./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.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 d0e47ba9123028218b420ce8d5a00a95c55595f981ba1193a1a3a9086d3ecf65 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 20:22:52,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 20:22:52,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 20:22:52,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 20:22:52,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 20:22:53,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 20:22:53,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 20:22:53,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 20:22:53,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 20:22:53,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 20:22:53,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 20:22:53,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 20:22:53,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 20:22:53,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 20:22:53,035 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 20:22:53,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 20:22:53,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 20:22:53,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 20:22:53,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 20:22:53,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 20:22:53,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 20:22:53,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 20:22:53,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 20:22:53,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 20:22:53,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 20:22:53,042 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 20:22:53,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 20:22:53,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 20:22:53,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 20:22:53,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 20:22:53,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 20:22:53,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 20:22:53,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:22:53,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 20:22:53,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 20:22:53,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 20:22:53,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 20:22:53,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 20:22:53,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 20:22:53,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 20:22:53,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 20:22:53,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 20:22:53,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0e47ba9123028218b420ce8d5a00a95c55595f981ba1193a1a3a9086d3ecf65 [2024-10-12 20:22:53,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 20:22:53,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 20:22:53,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 20:22:53,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 20:22:53,320 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 20:22:53,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-10-12 20:22:54,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 20:22:55,332 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 20:22:55,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-10-12 20:22:55,392 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f880f59/7d0ea537b3a14bfa8a2574bb30c7975c/FLAGd61d8ae25 [2024-10-12 20:22:55,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f880f59/7d0ea537b3a14bfa8a2574bb30c7975c [2024-10-12 20:22:55,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 20:22:55,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 20:22:55,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 20:22:55,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 20:22:55,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 20:22:55,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:22:55" (1/1) ... [2024-10-12 20:22:55,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b3eed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:55, skipping insertion in model container [2024-10-12 20:22:55,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:22:55" (1/1) ... [2024-10-12 20:22:55,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 20:22:56,202 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2024-10-12 20:22:56,246 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2024-10-12 20:22:56,332 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2024-10-12 20:22:56,361 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2024-10-12 20:22:56,382 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2024-10-12 20:22:56,412 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2024-10-12 20:22:56,430 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2024-10-12 20:22:56,455 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2024-10-12 20:22:56,540 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2024-10-12 20:22:56,551 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2024-10-12 20:22:56,568 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2024-10-12 20:22:56,597 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2024-10-12 20:22:56,646 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2024-10-12 20:22:56,697 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2024-10-12 20:22:56,746 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2024-10-12 20:22:56,790 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2024-10-12 20:22:56,840 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2024-10-12 20:22:57,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:22:57,076 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 20:22:57,178 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2024-10-12 20:22:57,200 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2024-10-12 20:22:57,278 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2024-10-12 20:22:57,291 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2024-10-12 20:22:57,300 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2024-10-12 20:22:57,317 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2024-10-12 20:22:57,368 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2024-10-12 20:22:57,383 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2024-10-12 20:22:57,432 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2024-10-12 20:22:57,438 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2024-10-12 20:22:57,450 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2024-10-12 20:22:57,459 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2024-10-12 20:22:57,490 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2024-10-12 20:22:57,528 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2024-10-12 20:22:57,564 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2024-10-12 20:22:57,603 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2024-10-12 20:22:57,645 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2024-10-12 20:22:57,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:22:57,886 INFO L204 MainTranslator]: Completed translation [2024-10-12 20:22:57,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57 WrapperNode [2024-10-12 20:22:57,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 20:22:57,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 20:22:57,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 20:22:57,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 20:22:57,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:57,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,220 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19338 [2024-10-12 20:22:58,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 20:22:58,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 20:22:58,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 20:22:58,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 20:22:58,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,388 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,560 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-12 20:22:58,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 20:22:58,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 20:22:58,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 20:22:58,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 20:22:58,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (1/1) ... [2024-10-12 20:22:58,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:22:58,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:22:58,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 20:22:58,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 20:22:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 20:22:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 20:22:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 20:22:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 20:22:59,501 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 20:22:59,502 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 20:23:06,824 INFO L? ?]: Removed 3880 outVars from TransFormulas that were not future-live. [2024-10-12 20:23:06,824 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 20:23:06,970 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 20:23:06,970 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-12 20:23:06,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:23:06 BoogieIcfgContainer [2024-10-12 20:23:06,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 20:23:06,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 20:23:06,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 20:23:06,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 20:23:06,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:22:55" (1/3) ... [2024-10-12 20:23:06,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a86aec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:23:06, skipping insertion in model container [2024-10-12 20:23:06,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:22:57" (2/3) ... [2024-10-12 20:23:06,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a86aec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:23:06, skipping insertion in model container [2024-10-12 20:23:06,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:23:06" (3/3) ... [2024-10-12 20:23:06,980 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-10-12 20:23:06,996 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 20:23:06,996 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-10-12 20:23:07,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 20:23:07,226 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;@27d90409, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 20:23:07,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-10-12 20:23:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 3730 states, 3712 states have (on average 1.78125) internal successors, (6612), 3729 states have internal predecessors, (6612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-12 20:23:07,288 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:07,289 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:07,290 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:07,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash -354004625, now seen corresponding path program 1 times [2024-10-12 20:23:07,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:07,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739113776] [2024-10-12 20:23:07,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:07,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:08,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:08,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739113776] [2024-10-12 20:23:08,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739113776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:08,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:08,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:23:08,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899008131] [2024-10-12 20:23:08,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:08,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:23:08,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:08,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:23:08,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:23:08,190 INFO L87 Difference]: Start difference. First operand has 3730 states, 3712 states have (on average 1.78125) internal successors, (6612), 3729 states have internal predecessors, (6612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:12,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:12,329 INFO L93 Difference]: Finished difference Result 7018 states and 12196 transitions. [2024-10-12 20:23:12,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:23:12,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-10-12 20:23:12,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:12,366 INFO L225 Difference]: With dead ends: 7018 [2024-10-12 20:23:12,366 INFO L226 Difference]: Without dead ends: 4501 [2024-10-12 20:23:12,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:23:12,380 INFO L432 NwaCegarLoop]: 2968 mSDtfsCounter, 20481 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 3529 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20481 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 3664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:12,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20481 Valid, 4254 Invalid, 3664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 3529 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-12 20:23:12,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2024-10-12 20:23:12,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 4476. [2024-10-12 20:23:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4476 states, 4459 states have (on average 1.3018614039022203) internal successors, (5805), 4475 states have internal predecessors, (5805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4476 states and 5805 transitions. [2024-10-12 20:23:12,590 INFO L78 Accepts]: Start accepts. Automaton has 4476 states and 5805 transitions. Word has length 64 [2024-10-12 20:23:12,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:12,590 INFO L471 AbstractCegarLoop]: Abstraction has 4476 states and 5805 transitions. [2024-10-12 20:23:12,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand 4476 states and 5805 transitions. [2024-10-12 20:23:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-12 20:23:12,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:12,601 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:12,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 20:23:12,602 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:12,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:12,603 INFO L85 PathProgramCache]: Analyzing trace with hash 838909937, now seen corresponding path program 1 times [2024-10-12 20:23:12,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:12,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025313761] [2024-10-12 20:23:12,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:12,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:12,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:12,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025313761] [2024-10-12 20:23:12,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025313761] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:12,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:12,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:23:12,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325643687] [2024-10-12 20:23:12,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:12,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:23:12,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:12,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:23:12,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:23:12,897 INFO L87 Difference]: Start difference. First operand 4476 states and 5805 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:15,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:15,435 INFO L93 Difference]: Finished difference Result 8428 states and 10952 transitions. [2024-10-12 20:23:15,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:23:15,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-12 20:23:15,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:15,455 INFO L225 Difference]: With dead ends: 8428 [2024-10-12 20:23:15,456 INFO L226 Difference]: Without dead ends: 5661 [2024-10-12 20:23:15,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:23:15,461 INFO L432 NwaCegarLoop]: 1912 mSDtfsCounter, 13269 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13269 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 2390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:15,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13269 Valid, 2581 Invalid, 2390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-12 20:23:15,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5661 states. [2024-10-12 20:23:15,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5661 to 5631. [2024-10-12 20:23:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5631 states, 5614 states have (on average 1.307445671535447) internal successors, (7340), 5630 states have internal predecessors, (7340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5631 states to 5631 states and 7340 transitions. [2024-10-12 20:23:15,587 INFO L78 Accepts]: Start accepts. Automaton has 5631 states and 7340 transitions. Word has length 65 [2024-10-12 20:23:15,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:15,588 INFO L471 AbstractCegarLoop]: Abstraction has 5631 states and 7340 transitions. [2024-10-12 20:23:15,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5631 states and 7340 transitions. [2024-10-12 20:23:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-12 20:23:15,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:15,599 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:15,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 20:23:15,600 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:15,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:15,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1512929807, now seen corresponding path program 1 times [2024-10-12 20:23:15,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:15,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077854464] [2024-10-12 20:23:15,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:15,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:15,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:15,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077854464] [2024-10-12 20:23:15,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077854464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:15,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:15,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:23:15,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011090702] [2024-10-12 20:23:15,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:15,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:23:15,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:15,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:23:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:23:15,826 INFO L87 Difference]: Start difference. First operand 5631 states and 7340 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:17,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:17,753 INFO L93 Difference]: Finished difference Result 11308 states and 14760 transitions. [2024-10-12 20:23:17,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:23:17,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-12 20:23:17,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:17,780 INFO L225 Difference]: With dead ends: 11308 [2024-10-12 20:23:17,780 INFO L226 Difference]: Without dead ends: 7078 [2024-10-12 20:23:17,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:23:17,790 INFO L432 NwaCegarLoop]: 1610 mSDtfsCounter, 11557 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11557 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:17,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11557 Valid, 2244 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-12 20:23:17,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7078 states. [2024-10-12 20:23:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7078 to 7058. [2024-10-12 20:23:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7058 states, 7041 states have (on average 1.3093310609288453) internal successors, (9219), 7057 states have internal predecessors, (9219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:17,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 9219 transitions. [2024-10-12 20:23:17,946 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 9219 transitions. Word has length 65 [2024-10-12 20:23:17,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:17,948 INFO L471 AbstractCegarLoop]: Abstraction has 7058 states and 9219 transitions. [2024-10-12 20:23:17,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 9219 transitions. [2024-10-12 20:23:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-12 20:23:17,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:17,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:17,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 20:23:17,964 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:17,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:17,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1700677701, now seen corresponding path program 1 times [2024-10-12 20:23:17,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:17,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424110438] [2024-10-12 20:23:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:17,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:18,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:18,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424110438] [2024-10-12 20:23:18,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424110438] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:18,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:18,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:23:18,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065320055] [2024-10-12 20:23:18,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:18,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:23:18,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:18,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:23:18,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:23:18,208 INFO L87 Difference]: Start difference. First operand 7058 states and 9219 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:19,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:19,514 INFO L93 Difference]: Finished difference Result 13776 states and 18168 transitions. [2024-10-12 20:23:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:23:19,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-10-12 20:23:19,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:19,541 INFO L225 Difference]: With dead ends: 13776 [2024-10-12 20:23:19,541 INFO L226 Difference]: Without dead ends: 9202 [2024-10-12 20:23:19,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:23:19,553 INFO L432 NwaCegarLoop]: 1468 mSDtfsCounter, 9715 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9715 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:19,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9715 Valid, 2008 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 20:23:19,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9202 states. [2024-10-12 20:23:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9202 to 9162. [2024-10-12 20:23:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9162 states, 9145 states have (on average 1.323127392017496) internal successors, (12100), 9161 states have internal predecessors, (12100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9162 states to 9162 states and 12100 transitions. [2024-10-12 20:23:19,819 INFO L78 Accepts]: Start accepts. Automaton has 9162 states and 12100 transitions. Word has length 66 [2024-10-12 20:23:19,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:19,819 INFO L471 AbstractCegarLoop]: Abstraction has 9162 states and 12100 transitions. [2024-10-12 20:23:19,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 9162 states and 12100 transitions. [2024-10-12 20:23:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 20:23:19,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:19,827 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:19,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 20:23:19,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:19,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1596749287, now seen corresponding path program 1 times [2024-10-12 20:23:19,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:19,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117401082] [2024-10-12 20:23:19,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:19,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:20,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:20,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117401082] [2024-10-12 20:23:20,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117401082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:20,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:20,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 20:23:20,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240425235] [2024-10-12 20:23:20,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:20,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 20:23:20,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:20,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 20:23:20,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:23:20,320 INFO L87 Difference]: Start difference. First operand 9162 states and 12100 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:22,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:22,606 INFO L93 Difference]: Finished difference Result 12385 states and 16647 transitions. [2024-10-12 20:23:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 20:23:22,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 20:23:22,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:22,630 INFO L225 Difference]: With dead ends: 12385 [2024-10-12 20:23:22,631 INFO L226 Difference]: Without dead ends: 10851 [2024-10-12 20:23:22,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-12 20:23:22,638 INFO L432 NwaCegarLoop]: 1453 mSDtfsCounter, 6336 mSDsluCounter, 3540 mSDsCounter, 0 mSdLazyCounter, 4227 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6336 SdHoareTripleChecker+Valid, 4993 SdHoareTripleChecker+Invalid, 4240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:22,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6336 Valid, 4993 Invalid, 4240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4227 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-12 20:23:22,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10851 states. [2024-10-12 20:23:22,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10851 to 9002. [2024-10-12 20:23:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9002 states, 8985 states have (on average 1.3225375626043405) internal successors, (11883), 9001 states have internal predecessors, (11883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:22,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9002 states to 9002 states and 11883 transitions. [2024-10-12 20:23:22,811 INFO L78 Accepts]: Start accepts. Automaton has 9002 states and 11883 transitions. Word has length 67 [2024-10-12 20:23:22,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:22,812 INFO L471 AbstractCegarLoop]: Abstraction has 9002 states and 11883 transitions. [2024-10-12 20:23:22,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 9002 states and 11883 transitions. [2024-10-12 20:23:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-12 20:23:22,825 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:22,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:22,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 20:23:22,826 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:22,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:22,826 INFO L85 PathProgramCache]: Analyzing trace with hash -738498771, now seen corresponding path program 1 times [2024-10-12 20:23:22,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:22,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510698042] [2024-10-12 20:23:22,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:22,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:23,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:23,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:23,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510698042] [2024-10-12 20:23:23,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510698042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:23,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:23,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:23:23,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103322259] [2024-10-12 20:23:23,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:23,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:23:23,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:23,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:23:23,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:23:23,433 INFO L87 Difference]: Start difference. First operand 9002 states and 11883 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:26,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:26,708 INFO L93 Difference]: Finished difference Result 15295 states and 20627 transitions. [2024-10-12 20:23:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:23:26,709 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-12 20:23:26,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:26,733 INFO L225 Difference]: With dead ends: 15295 [2024-10-12 20:23:26,733 INFO L226 Difference]: Without dead ends: 13883 [2024-10-12 20:23:26,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-12 20:23:26,742 INFO L432 NwaCegarLoop]: 1484 mSDtfsCounter, 11244 mSDsluCounter, 4932 mSDsCounter, 0 mSdLazyCounter, 6482 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11244 SdHoareTripleChecker+Valid, 6416 SdHoareTripleChecker+Invalid, 6608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 6482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:26,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11244 Valid, 6416 Invalid, 6608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 6482 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-12 20:23:26,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13883 states. [2024-10-12 20:23:26,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13883 to 8940. [2024-10-12 20:23:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8940 states, 8923 states have (on average 1.3222010534573574) internal successors, (11798), 8939 states have internal predecessors, (11798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8940 states to 8940 states and 11798 transitions. [2024-10-12 20:23:26,921 INFO L78 Accepts]: Start accepts. Automaton has 8940 states and 11798 transitions. Word has length 67 [2024-10-12 20:23:26,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:26,921 INFO L471 AbstractCegarLoop]: Abstraction has 8940 states and 11798 transitions. [2024-10-12 20:23:26,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 8940 states and 11798 transitions. [2024-10-12 20:23:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 20:23:26,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:26,928 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:26,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 20:23:26,929 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:26,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:26,930 INFO L85 PathProgramCache]: Analyzing trace with hash 757912053, now seen corresponding path program 1 times [2024-10-12 20:23:26,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:26,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10311679] [2024-10-12 20:23:26,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:26,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:27,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:27,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10311679] [2024-10-12 20:23:27,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10311679] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:27,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:27,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-12 20:23:27,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822433958] [2024-10-12 20:23:27,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:27,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-12 20:23:27,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:27,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 20:23:27,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-12 20:23:27,929 INFO L87 Difference]: Start difference. First operand 8940 states and 11798 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:29,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:29,349 INFO L93 Difference]: Finished difference Result 11131 states and 14891 transitions. [2024-10-12 20:23:29,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:23:29,349 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-12 20:23:29,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:29,373 INFO L225 Difference]: With dead ends: 11131 [2024-10-12 20:23:29,373 INFO L226 Difference]: Without dead ends: 11127 [2024-10-12 20:23:29,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-12 20:23:29,380 INFO L432 NwaCegarLoop]: 2468 mSDtfsCounter, 15779 mSDsluCounter, 8672 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15779 SdHoareTripleChecker+Valid, 11140 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:29,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15779 Valid, 11140 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:23:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11127 states. [2024-10-12 20:23:29,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11127 to 8936. [2024-10-12 20:23:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8920 states have (on average 1.3221973094170403) internal successors, (11794), 8935 states have internal predecessors, (11794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:29,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11794 transitions. [2024-10-12 20:23:29,572 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11794 transitions. Word has length 68 [2024-10-12 20:23:29,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:29,573 INFO L471 AbstractCegarLoop]: Abstraction has 8936 states and 11794 transitions. [2024-10-12 20:23:29,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11794 transitions. [2024-10-12 20:23:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 20:23:29,585 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:29,585 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:29,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 20:23:29,586 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:29,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:29,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1434028365, now seen corresponding path program 1 times [2024-10-12 20:23:29,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:29,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111082987] [2024-10-12 20:23:29,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:29,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:30,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:30,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111082987] [2024-10-12 20:23:30,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111082987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:30,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:30,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:23:30,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91977486] [2024-10-12 20:23:30,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:30,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:23:30,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:30,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:23:30,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:23:30,121 INFO L87 Difference]: Start difference. First operand 8936 states and 11794 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:33,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:33,037 INFO L93 Difference]: Finished difference Result 10523 states and 13939 transitions. [2024-10-12 20:23:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:23:33,038 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-12 20:23:33,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:33,050 INFO L225 Difference]: With dead ends: 10523 [2024-10-12 20:23:33,051 INFO L226 Difference]: Without dead ends: 10517 [2024-10-12 20:23:33,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:23:33,055 INFO L432 NwaCegarLoop]: 1475 mSDtfsCounter, 8297 mSDsluCounter, 5817 mSDsCounter, 0 mSdLazyCounter, 5858 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8297 SdHoareTripleChecker+Valid, 7292 SdHoareTripleChecker+Invalid, 5878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 5858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:33,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8297 Valid, 7292 Invalid, 5878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 5858 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-12 20:23:33,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10517 states. [2024-10-12 20:23:33,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10517 to 8936. [2024-10-12 20:23:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8920 states have (on average 1.322085201793722) internal successors, (11793), 8935 states have internal predecessors, (11793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11793 transitions. [2024-10-12 20:23:33,205 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11793 transitions. Word has length 68 [2024-10-12 20:23:33,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:33,205 INFO L471 AbstractCegarLoop]: Abstraction has 8936 states and 11793 transitions. [2024-10-12 20:23:33,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11793 transitions. [2024-10-12 20:23:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 20:23:33,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:33,213 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:33,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 20:23:33,214 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:33,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:33,214 INFO L85 PathProgramCache]: Analyzing trace with hash -896669404, now seen corresponding path program 1 times [2024-10-12 20:23:33,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:33,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288096645] [2024-10-12 20:23:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:33,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:33,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288096645] [2024-10-12 20:23:33,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288096645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:33,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:33,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:23:33,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601888814] [2024-10-12 20:23:33,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:33,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:23:33,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:33,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:23:33,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:23:33,538 INFO L87 Difference]: Start difference. First operand 8936 states and 11793 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:36,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:36,456 INFO L93 Difference]: Finished difference Result 11298 states and 14871 transitions. [2024-10-12 20:23:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:23:36,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-12 20:23:36,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:36,474 INFO L225 Difference]: With dead ends: 11298 [2024-10-12 20:23:36,474 INFO L226 Difference]: Without dead ends: 11289 [2024-10-12 20:23:36,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-12 20:23:36,480 INFO L432 NwaCegarLoop]: 1435 mSDtfsCounter, 10367 mSDsluCounter, 4651 mSDsCounter, 0 mSdLazyCounter, 5388 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10367 SdHoareTripleChecker+Valid, 6086 SdHoareTripleChecker+Invalid, 5440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 5388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:36,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10367 Valid, 6086 Invalid, 5440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 5388 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-12 20:23:36,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11289 states. [2024-10-12 20:23:36,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11289 to 8936. [2024-10-12 20:23:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8920 states have (on average 1.3219730941704035) internal successors, (11792), 8935 states have internal predecessors, (11792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11792 transitions. [2024-10-12 20:23:36,644 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11792 transitions. Word has length 68 [2024-10-12 20:23:36,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:36,645 INFO L471 AbstractCegarLoop]: Abstraction has 8936 states and 11792 transitions. [2024-10-12 20:23:36,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11792 transitions. [2024-10-12 20:23:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-12 20:23:36,653 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:36,653 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:36,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 20:23:36,654 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:36,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:36,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1848914971, now seen corresponding path program 1 times [2024-10-12 20:23:36,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:36,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443937214] [2024-10-12 20:23:36,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:36,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:37,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:37,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443937214] [2024-10-12 20:23:37,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443937214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:37,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:37,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-12 20:23:37,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6759185] [2024-10-12 20:23:37,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:37,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 20:23:37,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:37,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 20:23:37,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-12 20:23:37,245 INFO L87 Difference]: Start difference. First operand 8936 states and 11792 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:38,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:38,685 INFO L93 Difference]: Finished difference Result 11123 states and 14881 transitions. [2024-10-12 20:23:38,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:23:38,686 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-12 20:23:38,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:38,701 INFO L225 Difference]: With dead ends: 11123 [2024-10-12 20:23:38,701 INFO L226 Difference]: Without dead ends: 11119 [2024-10-12 20:23:38,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2024-10-12 20:23:38,707 INFO L432 NwaCegarLoop]: 2467 mSDtfsCounter, 15393 mSDsluCounter, 12065 mSDsCounter, 0 mSdLazyCounter, 1637 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15393 SdHoareTripleChecker+Valid, 14532 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:38,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15393 Valid, 14532 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1637 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:23:38,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11119 states. [2024-10-12 20:23:38,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11119 to 8932. [2024-10-12 20:23:38,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8932 states, 8917 states have (on average 1.321969272176741) internal successors, (11788), 8931 states have internal predecessors, (11788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8932 states to 8932 states and 11788 transitions. [2024-10-12 20:23:38,845 INFO L78 Accepts]: Start accepts. Automaton has 8932 states and 11788 transitions. Word has length 68 [2024-10-12 20:23:38,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:38,845 INFO L471 AbstractCegarLoop]: Abstraction has 8932 states and 11788 transitions. [2024-10-12 20:23:38,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 8932 states and 11788 transitions. [2024-10-12 20:23:38,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-12 20:23:38,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:38,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:38,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-12 20:23:38,853 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:38,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:38,854 INFO L85 PathProgramCache]: Analyzing trace with hash 267145537, now seen corresponding path program 1 times [2024-10-12 20:23:38,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:38,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605467606] [2024-10-12 20:23:38,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:38,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:39,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:39,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605467606] [2024-10-12 20:23:39,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605467606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:39,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:39,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 20:23:39,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107279982] [2024-10-12 20:23:39,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:39,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-12 20:23:39,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:39,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-12 20:23:39,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-12 20:23:39,624 INFO L87 Difference]: Start difference. First operand 8932 states and 11788 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:41,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:41,816 INFO L93 Difference]: Finished difference Result 14853 states and 20042 transitions. [2024-10-12 20:23:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-12 20:23:41,816 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-12 20:23:41,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:41,833 INFO L225 Difference]: With dead ends: 14853 [2024-10-12 20:23:41,833 INFO L226 Difference]: Without dead ends: 14844 [2024-10-12 20:23:41,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-10-12 20:23:41,838 INFO L432 NwaCegarLoop]: 2435 mSDtfsCounter, 17524 mSDsluCounter, 17693 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17524 SdHoareTripleChecker+Valid, 20128 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:41,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17524 Valid, 20128 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2572 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-12 20:23:41,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14844 states. [2024-10-12 20:23:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14844 to 8923. [2024-10-12 20:23:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8923 states, 8909 states have (on average 1.3220338983050848) internal successors, (11778), 8922 states have internal predecessors, (11778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8923 states to 8923 states and 11778 transitions. [2024-10-12 20:23:41,990 INFO L78 Accepts]: Start accepts. Automaton has 8923 states and 11778 transitions. Word has length 69 [2024-10-12 20:23:41,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:41,991 INFO L471 AbstractCegarLoop]: Abstraction has 8923 states and 11778 transitions. [2024-10-12 20:23:41,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 8923 states and 11778 transitions. [2024-10-12 20:23:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-12 20:23:41,998 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:41,998 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:41,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 20:23:41,999 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:41,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:41,999 INFO L85 PathProgramCache]: Analyzing trace with hash 554101842, now seen corresponding path program 1 times [2024-10-12 20:23:41,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:41,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176495818] [2024-10-12 20:23:42,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:42,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:42,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:42,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176495818] [2024-10-12 20:23:42,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176495818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:42,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:42,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-12 20:23:42,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492273700] [2024-10-12 20:23:42,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:42,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-12 20:23:42,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:42,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-12 20:23:42,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-12 20:23:42,738 INFO L87 Difference]: Start difference. First operand 8923 states and 11778 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:46,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:46,042 INFO L93 Difference]: Finished difference Result 20596 states and 28091 transitions. [2024-10-12 20:23:46,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-12 20:23:46,043 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-12 20:23:46,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:46,065 INFO L225 Difference]: With dead ends: 20596 [2024-10-12 20:23:46,066 INFO L226 Difference]: Without dead ends: 20584 [2024-10-12 20:23:46,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=205, Invalid=665, Unknown=0, NotChecked=0, Total=870 [2024-10-12 20:23:46,073 INFO L432 NwaCegarLoop]: 2401 mSDtfsCounter, 22095 mSDsluCounter, 14962 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22095 SdHoareTripleChecker+Valid, 17363 SdHoareTripleChecker+Invalid, 4475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:46,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22095 Valid, 17363 Invalid, 4475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 4359 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-12 20:23:46,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20584 states. [2024-10-12 20:23:46,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20584 to 8916. [2024-10-12 20:23:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8916 states, 8902 states have (on average 1.3221747921815323) internal successors, (11770), 8915 states have internal predecessors, (11770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8916 states to 8916 states and 11770 transitions. [2024-10-12 20:23:46,241 INFO L78 Accepts]: Start accepts. Automaton has 8916 states and 11770 transitions. Word has length 69 [2024-10-12 20:23:46,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:46,242 INFO L471 AbstractCegarLoop]: Abstraction has 8916 states and 11770 transitions. [2024-10-12 20:23:46,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 8916 states and 11770 transitions. [2024-10-12 20:23:46,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-12 20:23:46,249 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:46,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:46,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-12 20:23:46,250 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:46,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:46,250 INFO L85 PathProgramCache]: Analyzing trace with hash -631202535, now seen corresponding path program 1 times [2024-10-12 20:23:46,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:46,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467744162] [2024-10-12 20:23:46,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:46,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:46,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:46,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467744162] [2024-10-12 20:23:46,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467744162] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:46,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:46,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:46,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731912377] [2024-10-12 20:23:46,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:46,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:46,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:46,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:46,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:46,346 INFO L87 Difference]: Start difference. First operand 8916 states and 11770 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:46,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:46,498 INFO L93 Difference]: Finished difference Result 12959 states and 17426 transitions. [2024-10-12 20:23:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:46,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-12 20:23:46,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:46,509 INFO L225 Difference]: With dead ends: 12959 [2024-10-12 20:23:46,509 INFO L226 Difference]: Without dead ends: 8041 [2024-10-12 20:23:46,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:46,516 INFO L432 NwaCegarLoop]: 2047 mSDtfsCounter, 2022 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 2762 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:46,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 2762 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:23:46,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8041 states. [2024-10-12 20:23:46,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8041 to 8022. [2024-10-12 20:23:46,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8022 states, 8012 states have (on average 1.3406140788816774) internal successors, (10741), 8021 states have internal predecessors, (10741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8022 states to 8022 states and 10741 transitions. [2024-10-12 20:23:46,667 INFO L78 Accepts]: Start accepts. Automaton has 8022 states and 10741 transitions. Word has length 69 [2024-10-12 20:23:46,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:46,668 INFO L471 AbstractCegarLoop]: Abstraction has 8022 states and 10741 transitions. [2024-10-12 20:23:46,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 8022 states and 10741 transitions. [2024-10-12 20:23:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:23:46,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:46,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:46,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-12 20:23:46,672 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:46,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:46,673 INFO L85 PathProgramCache]: Analyzing trace with hash 208427501, now seen corresponding path program 1 times [2024-10-12 20:23:46,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:46,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448714897] [2024-10-12 20:23:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:46,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:47,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:47,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448714897] [2024-10-12 20:23:47,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448714897] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:47,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:47,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:23:47,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682457825] [2024-10-12 20:23:47,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:47,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:23:47,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:47,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:23:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:23:47,100 INFO L87 Difference]: Start difference. First operand 8022 states and 10741 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:49,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:49,465 INFO L93 Difference]: Finished difference Result 12471 states and 17042 transitions. [2024-10-12 20:23:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:23:49,466 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:23:49,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:49,476 INFO L225 Difference]: With dead ends: 12471 [2024-10-12 20:23:49,476 INFO L226 Difference]: Without dead ends: 10463 [2024-10-12 20:23:49,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:23:49,480 INFO L432 NwaCegarLoop]: 1160 mSDtfsCounter, 6317 mSDsluCounter, 4757 mSDsCounter, 0 mSdLazyCounter, 5027 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6317 SdHoareTripleChecker+Valid, 5917 SdHoareTripleChecker+Invalid, 5067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 5027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:49,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6317 Valid, 5917 Invalid, 5067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 5027 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-12 20:23:49,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10463 states. [2024-10-12 20:23:49,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10463 to 8022. [2024-10-12 20:23:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8022 states, 8012 states have (on average 1.3404892661008487) internal successors, (10740), 8021 states have internal predecessors, (10740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:49,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8022 states to 8022 states and 10740 transitions. [2024-10-12 20:23:49,582 INFO L78 Accepts]: Start accepts. Automaton has 8022 states and 10740 transitions. Word has length 70 [2024-10-12 20:23:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:49,583 INFO L471 AbstractCegarLoop]: Abstraction has 8022 states and 10740 transitions. [2024-10-12 20:23:49,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 8022 states and 10740 transitions. [2024-10-12 20:23:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:23:49,587 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:49,587 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:49,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-12 20:23:49,588 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:49,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1665056200, now seen corresponding path program 1 times [2024-10-12 20:23:49,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:49,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539201002] [2024-10-12 20:23:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:49,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:49,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:49,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539201002] [2024-10-12 20:23:49,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539201002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:49,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:49,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:23:49,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511252017] [2024-10-12 20:23:49,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:49,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:23:49,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:49,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:23:49,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:23:49,907 INFO L87 Difference]: Start difference. First operand 8022 states and 10740 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:52,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:52,438 INFO L93 Difference]: Finished difference Result 16334 states and 22514 transitions. [2024-10-12 20:23:52,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:23:52,439 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:23:52,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:52,455 INFO L225 Difference]: With dead ends: 16334 [2024-10-12 20:23:52,455 INFO L226 Difference]: Without dead ends: 14257 [2024-10-12 20:23:52,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:23:52,461 INFO L432 NwaCegarLoop]: 1298 mSDtfsCounter, 6263 mSDsluCounter, 4031 mSDsCounter, 0 mSdLazyCounter, 4951 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6263 SdHoareTripleChecker+Valid, 5329 SdHoareTripleChecker+Invalid, 5032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 4951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:52,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6263 Valid, 5329 Invalid, 5032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 4951 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-12 20:23:52,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14257 states. [2024-10-12 20:23:52,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14257 to 8022. [2024-10-12 20:23:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8022 states, 8012 states have (on average 1.34036445332002) internal successors, (10739), 8021 states have internal predecessors, (10739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:52,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8022 states to 8022 states and 10739 transitions. [2024-10-12 20:23:52,651 INFO L78 Accepts]: Start accepts. Automaton has 8022 states and 10739 transitions. Word has length 70 [2024-10-12 20:23:52,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:52,651 INFO L471 AbstractCegarLoop]: Abstraction has 8022 states and 10739 transitions. [2024-10-12 20:23:52,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 8022 states and 10739 transitions. [2024-10-12 20:23:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:23:52,656 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:52,657 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:52,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-12 20:23:52,657 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:52,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:52,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1937924781, now seen corresponding path program 1 times [2024-10-12 20:23:52,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:52,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496269121] [2024-10-12 20:23:52,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:52,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:52,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:52,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496269121] [2024-10-12 20:23:52,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496269121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:52,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:52,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 20:23:52,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611445775] [2024-10-12 20:23:52,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:52,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 20:23:52,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:52,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 20:23:52,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:23:52,972 INFO L87 Difference]: Start difference. First operand 8022 states and 10739 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:54,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:54,573 INFO L93 Difference]: Finished difference Result 12042 states and 16533 transitions. [2024-10-12 20:23:54,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 20:23:54,574 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:23:54,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:54,584 INFO L225 Difference]: With dead ends: 12042 [2024-10-12 20:23:54,584 INFO L226 Difference]: Without dead ends: 9621 [2024-10-12 20:23:54,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-12 20:23:54,589 INFO L432 NwaCegarLoop]: 1161 mSDtfsCounter, 7361 mSDsluCounter, 2688 mSDsCounter, 0 mSdLazyCounter, 3097 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7361 SdHoareTripleChecker+Valid, 3849 SdHoareTripleChecker+Invalid, 3106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:54,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7361 Valid, 3849 Invalid, 3106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 3097 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-12 20:23:54,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9621 states. [2024-10-12 20:23:54,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9621 to 8022. [2024-10-12 20:23:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8022 states, 8012 states have (on average 1.3402396405391912) internal successors, (10738), 8021 states have internal predecessors, (10738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8022 states to 8022 states and 10738 transitions. [2024-10-12 20:23:54,674 INFO L78 Accepts]: Start accepts. Automaton has 8022 states and 10738 transitions. Word has length 70 [2024-10-12 20:23:54,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:54,674 INFO L471 AbstractCegarLoop]: Abstraction has 8022 states and 10738 transitions. [2024-10-12 20:23:54,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 8022 states and 10738 transitions. [2024-10-12 20:23:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-12 20:23:54,679 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:54,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:54,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-12 20:23:54,679 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:54,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:54,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1770122057, now seen corresponding path program 1 times [2024-10-12 20:23:54,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:54,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236532403] [2024-10-12 20:23:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:54,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:54,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:54,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:54,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236532403] [2024-10-12 20:23:54,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236532403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:54,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:54,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:54,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436136851] [2024-10-12 20:23:54,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:54,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:54,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:54,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:54,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:54,772 INFO L87 Difference]: Start difference. First operand 8022 states and 10738 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:54,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:54,947 INFO L93 Difference]: Finished difference Result 12804 states and 17460 transitions. [2024-10-12 20:23:54,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:54,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-10-12 20:23:54,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:54,957 INFO L225 Difference]: With dead ends: 12804 [2024-10-12 20:23:54,958 INFO L226 Difference]: Without dead ends: 7708 [2024-10-12 20:23:54,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:54,965 INFO L432 NwaCegarLoop]: 1640 mSDtfsCounter, 1618 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:54,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 2173 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:23:54,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7708 states. [2024-10-12 20:23:55,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7708 to 7700. [2024-10-12 20:23:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7700 states, 7693 states have (on average 1.360847523722865) internal successors, (10469), 7699 states have internal predecessors, (10469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7700 states to 7700 states and 10469 transitions. [2024-10-12 20:23:55,059 INFO L78 Accepts]: Start accepts. Automaton has 7700 states and 10469 transitions. Word has length 70 [2024-10-12 20:23:55,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:55,060 INFO L471 AbstractCegarLoop]: Abstraction has 7700 states and 10469 transitions. [2024-10-12 20:23:55,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 7700 states and 10469 transitions. [2024-10-12 20:23:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-12 20:23:55,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:55,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:55,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-12 20:23:55,069 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:55,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:55,070 INFO L85 PathProgramCache]: Analyzing trace with hash 546797367, now seen corresponding path program 1 times [2024-10-12 20:23:55,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:55,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399476987] [2024-10-12 20:23:55,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:55,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:55,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:55,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399476987] [2024-10-12 20:23:55,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399476987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:55,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:55,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:55,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287594854] [2024-10-12 20:23:55,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:55,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:55,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:55,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:55,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:55,169 INFO L87 Difference]: Start difference. First operand 7700 states and 10469 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:55,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:55,297 INFO L93 Difference]: Finished difference Result 15860 states and 22113 transitions. [2024-10-12 20:23:55,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:55,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-12 20:23:55,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:55,312 INFO L225 Difference]: With dead ends: 15860 [2024-10-12 20:23:55,313 INFO L226 Difference]: Without dead ends: 11857 [2024-10-12 20:23:55,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:55,321 INFO L432 NwaCegarLoop]: 1813 mSDtfsCounter, 1070 mSDsluCounter, 1349 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 3162 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:55,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 3162 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:23:55,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11857 states. [2024-10-12 20:23:55,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11857 to 11849. [2024-10-12 20:23:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11849 states, 11842 states have (on average 1.369954399594663) internal successors, (16223), 11848 states have internal predecessors, (16223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11849 states to 11849 states and 16223 transitions. [2024-10-12 20:23:55,467 INFO L78 Accepts]: Start accepts. Automaton has 11849 states and 16223 transitions. Word has length 71 [2024-10-12 20:23:55,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:55,467 INFO L471 AbstractCegarLoop]: Abstraction has 11849 states and 16223 transitions. [2024-10-12 20:23:55,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 11849 states and 16223 transitions. [2024-10-12 20:23:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-12 20:23:55,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:55,473 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:55,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-12 20:23:55,473 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:55,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:55,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1939459057, now seen corresponding path program 1 times [2024-10-12 20:23:55,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:55,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939032362] [2024-10-12 20:23:55,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:55,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:55,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939032362] [2024-10-12 20:23:55,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939032362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:55,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:55,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:55,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989534657] [2024-10-12 20:23:55,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:55,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:55,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:55,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:55,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:55,586 INFO L87 Difference]: Start difference. First operand 11849 states and 16223 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:55,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:55,689 INFO L93 Difference]: Finished difference Result 20375 states and 29016 transitions. [2024-10-12 20:23:55,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:55,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-12 20:23:55,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:55,708 INFO L225 Difference]: With dead ends: 20375 [2024-10-12 20:23:55,708 INFO L226 Difference]: Without dead ends: 13950 [2024-10-12 20:23:55,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:55,719 INFO L432 NwaCegarLoop]: 1717 mSDtfsCounter, 1031 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 2449 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:55,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 2449 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 20:23:55,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13950 states. [2024-10-12 20:23:55,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13950 to 11240. [2024-10-12 20:23:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11240 states, 11233 states have (on average 1.3954420012463278) internal successors, (15675), 11239 states have internal predecessors, (15675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11240 states to 11240 states and 15675 transitions. [2024-10-12 20:23:55,952 INFO L78 Accepts]: Start accepts. Automaton has 11240 states and 15675 transitions. Word has length 71 [2024-10-12 20:23:55,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:55,952 INFO L471 AbstractCegarLoop]: Abstraction has 11240 states and 15675 transitions. [2024-10-12 20:23:55,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 11240 states and 15675 transitions. [2024-10-12 20:23:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-12 20:23:55,957 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:55,957 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:55,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-12 20:23:55,957 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:55,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:55,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1009351057, now seen corresponding path program 1 times [2024-10-12 20:23:55,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:55,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342963062] [2024-10-12 20:23:55,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:55,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:56,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:56,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342963062] [2024-10-12 20:23:56,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342963062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:56,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:56,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:56,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082710247] [2024-10-12 20:23:56,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:56,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:56,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:56,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:56,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:56,083 INFO L87 Difference]: Start difference. First operand 11240 states and 15675 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:56,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:56,246 INFO L93 Difference]: Finished difference Result 25992 states and 36960 transitions. [2024-10-12 20:23:56,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:56,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-12 20:23:56,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:56,265 INFO L225 Difference]: With dead ends: 25992 [2024-10-12 20:23:56,265 INFO L226 Difference]: Without dead ends: 17822 [2024-10-12 20:23:56,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:56,277 INFO L432 NwaCegarLoop]: 1872 mSDtfsCounter, 946 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:56,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 3130 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:23:56,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17822 states. [2024-10-12 20:23:56,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17822 to 17814. [2024-10-12 20:23:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17814 states, 17807 states have (on average 1.3937215701690346) internal successors, (24818), 17813 states have internal predecessors, (24818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17814 states to 17814 states and 24818 transitions. [2024-10-12 20:23:56,516 INFO L78 Accepts]: Start accepts. Automaton has 17814 states and 24818 transitions. Word has length 71 [2024-10-12 20:23:56,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:56,516 INFO L471 AbstractCegarLoop]: Abstraction has 17814 states and 24818 transitions. [2024-10-12 20:23:56,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 17814 states and 24818 transitions. [2024-10-12 20:23:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-12 20:23:56,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:56,523 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:56,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-12 20:23:56,524 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:56,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:56,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1569860402, now seen corresponding path program 1 times [2024-10-12 20:23:56,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:56,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789286841] [2024-10-12 20:23:56,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:56,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:56,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:56,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789286841] [2024-10-12 20:23:56,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789286841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:56,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:56,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:56,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692538169] [2024-10-12 20:23:56,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:56,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:56,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:56,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:56,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:56,646 INFO L87 Difference]: Start difference. First operand 17814 states and 24818 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:56,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:56,954 INFO L93 Difference]: Finished difference Result 35344 states and 49946 transitions. [2024-10-12 20:23:56,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:56,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-10-12 20:23:56,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:56,983 INFO L225 Difference]: With dead ends: 35344 [2024-10-12 20:23:56,983 INFO L226 Difference]: Without dead ends: 19410 [2024-10-12 20:23:57,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:57,004 INFO L432 NwaCegarLoop]: 1580 mSDtfsCounter, 1333 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:57,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 2182 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 20:23:57,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19410 states. [2024-10-12 20:23:57,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19410 to 15556. [2024-10-12 20:23:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15556 states, 15549 states have (on average 1.411923596372757) internal successors, (21954), 15555 states have internal predecessors, (21954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15556 states to 15556 states and 21954 transitions. [2024-10-12 20:23:57,177 INFO L78 Accepts]: Start accepts. Automaton has 15556 states and 21954 transitions. Word has length 72 [2024-10-12 20:23:57,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:57,178 INFO L471 AbstractCegarLoop]: Abstraction has 15556 states and 21954 transitions. [2024-10-12 20:23:57,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 15556 states and 21954 transitions. [2024-10-12 20:23:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-12 20:23:57,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:57,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:57,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-12 20:23:57,181 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:57,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:57,182 INFO L85 PathProgramCache]: Analyzing trace with hash -620993132, now seen corresponding path program 1 times [2024-10-12 20:23:57,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:57,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482443675] [2024-10-12 20:23:57,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:57,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:57,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:57,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:57,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482443675] [2024-10-12 20:23:57,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482443675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:57,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:57,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:23:57,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090087905] [2024-10-12 20:23:57,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:57,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:23:57,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:57,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:23:57,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:23:57,528 INFO L87 Difference]: Start difference. First operand 15556 states and 21954 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:58,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:58,998 INFO L93 Difference]: Finished difference Result 22786 states and 32173 transitions. [2024-10-12 20:23:58,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:23:58,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-10-12 20:23:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:59,023 INFO L225 Difference]: With dead ends: 22786 [2024-10-12 20:23:59,023 INFO L226 Difference]: Without dead ends: 22576 [2024-10-12 20:23:59,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-12 20:23:59,030 INFO L432 NwaCegarLoop]: 878 mSDtfsCounter, 4679 mSDsluCounter, 3522 mSDsCounter, 0 mSdLazyCounter, 3219 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4679 SdHoareTripleChecker+Valid, 4400 SdHoareTripleChecker+Invalid, 3234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:59,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4679 Valid, 4400 Invalid, 3234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3219 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 20:23:59,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22576 states. [2024-10-12 20:23:59,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22576 to 15551. [2024-10-12 20:23:59,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15551 states, 15544 states have (on average 1.411798764796706) internal successors, (21945), 15550 states have internal predecessors, (21945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15551 states to 15551 states and 21945 transitions. [2024-10-12 20:23:59,206 INFO L78 Accepts]: Start accepts. Automaton has 15551 states and 21945 transitions. Word has length 72 [2024-10-12 20:23:59,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:59,206 INFO L471 AbstractCegarLoop]: Abstraction has 15551 states and 21945 transitions. [2024-10-12 20:23:59,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 15551 states and 21945 transitions. [2024-10-12 20:23:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-12 20:23:59,209 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:59,209 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:59,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-12 20:23:59,209 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:59,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:59,210 INFO L85 PathProgramCache]: Analyzing trace with hash -789977138, now seen corresponding path program 1 times [2024-10-12 20:23:59,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:59,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359037326] [2024-10-12 20:23:59,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:59,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:23:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:23:59,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:23:59,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359037326] [2024-10-12 20:23:59,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359037326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:23:59,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:23:59,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:23:59,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091340949] [2024-10-12 20:23:59,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:23:59,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:23:59,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:23:59,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:23:59,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:59,290 INFO L87 Difference]: Start difference. First operand 15551 states and 21945 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:59,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:23:59,443 INFO L93 Difference]: Finished difference Result 31835 states and 45535 transitions. [2024-10-12 20:23:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:23:59,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-10-12 20:23:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:23:59,461 INFO L225 Difference]: With dead ends: 31835 [2024-10-12 20:23:59,462 INFO L226 Difference]: Without dead ends: 17609 [2024-10-12 20:23:59,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:23:59,475 INFO L432 NwaCegarLoop]: 1445 mSDtfsCounter, 1351 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1987 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:23:59,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 1987 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:23:59,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17609 states. [2024-10-12 20:23:59,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17609 to 14130. [2024-10-12 20:23:59,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14130 states, 14123 states have (on average 1.4277419811654748) internal successors, (20164), 14129 states have internal predecessors, (20164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14130 states to 14130 states and 20164 transitions. [2024-10-12 20:23:59,709 INFO L78 Accepts]: Start accepts. Automaton has 14130 states and 20164 transitions. Word has length 72 [2024-10-12 20:23:59,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:23:59,710 INFO L471 AbstractCegarLoop]: Abstraction has 14130 states and 20164 transitions. [2024-10-12 20:23:59,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:23:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 14130 states and 20164 transitions. [2024-10-12 20:23:59,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-12 20:23:59,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:23:59,712 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:23:59,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-12 20:23:59,712 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-10-12 20:23:59,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:23:59,713 INFO L85 PathProgramCache]: Analyzing trace with hash -104672906, now seen corresponding path program 1 times [2024-10-12 20:23:59,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:23:59,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454633672] [2024-10-12 20:23:59,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:23:59,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:23:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:24:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:24:00,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:24:00,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454633672] [2024-10-12 20:24:00,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454633672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:24:00,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:24:00,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 20:24:00,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768372021] [2024-10-12 20:24:00,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:24:00,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 20:24:00,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:24:00,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 20:24:00,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-12 20:24:00,183 INFO L87 Difference]: Start difference. First operand 14130 states and 20164 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)