 0 mSdLazyCounter, 8737 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21592 SdHoareTripleChecker+Valid, 8712 SdHoareTripleChecker+Invalid, 8779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 8737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:50:27,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21592 Valid, 8712 Invalid, 8779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 8737 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-19 22:50:27,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24773 states. [2024-11-19 22:50:27,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24773 to 19478. [2024-11-19 22:50:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19478 states, 19461 states have (on average 1.354966342942295) internal successors, (26369), 19477 states have internal predecessors, (26369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19478 states to 19478 states and 26369 transitions. [2024-11-19 22:50:27,407 INFO L78 Accepts]: Start accepts. Automaton has 19478 states and 26369 transitions. Word has length 81 [2024-11-19 22:50:27,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:50:27,407 INFO L471 AbstractCegarLoop]: Abstraction has 19478 states and 26369 transitions. [2024-11-19 22:50:27,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:50:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 19478 states and 26369 transitions. [2024-11-19 22:50:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-19 22:50:27,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:50:27,417 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:50:27,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 22:50:27,417 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2024-11-19 22:50:27,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:50:27,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1262373862, now seen corresponding path program 1 times [2024-11-19 22:50:27,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:50:27,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066158432] [2024-11-19 22:50:27,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:50:27,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:50:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:50:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:50:27,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:50:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066158432] [2024-11-19 22:50:27,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066158432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:50:27,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:50:27,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 22:50:27,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657699811] [2024-11-19 22:50:27,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:50:27,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 22:50:27,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:50:27,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 22:50:27,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:50:27,852 INFO L87 Difference]: Start difference. First operand 19478 states and 26369 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)