/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 23:38:42,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 23:38:42,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 23:38:42,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 23:38:42,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 23:38:42,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 23:38:42,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 23:38:42,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 23:38:42,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 23:38:42,494 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 23:38:42,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 23:38:42,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 23:38:42,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 23:38:42,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 23:38:42,495 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 23:38:42,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 23:38:42,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 23:38:42,500 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 23:38:42,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 23:38:42,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 23:38:42,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 23:38:42,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 23:38:42,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 23:38:42,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 23:38:42,503 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 23:38:42,503 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 23:38:42,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 23:38:42,503 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 23:38:42,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 23:38:42,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 23:38:42,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 23:38:42,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 23:38:42,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:38:42,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 23:38:42,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 23:38:42,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 23:38:42,506 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 23:38:42,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 23:38:42,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 23:38:42,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 23:38:42,506 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 23:38:42,506 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 23:38:42,506 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 23:38:42,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 23:38:42,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 23:38:42,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 23:38:42,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 23:38:42,708 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 23:38:42,709 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 23:38:42,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-15 23:38:43,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 23:38:44,011 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 23:38:44,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-15 23:38:44,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e70b7e6a/991dbd90ca3b436ebb78573730bb6d78/FLAGec80f5569 [2023-12-15 23:38:44,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e70b7e6a/991dbd90ca3b436ebb78573730bb6d78 [2023-12-15 23:38:44,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 23:38:44,059 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 23:38:44,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 23:38:44,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 23:38:44,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 23:38:44,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:38:44" (1/1) ... [2023-12-15 23:38:44,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea8f0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:44, skipping insertion in model container [2023-12-15 23:38:44,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:38:44" (1/1) ... [2023-12-15 23:38:44,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 23:38:44,406 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13533,13546] [2023-12-15 23:38:44,428 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18033,18046] [2023-12-15 23:38:44,436 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19325,19338] [2023-12-15 23:38:44,452 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20083,20096] [2023-12-15 23:38:44,458 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21703,21716] [2023-12-15 23:38:44,463 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22461,22474] [2023-12-15 23:38:44,467 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23547,23560] [2023-12-15 23:38:44,479 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26086,26099] [2023-12-15 23:38:44,483 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26847,26860] [2023-12-15 23:38:44,489 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27936,27949] [2023-12-15 23:38:44,496 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29941,29954] [2023-12-15 23:38:44,525 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33864,33877] [2023-12-15 23:38:44,529 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34625,34638] [2023-12-15 23:38:44,533 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35718,35731] [2023-12-15 23:38:44,540 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37727,37740] [2023-12-15 23:38:44,551 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41330,41343] [2023-12-15 23:38:44,569 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48207,48220] [2023-12-15 23:38:44,577 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48968,48981] [2023-12-15 23:38:44,581 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50057,50070] [2023-12-15 23:38:44,587 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52062,52075] [2023-12-15 23:38:44,603 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55451,55464] [2023-12-15 23:38:44,634 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61148,61161] [2023-12-15 23:38:44,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:38:44,883 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 23:38:44,937 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13533,13546] [2023-12-15 23:38:44,944 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18033,18046] [2023-12-15 23:38:44,948 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19325,19338] [2023-12-15 23:38:44,951 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20083,20096] [2023-12-15 23:38:44,954 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21703,21716] [2023-12-15 23:38:44,957 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22461,22474] [2023-12-15 23:38:44,959 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23547,23560] [2023-12-15 23:38:44,964 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26086,26099] [2023-12-15 23:38:44,967 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26847,26860] [2023-12-15 23:38:44,970 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27936,27949] [2023-12-15 23:38:44,974 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29941,29954] [2023-12-15 23:38:44,982 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33864,33877] [2023-12-15 23:38:44,984 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34625,34638] [2023-12-15 23:38:44,988 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35718,35731] [2023-12-15 23:38:44,992 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37727,37740] [2023-12-15 23:38:45,001 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41330,41343] [2023-12-15 23:38:45,019 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48207,48220] [2023-12-15 23:38:45,021 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48968,48981] [2023-12-15 23:38:45,024 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50057,50070] [2023-12-15 23:38:45,028 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52062,52075] [2023-12-15 23:38:45,035 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55451,55464] [2023-12-15 23:38:45,052 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61148,61161] [2023-12-15 23:38:45,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:38:45,203 INFO L206 MainTranslator]: Completed translation [2023-12-15 23:38:45,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45 WrapperNode [2023-12-15 23:38:45,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 23:38:45,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 23:38:45,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 23:38:45,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 23:38:45,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,356 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6744 [2023-12-15 23:38:45,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 23:38:45,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 23:38:45,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 23:38:45,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 23:38:45,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,384 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,431 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]. [2023-12-15 23:38:45,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 23:38:45,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 23:38:45,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 23:38:45,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 23:38:45,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (1/1) ... [2023-12-15 23:38:45,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:38:45,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:38:45,572 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) [2023-12-15 23:38:45,590 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 [2023-12-15 23:38:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 23:38:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 23:38:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 23:38:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 23:38:45,824 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 23:38:45,826 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 23:38:47,978 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 23:38:48,033 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 23:38:48,033 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-15 23:38:48,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:38:48 BoogieIcfgContainer [2023-12-15 23:38:48,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 23:38:48,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 23:38:48,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 23:38:48,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 23:38:48,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:38:44" (1/3) ... [2023-12-15 23:38:48,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6659bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:38:48, skipping insertion in model container [2023-12-15 23:38:48,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:38:45" (2/3) ... [2023-12-15 23:38:48,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6659bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:38:48, skipping insertion in model container [2023-12-15 23:38:48,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:38:48" (3/3) ... [2023-12-15 23:38:48,040 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-15 23:38:48,052 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 23:38:48,052 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-12-15 23:38:48,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 23:38:48,115 INFO L357 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, mHoare=true, 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;@487618ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 23:38:48,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-12-15 23:38:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 1122 states, 1099 states have (on average 1.8616924476797088) internal successors, (2046), 1121 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-15 23:38:48,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:48,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:48,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:48,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:48,150 INFO L85 PathProgramCache]: Analyzing trace with hash -744865271, now seen corresponding path program 1 times [2023-12-15 23:38:48,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:48,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304195386] [2023-12-15 23:38:48,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:48,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:48,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:48,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:48,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304195386] [2023-12-15 23:38:48,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304195386] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:48,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:48,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:38:48,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452597390] [2023-12-15 23:38:48,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:48,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:38:48,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:48,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:38:48,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:38:48,664 INFO L87 Difference]: Start difference. First operand has 1122 states, 1099 states have (on average 1.8616924476797088) internal successors, (2046), 1121 states have internal predecessors, (2046), 0 states have call successors, (0), 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 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:49,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:49,204 INFO L93 Difference]: Finished difference Result 1697 states and 2993 transitions. [2023-12-15 23:38:49,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:38:49,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2023-12-15 23:38:49,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:49,217 INFO L225 Difference]: With dead ends: 1697 [2023-12-15 23:38:49,218 INFO L226 Difference]: Without dead ends: 876 [2023-12-15 23:38:49,221 INFO L412 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 [2023-12-15 23:38:49,223 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 4497 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4497 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:49,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4497 Valid, 1056 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 23:38:49,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2023-12-15 23:38:49,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2023-12-15 23:38:49,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 854 states have (on average 1.3185011709601873) internal successors, (1126), 875 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1126 transitions. [2023-12-15 23:38:49,273 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1126 transitions. Word has length 84 [2023-12-15 23:38:49,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:49,274 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1126 transitions. [2023-12-15 23:38:49,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1126 transitions. [2023-12-15 23:38:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-15 23:38:49,277 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:49,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:49,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 23:38:49,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:49,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:49,279 INFO L85 PathProgramCache]: Analyzing trace with hash 861830130, now seen corresponding path program 1 times [2023-12-15 23:38:49,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:49,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678112151] [2023-12-15 23:38:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:49,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:49,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:49,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678112151] [2023-12-15 23:38:49,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678112151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:49,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:49,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:38:49,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442866413] [2023-12-15 23:38:49,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:49,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:38:49,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:49,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:38:49,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:38:49,520 INFO L87 Difference]: Start difference. First operand 876 states and 1126 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:50,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:50,006 INFO L93 Difference]: Finished difference Result 1445 states and 1914 transitions. [2023-12-15 23:38:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:38:50,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-15 23:38:50,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:50,012 INFO L225 Difference]: With dead ends: 1445 [2023-12-15 23:38:50,012 INFO L226 Difference]: Without dead ends: 796 [2023-12-15 23:38:50,013 INFO L412 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 [2023-12-15 23:38:50,014 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 2954 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:50,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 523 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:38:50,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2023-12-15 23:38:50,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2023-12-15 23:38:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 774 states have (on average 1.3294573643410852) internal successors, (1029), 795 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1029 transitions. [2023-12-15 23:38:50,026 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1029 transitions. Word has length 85 [2023-12-15 23:38:50,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:50,026 INFO L495 AbstractCegarLoop]: Abstraction has 796 states and 1029 transitions. [2023-12-15 23:38:50,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1029 transitions. [2023-12-15 23:38:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-15 23:38:50,027 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:50,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:50,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 23:38:50,028 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:50,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:50,028 INFO L85 PathProgramCache]: Analyzing trace with hash 212889132, now seen corresponding path program 1 times [2023-12-15 23:38:50,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:50,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830484430] [2023-12-15 23:38:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:50,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:50,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:50,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830484430] [2023-12-15 23:38:50,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830484430] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:50,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:50,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:38:50,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108269773] [2023-12-15 23:38:50,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:50,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:38:50,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:50,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:38:50,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:38:50,163 INFO L87 Difference]: Start difference. First operand 796 states and 1029 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:50,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:50,513 INFO L93 Difference]: Finished difference Result 1365 states and 1816 transitions. [2023-12-15 23:38:50,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:38:50,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-15 23:38:50,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:50,516 INFO L225 Difference]: With dead ends: 1365 [2023-12-15 23:38:50,516 INFO L226 Difference]: Without dead ends: 720 [2023-12-15 23:38:50,517 INFO L412 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 [2023-12-15 23:38:50,518 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 2743 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2743 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:50,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2743 Valid, 537 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 23:38:50,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2023-12-15 23:38:50,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2023-12-15 23:38:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 698 states have (on average 1.3524355300859598) internal successors, (944), 719 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 944 transitions. [2023-12-15 23:38:50,528 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 944 transitions. Word has length 86 [2023-12-15 23:38:50,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:50,528 INFO L495 AbstractCegarLoop]: Abstraction has 720 states and 944 transitions. [2023-12-15 23:38:50,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:50,528 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 944 transitions. [2023-12-15 23:38:50,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-15 23:38:50,530 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:50,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:50,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 23:38:50,530 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:50,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:50,530 INFO L85 PathProgramCache]: Analyzing trace with hash 595317579, now seen corresponding path program 1 times [2023-12-15 23:38:50,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:50,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301064074] [2023-12-15 23:38:50,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:50,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:50,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:50,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301064074] [2023-12-15 23:38:50,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301064074] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:50,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:50,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:38:50,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861299244] [2023-12-15 23:38:50,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:50,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:38:50,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:50,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:38:50,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:38:50,631 INFO L87 Difference]: Start difference. First operand 720 states and 944 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:50,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:50,974 INFO L93 Difference]: Finished difference Result 1289 states and 1730 transitions. [2023-12-15 23:38:50,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:38:50,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2023-12-15 23:38:50,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:50,977 INFO L225 Difference]: With dead ends: 1289 [2023-12-15 23:38:50,977 INFO L226 Difference]: Without dead ends: 670 [2023-12-15 23:38:50,978 INFO L412 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 [2023-12-15 23:38:50,979 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 2605 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2605 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:50,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2605 Valid, 509 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 23:38:50,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2023-12-15 23:38:50,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2023-12-15 23:38:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 648 states have (on average 1.3719135802469136) internal successors, (889), 669 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 889 transitions. [2023-12-15 23:38:50,987 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 889 transitions. Word has length 87 [2023-12-15 23:38:50,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:50,987 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 889 transitions. [2023-12-15 23:38:50,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 889 transitions. [2023-12-15 23:38:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-15 23:38:50,995 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:50,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:50,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 23:38:50,997 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:50,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:50,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1127238977, now seen corresponding path program 1 times [2023-12-15 23:38:50,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:50,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726576412] [2023-12-15 23:38:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:50,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:51,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:51,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:51,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726576412] [2023-12-15 23:38:51,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726576412] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:51,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:51,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:38:51,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306273213] [2023-12-15 23:38:51,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:51,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:38:51,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:51,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:38:51,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:38:51,115 INFO L87 Difference]: Start difference. First operand 670 states and 889 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:51,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:51,570 INFO L93 Difference]: Finished difference Result 1585 states and 2142 transitions. [2023-12-15 23:38:51,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:38:51,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2023-12-15 23:38:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:51,573 INFO L225 Difference]: With dead ends: 1585 [2023-12-15 23:38:51,573 INFO L226 Difference]: Without dead ends: 988 [2023-12-15 23:38:51,574 INFO L412 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 [2023-12-15 23:38:51,575 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 3457 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3457 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:51,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3457 Valid, 754 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 23:38:51,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2023-12-15 23:38:51,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 908. [2023-12-15 23:38:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.4209932279909707) internal successors, (1259), 907 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1259 transitions. [2023-12-15 23:38:51,594 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1259 transitions. Word has length 88 [2023-12-15 23:38:51,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:51,597 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1259 transitions. [2023-12-15 23:38:51,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1259 transitions. [2023-12-15 23:38:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 23:38:51,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:51,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:51,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 23:38:51,601 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:51,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:51,601 INFO L85 PathProgramCache]: Analyzing trace with hash -81085098, now seen corresponding path program 1 times [2023-12-15 23:38:51,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:51,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692855222] [2023-12-15 23:38:51,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:51,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:51,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:51,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692855222] [2023-12-15 23:38:51,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692855222] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:51,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:51,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:38:51,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487108469] [2023-12-15 23:38:51,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:51,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:38:51,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:51,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:38:51,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:38:51,720 INFO L87 Difference]: Start difference. First operand 908 states and 1259 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:52,050 INFO L93 Difference]: Finished difference Result 1743 states and 2444 transitions. [2023-12-15 23:38:52,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:38:52,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2023-12-15 23:38:52,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:52,053 INFO L225 Difference]: With dead ends: 1743 [2023-12-15 23:38:52,053 INFO L226 Difference]: Without dead ends: 900 [2023-12-15 23:38:52,054 INFO L412 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 [2023-12-15 23:38:52,055 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 2437 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2437 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:52,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2437 Valid, 469 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 23:38:52,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2023-12-15 23:38:52,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2023-12-15 23:38:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4214123006833712) internal successors, (1248), 899 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1248 transitions. [2023-12-15 23:38:52,067 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1248 transitions. Word has length 89 [2023-12-15 23:38:52,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:52,068 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1248 transitions. [2023-12-15 23:38:52,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1248 transitions. [2023-12-15 23:38:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-15 23:38:52,069 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:52,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:52,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 23:38:52,070 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:52,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:52,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1177000506, now seen corresponding path program 1 times [2023-12-15 23:38:52,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:52,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916408268] [2023-12-15 23:38:52,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:52,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:52,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:52,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916408268] [2023-12-15 23:38:52,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916408268] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:52,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:52,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 23:38:52,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208821286] [2023-12-15 23:38:52,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:52,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:38:52,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:52,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:38:52,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:38:52,316 INFO L87 Difference]: Start difference. First operand 900 states and 1248 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:52,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:52,948 INFO L93 Difference]: Finished difference Result 1638 states and 2212 transitions. [2023-12-15 23:38:52,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 23:38:52,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2023-12-15 23:38:52,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:52,951 INFO L225 Difference]: With dead ends: 1638 [2023-12-15 23:38:52,951 INFO L226 Difference]: Without dead ends: 1221 [2023-12-15 23:38:52,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-15 23:38:52,953 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 2828 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2828 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:52,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2828 Valid, 1024 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:38:52,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2023-12-15 23:38:52,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 900. [2023-12-15 23:38:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4202733485193622) internal successors, (1247), 899 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1247 transitions. [2023-12-15 23:38:52,965 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1247 transitions. Word has length 90 [2023-12-15 23:38:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:52,966 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1247 transitions. [2023-12-15 23:38:52,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1247 transitions. [2023-12-15 23:38:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-15 23:38:52,967 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:52,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:52,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 23:38:52,967 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:52,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:52,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1435926047, now seen corresponding path program 1 times [2023-12-15 23:38:52,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:52,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722869643] [2023-12-15 23:38:52,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:52,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:53,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:53,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722869643] [2023-12-15 23:38:53,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722869643] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:53,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:53,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:53,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993449277] [2023-12-15 23:38:53,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:53,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:38:53,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:53,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:38:53,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:38:53,178 INFO L87 Difference]: Start difference. First operand 900 states and 1247 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:53,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:53,947 INFO L93 Difference]: Finished difference Result 1391 states and 1966 transitions. [2023-12-15 23:38:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:38:53,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2023-12-15 23:38:53,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:53,951 INFO L225 Difference]: With dead ends: 1391 [2023-12-15 23:38:53,951 INFO L226 Difference]: Without dead ends: 1127 [2023-12-15 23:38:53,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:38:53,952 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 1978 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 2342 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:53,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 2342 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:38:53,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2023-12-15 23:38:53,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 900. [2023-12-15 23:38:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.419134396355353) internal successors, (1246), 899 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1246 transitions. [2023-12-15 23:38:53,964 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1246 transitions. Word has length 90 [2023-12-15 23:38:53,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:53,965 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1246 transitions. [2023-12-15 23:38:53,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1246 transitions. [2023-12-15 23:38:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-15 23:38:53,966 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:53,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:53,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 23:38:53,966 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:53,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:53,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1452291629, now seen corresponding path program 1 times [2023-12-15 23:38:53,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:53,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035454175] [2023-12-15 23:38:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:53,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:54,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:54,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035454175] [2023-12-15 23:38:54,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035454175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:54,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:54,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:54,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63216547] [2023-12-15 23:38:54,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:54,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:38:54,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:54,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:38:54,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:38:54,239 INFO L87 Difference]: Start difference. First operand 900 states and 1246 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:55,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:55,371 INFO L93 Difference]: Finished difference Result 1916 states and 2714 transitions. [2023-12-15 23:38:55,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:38:55,371 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2023-12-15 23:38:55,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:55,376 INFO L225 Difference]: With dead ends: 1916 [2023-12-15 23:38:55,376 INFO L226 Difference]: Without dead ends: 1721 [2023-12-15 23:38:55,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:38:55,377 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 2977 mSDsluCounter, 2646 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2977 SdHoareTripleChecker+Valid, 3327 SdHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:55,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2977 Valid, 3327 Invalid, 2490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2486 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 23:38:55,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2023-12-15 23:38:55,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 900. [2023-12-15 23:38:55,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.417995444191344) internal successors, (1245), 899 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1245 transitions. [2023-12-15 23:38:55,392 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1245 transitions. Word has length 90 [2023-12-15 23:38:55,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:55,392 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1245 transitions. [2023-12-15 23:38:55,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1245 transitions. [2023-12-15 23:38:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-15 23:38:55,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:55,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:55,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 23:38:55,393 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:55,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:55,394 INFO L85 PathProgramCache]: Analyzing trace with hash 280311879, now seen corresponding path program 1 times [2023-12-15 23:38:55,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:55,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869549126] [2023-12-15 23:38:55,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:55,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:55,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:55,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869549126] [2023-12-15 23:38:55,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869549126] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:55,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:55,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:55,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550644457] [2023-12-15 23:38:55,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:55,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:38:55,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:55,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:38:55,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:38:55,640 INFO L87 Difference]: Start difference. First operand 900 states and 1245 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:56,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:56,390 INFO L93 Difference]: Finished difference Result 1527 states and 2148 transitions. [2023-12-15 23:38:56,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-15 23:38:56,391 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2023-12-15 23:38:56,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:56,394 INFO L225 Difference]: With dead ends: 1527 [2023-12-15 23:38:56,394 INFO L226 Difference]: Without dead ends: 1127 [2023-12-15 23:38:56,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2023-12-15 23:38:56,395 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 3115 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3115 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:56,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3115 Valid, 2071 Invalid, 1660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:38:56,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2023-12-15 23:38:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 900. [2023-12-15 23:38:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4157175398633257) internal successors, (1243), 899 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1243 transitions. [2023-12-15 23:38:56,415 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1243 transitions. Word has length 92 [2023-12-15 23:38:56,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:56,415 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1243 transitions. [2023-12-15 23:38:56,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1243 transitions. [2023-12-15 23:38:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-15 23:38:56,416 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:56,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:56,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-15 23:38:56,417 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:56,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:56,417 INFO L85 PathProgramCache]: Analyzing trace with hash 347470600, now seen corresponding path program 1 times [2023-12-15 23:38:56,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:56,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118036470] [2023-12-15 23:38:56,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:56,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:56,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:56,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118036470] [2023-12-15 23:38:56,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118036470] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:56,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:56,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:56,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090321705] [2023-12-15 23:38:56,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:56,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:38:56,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:56,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:38:56,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:38:56,651 INFO L87 Difference]: Start difference. First operand 900 states and 1243 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:57,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:57,740 INFO L93 Difference]: Finished difference Result 1883 states and 2656 transitions. [2023-12-15 23:38:57,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:38:57,740 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2023-12-15 23:38:57,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:57,745 INFO L225 Difference]: With dead ends: 1883 [2023-12-15 23:38:57,745 INFO L226 Difference]: Without dead ends: 1693 [2023-12-15 23:38:57,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:38:57,746 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 2864 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2864 SdHoareTripleChecker+Valid, 3091 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:57,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2864 Valid, 3091 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2394 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:38:57,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2023-12-15 23:38:57,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 900. [2023-12-15 23:38:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4134396355353076) internal successors, (1241), 899 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:57,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1241 transitions. [2023-12-15 23:38:57,761 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1241 transitions. Word has length 92 [2023-12-15 23:38:57,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:57,761 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1241 transitions. [2023-12-15 23:38:57,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1241 transitions. [2023-12-15 23:38:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-15 23:38:57,762 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:57,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:57,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 23:38:57,763 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:57,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:57,763 INFO L85 PathProgramCache]: Analyzing trace with hash -950419438, now seen corresponding path program 1 times [2023-12-15 23:38:57,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:57,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698574831] [2023-12-15 23:38:57,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:57,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:57,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:57,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698574831] [2023-12-15 23:38:57,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698574831] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:57,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:57,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:57,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470346707] [2023-12-15 23:38:57,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:57,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:38:57,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:57,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:38:57,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:38:57,974 INFO L87 Difference]: Start difference. First operand 900 states and 1241 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:59,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:59,232 INFO L93 Difference]: Finished difference Result 1965 states and 2773 transitions. [2023-12-15 23:38:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:38:59,233 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2023-12-15 23:38:59,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:59,237 INFO L225 Difference]: With dead ends: 1965 [2023-12-15 23:38:59,237 INFO L226 Difference]: Without dead ends: 1721 [2023-12-15 23:38:59,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:38:59,239 INFO L413 NwaCegarLoop]: 978 mSDtfsCounter, 2934 mSDsluCounter, 3158 mSDsCounter, 0 mSdLazyCounter, 2832 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2934 SdHoareTripleChecker+Valid, 4136 SdHoareTripleChecker+Invalid, 2835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:59,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2934 Valid, 4136 Invalid, 2835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2832 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 23:38:59,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2023-12-15 23:38:59,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 900. [2023-12-15 23:38:59,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4111617312072893) internal successors, (1239), 899 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:59,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1239 transitions. [2023-12-15 23:38:59,254 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1239 transitions. Word has length 92 [2023-12-15 23:38:59,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:59,254 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1239 transitions. [2023-12-15 23:38:59,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:59,255 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1239 transitions. [2023-12-15 23:38:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-15 23:38:59,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:59,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:59,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 23:38:59,256 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:38:59,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:59,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1340210149, now seen corresponding path program 1 times [2023-12-15 23:38:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:59,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542675482] [2023-12-15 23:38:59,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:59,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:59,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:59,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:59,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542675482] [2023-12-15 23:38:59,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542675482] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:59,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:59,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:59,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473326285] [2023-12-15 23:38:59,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:59,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:38:59,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:59,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:38:59,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:38:59,487 INFO L87 Difference]: Start difference. First operand 900 states and 1239 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:00,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:00,578 INFO L93 Difference]: Finished difference Result 1864 states and 2625 transitions. [2023-12-15 23:39:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:00,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2023-12-15 23:39:00,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:00,583 INFO L225 Difference]: With dead ends: 1864 [2023-12-15 23:39:00,583 INFO L226 Difference]: Without dead ends: 1693 [2023-12-15 23:39:00,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:00,584 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 2860 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2860 SdHoareTripleChecker+Valid, 3302 SdHoareTripleChecker+Invalid, 2499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:00,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2860 Valid, 3302 Invalid, 2499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 23:39:00,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2023-12-15 23:39:00,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 900. [2023-12-15 23:39:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4100227790432802) internal successors, (1238), 899 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1238 transitions. [2023-12-15 23:39:00,598 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1238 transitions. Word has length 92 [2023-12-15 23:39:00,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:00,599 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1238 transitions. [2023-12-15 23:39:00,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1238 transitions. [2023-12-15 23:39:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-15 23:39:00,600 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:00,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:00,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 23:39:00,600 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:00,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:00,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2065712337, now seen corresponding path program 1 times [2023-12-15 23:39:00,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:00,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216386319] [2023-12-15 23:39:00,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:00,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:00,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:00,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:00,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216386319] [2023-12-15 23:39:00,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216386319] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:00,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:00,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:00,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484909377] [2023-12-15 23:39:00,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:00,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:00,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:00,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:00,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:00,807 INFO L87 Difference]: Start difference. First operand 900 states and 1238 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:01,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:01,837 INFO L93 Difference]: Finished difference Result 1931 states and 2720 transitions. [2023-12-15 23:39:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:01,838 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2023-12-15 23:39:01,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:01,851 INFO L225 Difference]: With dead ends: 1931 [2023-12-15 23:39:01,851 INFO L226 Difference]: Without dead ends: 1721 [2023-12-15 23:39:01,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:01,853 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 3077 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 2432 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3077 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 2436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:01,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3077 Valid, 3137 Invalid, 2436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2432 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:01,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2023-12-15 23:39:01,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 900. [2023-12-15 23:39:01,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4088838268792712) internal successors, (1237), 899 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:01,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1237 transitions. [2023-12-15 23:39:01,872 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1237 transitions. Word has length 92 [2023-12-15 23:39:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:01,872 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1237 transitions. [2023-12-15 23:39:01,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1237 transitions. [2023-12-15 23:39:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-15 23:39:01,873 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:01,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:01,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 23:39:01,873 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:01,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:01,874 INFO L85 PathProgramCache]: Analyzing trace with hash -98755353, now seen corresponding path program 1 times [2023-12-15 23:39:01,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:01,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499952682] [2023-12-15 23:39:01,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:01,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:02,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:02,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499952682] [2023-12-15 23:39:02,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499952682] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:02,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:02,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:02,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623500406] [2023-12-15 23:39:02,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:02,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:02,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:02,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:02,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:02,116 INFO L87 Difference]: Start difference. First operand 900 states and 1237 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:03,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:03,212 INFO L93 Difference]: Finished difference Result 1858 states and 2617 transitions. [2023-12-15 23:39:03,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:03,213 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2023-12-15 23:39:03,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:03,217 INFO L225 Difference]: With dead ends: 1858 [2023-12-15 23:39:03,217 INFO L226 Difference]: Without dead ends: 1693 [2023-12-15 23:39:03,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:03,218 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 2878 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 2599 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2878 SdHoareTripleChecker+Valid, 3501 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:03,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2878 Valid, 3501 Invalid, 2603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2599 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 23:39:03,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2023-12-15 23:39:03,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 900. [2023-12-15 23:39:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4077448747152619) internal successors, (1236), 899 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1236 transitions. [2023-12-15 23:39:03,231 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1236 transitions. Word has length 92 [2023-12-15 23:39:03,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:03,231 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1236 transitions. [2023-12-15 23:39:03,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:03,232 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1236 transitions. [2023-12-15 23:39:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-15 23:39:03,232 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:03,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:03,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 23:39:03,233 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:03,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:03,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1715587412, now seen corresponding path program 1 times [2023-12-15 23:39:03,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:03,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900807336] [2023-12-15 23:39:03,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:03,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:03,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:03,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900807336] [2023-12-15 23:39:03,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900807336] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:03,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:03,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:39:03,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735084323] [2023-12-15 23:39:03,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:03,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:39:03,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:03,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:39:03,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:39:03,611 INFO L87 Difference]: Start difference. First operand 900 states and 1236 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:05,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:05,512 INFO L93 Difference]: Finished difference Result 2929 states and 4198 transitions. [2023-12-15 23:39:05,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 23:39:05,513 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2023-12-15 23:39:05,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:05,519 INFO L225 Difference]: With dead ends: 2929 [2023-12-15 23:39:05,519 INFO L226 Difference]: Without dead ends: 2758 [2023-12-15 23:39:05,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-15 23:39:05,521 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 6549 mSDsluCounter, 3005 mSDsCounter, 0 mSdLazyCounter, 3144 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6549 SdHoareTripleChecker+Valid, 3785 SdHoareTripleChecker+Invalid, 3363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 3144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:05,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6549 Valid, 3785 Invalid, 3363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 3144 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-15 23:39:05,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2023-12-15 23:39:05,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 904. [2023-12-15 23:39:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 882 states have (on average 1.4058956916099774) internal successors, (1240), 903 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:05,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1240 transitions. [2023-12-15 23:39:05,538 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1240 transitions. Word has length 92 [2023-12-15 23:39:05,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:05,538 INFO L495 AbstractCegarLoop]: Abstraction has 904 states and 1240 transitions. [2023-12-15 23:39:05,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1240 transitions. [2023-12-15 23:39:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:39:05,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:05,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:05,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 23:39:05,540 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:05,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:05,540 INFO L85 PathProgramCache]: Analyzing trace with hash 343046810, now seen corresponding path program 1 times [2023-12-15 23:39:05,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:05,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440457824] [2023-12-15 23:39:05,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:05,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:05,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:05,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440457824] [2023-12-15 23:39:05,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440457824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:05,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:05,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:05,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016460475] [2023-12-15 23:39:05,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:05,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:05,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:05,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:05,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:05,724 INFO L87 Difference]: Start difference. First operand 904 states and 1240 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:06,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:06,791 INFO L93 Difference]: Finished difference Result 1864 states and 2620 transitions. [2023-12-15 23:39:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:06,791 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2023-12-15 23:39:06,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:06,795 INFO L225 Difference]: With dead ends: 1864 [2023-12-15 23:39:06,795 INFO L226 Difference]: Without dead ends: 1693 [2023-12-15 23:39:06,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:06,796 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 2139 mSDsluCounter, 2192 mSDsCounter, 0 mSdLazyCounter, 2332 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2139 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:06,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2139 Valid, 2913 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2332 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:06,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2023-12-15 23:39:06,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 900. [2023-12-15 23:39:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4066059225512528) internal successors, (1235), 899 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1235 transitions. [2023-12-15 23:39:06,811 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1235 transitions. Word has length 93 [2023-12-15 23:39:06,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:06,811 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1235 transitions. [2023-12-15 23:39:06,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1235 transitions. [2023-12-15 23:39:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:06,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:06,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:06,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 23:39:06,812 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:06,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:06,813 INFO L85 PathProgramCache]: Analyzing trace with hash 514536132, now seen corresponding path program 1 times [2023-12-15 23:39:06,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:06,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288473633] [2023-12-15 23:39:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:06,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:07,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:07,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:07,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288473633] [2023-12-15 23:39:07,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288473633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:07,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:07,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:07,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726974077] [2023-12-15 23:39:07,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:07,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:07,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:07,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:07,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:07,052 INFO L87 Difference]: Start difference. First operand 900 states and 1235 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:08,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:08,091 INFO L93 Difference]: Finished difference Result 1895 states and 2661 transitions. [2023-12-15 23:39:08,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:08,092 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:08,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:08,096 INFO L225 Difference]: With dead ends: 1895 [2023-12-15 23:39:08,096 INFO L226 Difference]: Without dead ends: 1693 [2023-12-15 23:39:08,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:08,097 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 3136 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 2433 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3136 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 2438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:08,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3136 Valid, 3380 Invalid, 2438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2433 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:08,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2023-12-15 23:39:08,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 900. [2023-12-15 23:39:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4043280182232347) internal successors, (1233), 899 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1233 transitions. [2023-12-15 23:39:08,112 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1233 transitions. Word has length 94 [2023-12-15 23:39:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:08,112 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1233 transitions. [2023-12-15 23:39:08,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1233 transitions. [2023-12-15 23:39:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:08,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:08,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:08,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-15 23:39:08,113 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:08,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:08,114 INFO L85 PathProgramCache]: Analyzing trace with hash 105690904, now seen corresponding path program 1 times [2023-12-15 23:39:08,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:08,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228262730] [2023-12-15 23:39:08,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:08,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:08,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:08,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228262730] [2023-12-15 23:39:08,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228262730] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:08,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:08,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:08,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035522710] [2023-12-15 23:39:08,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:08,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:08,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:08,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:08,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:08,292 INFO L87 Difference]: Start difference. First operand 900 states and 1233 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:09,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:09,364 INFO L93 Difference]: Finished difference Result 1837 states and 2572 transitions. [2023-12-15 23:39:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:09,364 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:09,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:09,368 INFO L225 Difference]: With dead ends: 1837 [2023-12-15 23:39:09,368 INFO L226 Difference]: Without dead ends: 1669 [2023-12-15 23:39:09,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:09,369 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 2031 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 2478 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 2482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:09,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 3300 Invalid, 2482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2478 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2023-12-15 23:39:09,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 900. [2023-12-15 23:39:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.4020501138952164) internal successors, (1231), 899 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:09,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1231 transitions. [2023-12-15 23:39:09,382 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1231 transitions. Word has length 94 [2023-12-15 23:39:09,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:09,382 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1231 transitions. [2023-12-15 23:39:09,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1231 transitions. [2023-12-15 23:39:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:09,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:09,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:09,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-15 23:39:09,384 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:09,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:09,384 INFO L85 PathProgramCache]: Analyzing trace with hash 909968804, now seen corresponding path program 1 times [2023-12-15 23:39:09,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:09,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852872422] [2023-12-15 23:39:09,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:09,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:09,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:09,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852872422] [2023-12-15 23:39:09,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852872422] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:09,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:09,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:09,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893485231] [2023-12-15 23:39:09,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:09,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:09,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:09,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:09,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:09,545 INFO L87 Difference]: Start difference. First operand 900 states and 1231 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:10,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:10,613 INFO L93 Difference]: Finished difference Result 1997 states and 2796 transitions. [2023-12-15 23:39:10,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:10,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:10,619 INFO L225 Difference]: With dead ends: 1997 [2023-12-15 23:39:10,619 INFO L226 Difference]: Without dead ends: 1721 [2023-12-15 23:39:10,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:10,620 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 3055 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 2391 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 3107 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:10,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3055 Valid, 3107 Invalid, 2395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2391 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:10,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2023-12-15 23:39:10,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 900. [2023-12-15 23:39:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3997722095671983) internal successors, (1229), 899 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:10,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1229 transitions. [2023-12-15 23:39:10,637 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1229 transitions. Word has length 94 [2023-12-15 23:39:10,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:10,638 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1229 transitions. [2023-12-15 23:39:10,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1229 transitions. [2023-12-15 23:39:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:10,639 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:10,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:10,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-15 23:39:10,640 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:10,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:10,640 INFO L85 PathProgramCache]: Analyzing trace with hash 556568795, now seen corresponding path program 1 times [2023-12-15 23:39:10,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:10,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475647742] [2023-12-15 23:39:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:10,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:10,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:10,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:10,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475647742] [2023-12-15 23:39:10,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475647742] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:10,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:10,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:10,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703458960] [2023-12-15 23:39:10,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:10,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:10,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:10,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:10,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:10,864 INFO L87 Difference]: Start difference. First operand 900 states and 1229 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:11,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:11,909 INFO L93 Difference]: Finished difference Result 1831 states and 2561 transitions. [2023-12-15 23:39:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:11,909 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:11,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:11,912 INFO L225 Difference]: With dead ends: 1831 [2023-12-15 23:39:11,912 INFO L226 Difference]: Without dead ends: 1669 [2023-12-15 23:39:11,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:11,913 INFO L413 NwaCegarLoop]: 778 mSDtfsCounter, 2020 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 2379 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 3235 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:11,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 3235 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2379 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:11,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2023-12-15 23:39:11,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 900. [2023-12-15 23:39:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.39749430523918) internal successors, (1227), 899 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1227 transitions. [2023-12-15 23:39:11,926 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1227 transitions. Word has length 94 [2023-12-15 23:39:11,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:11,926 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1227 transitions. [2023-12-15 23:39:11,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1227 transitions. [2023-12-15 23:39:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:11,927 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:11,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:11,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-15 23:39:11,928 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:11,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:11,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1887678960, now seen corresponding path program 1 times [2023-12-15 23:39:11,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:11,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030951234] [2023-12-15 23:39:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:11,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:12,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:12,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030951234] [2023-12-15 23:39:12,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030951234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:12,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:12,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:12,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469821782] [2023-12-15 23:39:12,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:12,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:12,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:12,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:12,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:12,084 INFO L87 Difference]: Start difference. First operand 900 states and 1227 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:13,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:13,081 INFO L93 Difference]: Finished difference Result 1833 states and 2560 transitions. [2023-12-15 23:39:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:13,083 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:13,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:13,085 INFO L225 Difference]: With dead ends: 1833 [2023-12-15 23:39:13,086 INFO L226 Difference]: Without dead ends: 1669 [2023-12-15 23:39:13,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:13,087 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 1911 mSDsluCounter, 2563 mSDsCounter, 0 mSdLazyCounter, 2513 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1911 SdHoareTripleChecker+Valid, 3391 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:13,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1911 Valid, 3391 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2513 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:13,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2023-12-15 23:39:13,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 900. [2023-12-15 23:39:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3952164009111618) internal successors, (1225), 899 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1225 transitions. [2023-12-15 23:39:13,098 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1225 transitions. Word has length 94 [2023-12-15 23:39:13,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:13,099 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1225 transitions. [2023-12-15 23:39:13,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1225 transitions. [2023-12-15 23:39:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:13,100 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:13,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:13,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-15 23:39:13,100 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:13,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:13,101 INFO L85 PathProgramCache]: Analyzing trace with hash 2039186161, now seen corresponding path program 1 times [2023-12-15 23:39:13,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:13,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477890117] [2023-12-15 23:39:13,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:13,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:13,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477890117] [2023-12-15 23:39:13,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477890117] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:13,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:13,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:13,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553454219] [2023-12-15 23:39:13,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:13,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:13,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:13,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:13,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:13,313 INFO L87 Difference]: Start difference. First operand 900 states and 1225 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:14,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:14,333 INFO L93 Difference]: Finished difference Result 1833 states and 2556 transitions. [2023-12-15 23:39:14,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:14,333 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:14,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:14,336 INFO L225 Difference]: With dead ends: 1833 [2023-12-15 23:39:14,336 INFO L226 Difference]: Without dead ends: 1669 [2023-12-15 23:39:14,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:14,337 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 2020 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 3231 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:14,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 3231 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2364 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:14,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2023-12-15 23:39:14,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 900. [2023-12-15 23:39:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3929384965831435) internal successors, (1223), 899 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:14,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1223 transitions. [2023-12-15 23:39:14,350 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1223 transitions. Word has length 94 [2023-12-15 23:39:14,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:14,350 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1223 transitions. [2023-12-15 23:39:14,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1223 transitions. [2023-12-15 23:39:14,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:14,351 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:14,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:14,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-15 23:39:14,352 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:14,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1846935907, now seen corresponding path program 1 times [2023-12-15 23:39:14,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:14,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587094402] [2023-12-15 23:39:14,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:14,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:14,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:14,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587094402] [2023-12-15 23:39:14,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587094402] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:14,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:14,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:14,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170377760] [2023-12-15 23:39:14,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:14,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:14,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:14,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:14,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:14,512 INFO L87 Difference]: Start difference. First operand 900 states and 1223 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:15,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:15,359 INFO L93 Difference]: Finished difference Result 1626 states and 2233 transitions. [2023-12-15 23:39:15,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:15,359 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:15,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:15,362 INFO L225 Difference]: With dead ends: 1626 [2023-12-15 23:39:15,362 INFO L226 Difference]: Without dead ends: 1621 [2023-12-15 23:39:15,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:15,363 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 2432 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:15,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2432 Valid, 2234 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1851 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:39:15,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2023-12-15 23:39:15,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 900. [2023-12-15 23:39:15,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3906605922551254) internal successors, (1221), 899 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1221 transitions. [2023-12-15 23:39:15,373 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1221 transitions. Word has length 94 [2023-12-15 23:39:15,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:15,373 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1221 transitions. [2023-12-15 23:39:15,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1221 transitions. [2023-12-15 23:39:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:15,375 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:15,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:15,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-15 23:39:15,375 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:15,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:15,375 INFO L85 PathProgramCache]: Analyzing trace with hash 65261195, now seen corresponding path program 1 times [2023-12-15 23:39:15,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:15,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995048839] [2023-12-15 23:39:15,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:15,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:15,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:15,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995048839] [2023-12-15 23:39:15,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995048839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:15,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:15,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:39:15,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555609344] [2023-12-15 23:39:15,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:15,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:39:15,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:15,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:39:15,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:39:15,692 INFO L87 Difference]: Start difference. First operand 900 states and 1221 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:17,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:17,435 INFO L93 Difference]: Finished difference Result 2967 states and 4220 transitions. [2023-12-15 23:39:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 23:39:17,435 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:17,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:17,439 INFO L225 Difference]: With dead ends: 2967 [2023-12-15 23:39:17,439 INFO L226 Difference]: Without dead ends: 2777 [2023-12-15 23:39:17,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-15 23:39:17,441 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 6200 mSDsluCounter, 2825 mSDsCounter, 0 mSdLazyCounter, 2957 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6200 SdHoareTripleChecker+Valid, 3673 SdHoareTripleChecker+Invalid, 3159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:17,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6200 Valid, 3673 Invalid, 3159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2957 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 23:39:17,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states. [2023-12-15 23:39:17,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 908. [2023-12-15 23:39:17,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3871331828442437) internal successors, (1229), 907 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1229 transitions. [2023-12-15 23:39:17,455 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1229 transitions. Word has length 94 [2023-12-15 23:39:17,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:17,455 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1229 transitions. [2023-12-15 23:39:17,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1229 transitions. [2023-12-15 23:39:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:17,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:17,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:17,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-15 23:39:17,456 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:17,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:17,457 INFO L85 PathProgramCache]: Analyzing trace with hash -251225405, now seen corresponding path program 1 times [2023-12-15 23:39:17,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:17,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322464617] [2023-12-15 23:39:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:17,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:17,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:17,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322464617] [2023-12-15 23:39:17,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322464617] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:17,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:17,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:17,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171262123] [2023-12-15 23:39:17,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:17,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:17,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:17,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:17,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:17,626 INFO L87 Difference]: Start difference. First operand 908 states and 1229 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:18,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:18,524 INFO L93 Difference]: Finished difference Result 1835 states and 2550 transitions. [2023-12-15 23:39:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:18,525 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:18,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:18,527 INFO L225 Difference]: With dead ends: 1835 [2023-12-15 23:39:18,527 INFO L226 Difference]: Without dead ends: 1677 [2023-12-15 23:39:18,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:18,528 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 2676 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 2137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 2832 SdHoareTripleChecker+Invalid, 2141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:18,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 2832 Invalid, 2141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2137 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:39:18,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2023-12-15 23:39:18,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 908. [2023-12-15 23:39:18,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3860045146726863) internal successors, (1228), 907 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1228 transitions. [2023-12-15 23:39:18,539 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1228 transitions. Word has length 94 [2023-12-15 23:39:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:18,539 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1228 transitions. [2023-12-15 23:39:18,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1228 transitions. [2023-12-15 23:39:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:18,540 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:18,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:18,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-15 23:39:18,540 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:18,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:18,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2102424565, now seen corresponding path program 1 times [2023-12-15 23:39:18,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:18,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610978460] [2023-12-15 23:39:18,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:18,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:18,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:18,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610978460] [2023-12-15 23:39:18,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610978460] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:18,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:18,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:18,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466327720] [2023-12-15 23:39:18,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:18,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:18,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:18,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:18,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:18,692 INFO L87 Difference]: Start difference. First operand 908 states and 1228 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:19,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:19,547 INFO L93 Difference]: Finished difference Result 1831 states and 2544 transitions. [2023-12-15 23:39:19,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:19,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:19,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:19,550 INFO L225 Difference]: With dead ends: 1831 [2023-12-15 23:39:19,550 INFO L226 Difference]: Without dead ends: 1677 [2023-12-15 23:39:19,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:19,551 INFO L413 NwaCegarLoop]: 687 mSDtfsCounter, 2782 mSDsluCounter, 2009 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2782 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:19,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2782 Valid, 2696 Invalid, 1989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:39:19,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2023-12-15 23:39:19,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 908. [2023-12-15 23:39:19,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3848758465011286) internal successors, (1227), 907 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1227 transitions. [2023-12-15 23:39:19,561 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1227 transitions. Word has length 94 [2023-12-15 23:39:19,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:19,561 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1227 transitions. [2023-12-15 23:39:19,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1227 transitions. [2023-12-15 23:39:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:19,562 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:19,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:19,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-15 23:39:19,563 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:19,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:19,563 INFO L85 PathProgramCache]: Analyzing trace with hash -210482352, now seen corresponding path program 1 times [2023-12-15 23:39:19,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:19,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007806548] [2023-12-15 23:39:19,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:19,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:19,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:19,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007806548] [2023-12-15 23:39:19,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007806548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:19,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:19,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:19,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514798489] [2023-12-15 23:39:19,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:19,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:19,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:19,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:19,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:19,713 INFO L87 Difference]: Start difference. First operand 908 states and 1227 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:20,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:20,575 INFO L93 Difference]: Finished difference Result 1780 states and 2458 transitions. [2023-12-15 23:39:20,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:20,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:20,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:20,578 INFO L225 Difference]: With dead ends: 1780 [2023-12-15 23:39:20,578 INFO L226 Difference]: Without dead ends: 1629 [2023-12-15 23:39:20,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:20,579 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 2397 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 1887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:20,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 2293 Invalid, 1887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:39:20,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2023-12-15 23:39:20,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 908. [2023-12-15 23:39:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3837471783295712) internal successors, (1226), 907 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1226 transitions. [2023-12-15 23:39:20,597 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1226 transitions. Word has length 94 [2023-12-15 23:39:20,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:20,597 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1226 transitions. [2023-12-15 23:39:20,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1226 transitions. [2023-12-15 23:39:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:20,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:20,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:20,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-15 23:39:20,599 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:20,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:20,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1701714750, now seen corresponding path program 1 times [2023-12-15 23:39:20,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:20,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570669693] [2023-12-15 23:39:20,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:20,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:20,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:20,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:20,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570669693] [2023-12-15 23:39:20,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570669693] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:20,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:20,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:39:20,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284264260] [2023-12-15 23:39:20,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:20,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:39:20,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:20,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:39:20,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:39:20,928 INFO L87 Difference]: Start difference. First operand 908 states and 1226 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:22,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:22,571 INFO L93 Difference]: Finished difference Result 2947 states and 4188 transitions. [2023-12-15 23:39:22,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 23:39:22,572 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:22,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:22,575 INFO L225 Difference]: With dead ends: 2947 [2023-12-15 23:39:22,575 INFO L226 Difference]: Without dead ends: 2767 [2023-12-15 23:39:22,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-15 23:39:22,581 INFO L413 NwaCegarLoop]: 826 mSDtfsCounter, 7011 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 2752 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7011 SdHoareTripleChecker+Valid, 3466 SdHoareTripleChecker+Invalid, 2968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 2752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:22,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7011 Valid, 3466 Invalid, 2968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 2752 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 23:39:22,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2023-12-15 23:39:22,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 912. [2023-12-15 23:39:22,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3820224719101124) internal successors, (1230), 911 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1230 transitions. [2023-12-15 23:39:22,621 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1230 transitions. Word has length 94 [2023-12-15 23:39:22,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:22,621 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1230 transitions. [2023-12-15 23:39:22,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:22,621 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1230 transitions. [2023-12-15 23:39:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:22,622 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:22,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:22,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-15 23:39:22,623 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:22,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:22,623 INFO L85 PathProgramCache]: Analyzing trace with hash -619327580, now seen corresponding path program 1 times [2023-12-15 23:39:22,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:22,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747606824] [2023-12-15 23:39:22,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:22,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:22,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:22,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747606824] [2023-12-15 23:39:22,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747606824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:22,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:22,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:22,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579384769] [2023-12-15 23:39:22,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:22,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:22,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:22,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:22,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:22,780 INFO L87 Difference]: Start difference. First operand 912 states and 1230 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:23,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:23,739 INFO L93 Difference]: Finished difference Result 1839 states and 2549 transitions. [2023-12-15 23:39:23,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:23,740 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:23,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:23,743 INFO L225 Difference]: With dead ends: 1839 [2023-12-15 23:39:23,743 INFO L226 Difference]: Without dead ends: 1681 [2023-12-15 23:39:23,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:23,744 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 2011 mSDsluCounter, 2470 mSDsCounter, 0 mSdLazyCounter, 2330 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 3250 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:23,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2011 Valid, 3250 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2330 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:39:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2023-12-15 23:39:23,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 912. [2023-12-15 23:39:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3808988764044945) internal successors, (1229), 911 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1229 transitions. [2023-12-15 23:39:23,755 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1229 transitions. Word has length 94 [2023-12-15 23:39:23,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:23,756 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1229 transitions. [2023-12-15 23:39:23,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:23,756 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1229 transitions. [2023-12-15 23:39:23,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:23,757 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:23,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:23,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-15 23:39:23,757 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:23,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:23,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1893494246, now seen corresponding path program 1 times [2023-12-15 23:39:23,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:23,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667802723] [2023-12-15 23:39:23,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:23,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:23,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:23,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667802723] [2023-12-15 23:39:23,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667802723] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:23,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:23,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555006457] [2023-12-15 23:39:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:23,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:23,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:23,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:23,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:23,912 INFO L87 Difference]: Start difference. First operand 912 states and 1229 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:24,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:24,901 INFO L93 Difference]: Finished difference Result 1835 states and 2544 transitions. [2023-12-15 23:39:24,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:24,902 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:24,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:24,904 INFO L225 Difference]: With dead ends: 1835 [2023-12-15 23:39:24,904 INFO L226 Difference]: Without dead ends: 1681 [2023-12-15 23:39:24,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:24,905 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 1894 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1894 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 2349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:24,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1894 Valid, 3123 Invalid, 2349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2345 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:24,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2023-12-15 23:39:24,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 912. [2023-12-15 23:39:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3797752808988764) internal successors, (1228), 911 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1228 transitions. [2023-12-15 23:39:24,918 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1228 transitions. Word has length 94 [2023-12-15 23:39:24,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:24,918 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1228 transitions. [2023-12-15 23:39:24,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1228 transitions. [2023-12-15 23:39:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:24,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:24,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:24,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-15 23:39:24,920 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:24,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:24,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1723188937, now seen corresponding path program 1 times [2023-12-15 23:39:24,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:24,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865341152] [2023-12-15 23:39:24,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:24,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:25,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:25,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:25,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865341152] [2023-12-15 23:39:25,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865341152] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:25,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:25,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:25,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921108376] [2023-12-15 23:39:25,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:25,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:25,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:25,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:25,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:25,104 INFO L87 Difference]: Start difference. First operand 912 states and 1228 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:25,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:25,954 INFO L93 Difference]: Finished difference Result 1833 states and 2540 transitions. [2023-12-15 23:39:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:25,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:25,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:25,956 INFO L225 Difference]: With dead ends: 1833 [2023-12-15 23:39:25,956 INFO L226 Difference]: Without dead ends: 1681 [2023-12-15 23:39:25,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:25,957 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 2766 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1968 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2766 SdHoareTripleChecker+Valid, 2680 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:25,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2766 Valid, 2680 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1968 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:39:25,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2023-12-15 23:39:25,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 912. [2023-12-15 23:39:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3786516853932584) internal successors, (1227), 911 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1227 transitions. [2023-12-15 23:39:25,968 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1227 transitions. Word has length 94 [2023-12-15 23:39:25,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:25,968 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1227 transitions. [2023-12-15 23:39:25,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1227 transitions. [2023-12-15 23:39:25,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:25,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:25,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:25,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-15 23:39:25,970 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:25,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:25,970 INFO L85 PathProgramCache]: Analyzing trace with hash -211515308, now seen corresponding path program 1 times [2023-12-15 23:39:25,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:25,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016683635] [2023-12-15 23:39:25,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:25,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:26,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:26,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016683635] [2023-12-15 23:39:26,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016683635] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:26,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:26,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:26,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303509882] [2023-12-15 23:39:26,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:26,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:26,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:26,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:26,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:26,118 INFO L87 Difference]: Start difference. First operand 912 states and 1227 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:26,994 INFO L93 Difference]: Finished difference Result 1839 states and 2544 transitions. [2023-12-15 23:39:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:26,994 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:26,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:26,997 INFO L225 Difference]: With dead ends: 1839 [2023-12-15 23:39:26,997 INFO L226 Difference]: Without dead ends: 1681 [2023-12-15 23:39:27,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:27,009 INFO L413 NwaCegarLoop]: 732 mSDtfsCounter, 2657 mSDsluCounter, 2101 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2657 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:27,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2657 Valid, 2833 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:39:27,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2023-12-15 23:39:27,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 912. [2023-12-15 23:39:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3775280898876405) internal successors, (1226), 911 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1226 transitions. [2023-12-15 23:39:27,023 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1226 transitions. Word has length 94 [2023-12-15 23:39:27,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:27,023 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1226 transitions. [2023-12-15 23:39:27,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1226 transitions. [2023-12-15 23:39:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:39:27,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:27,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:27,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-15 23:39:27,024 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:27,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2062930942, now seen corresponding path program 1 times [2023-12-15 23:39:27,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:27,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159527086] [2023-12-15 23:39:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:27,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:27,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159527086] [2023-12-15 23:39:27,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159527086] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:27,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:27,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:27,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647787702] [2023-12-15 23:39:27,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:27,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:27,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:27,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:27,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:27,209 INFO L87 Difference]: Start difference. First operand 912 states and 1226 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:28,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:28,060 INFO L93 Difference]: Finished difference Result 1835 states and 2539 transitions. [2023-12-15 23:39:28,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:28,060 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2023-12-15 23:39:28,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:28,062 INFO L225 Difference]: With dead ends: 1835 [2023-12-15 23:39:28,062 INFO L226 Difference]: Without dead ends: 1681 [2023-12-15 23:39:28,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:28,063 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 2761 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 2679 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:28,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 2679 Invalid, 1958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:39:28,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2023-12-15 23:39:28,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 912. [2023-12-15 23:39:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 890 states have (on average 1.3764044943820224) internal successors, (1225), 911 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1225 transitions. [2023-12-15 23:39:28,074 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1225 transitions. Word has length 94 [2023-12-15 23:39:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:28,074 INFO L495 AbstractCegarLoop]: Abstraction has 912 states and 1225 transitions. [2023-12-15 23:39:28,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1225 transitions. [2023-12-15 23:39:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 23:39:28,076 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:28,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:28,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-15 23:39:28,076 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:28,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:28,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1059021627, now seen corresponding path program 1 times [2023-12-15 23:39:28,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:28,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495874249] [2023-12-15 23:39:28,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:28,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:28,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:28,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495874249] [2023-12-15 23:39:28,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495874249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:28,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:28,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:28,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240514600] [2023-12-15 23:39:28,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:28,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:28,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:28,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:28,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:28,240 INFO L87 Difference]: Start difference. First operand 912 states and 1225 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:29,224 INFO L93 Difference]: Finished difference Result 1883 states and 2607 transitions. [2023-12-15 23:39:29,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:29,224 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2023-12-15 23:39:29,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:29,226 INFO L225 Difference]: With dead ends: 1883 [2023-12-15 23:39:29,226 INFO L226 Difference]: Without dead ends: 1693 [2023-12-15 23:39:29,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:29,227 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 3012 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 3045 SdHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:29,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 3045 Invalid, 2317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:39:29,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2023-12-15 23:39:29,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 904. [2023-12-15 23:39:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 882 states have (on average 1.3775510204081634) internal successors, (1215), 903 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1215 transitions. [2023-12-15 23:39:29,238 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1215 transitions. Word has length 95 [2023-12-15 23:39:29,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:29,238 INFO L495 AbstractCegarLoop]: Abstraction has 904 states and 1215 transitions. [2023-12-15 23:39:29,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1215 transitions. [2023-12-15 23:39:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 23:39:29,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:29,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:29,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-15 23:39:29,240 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:29,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:29,240 INFO L85 PathProgramCache]: Analyzing trace with hash 249474763, now seen corresponding path program 1 times [2023-12-15 23:39:29,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:29,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161743758] [2023-12-15 23:39:29,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:29,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:29,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:29,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161743758] [2023-12-15 23:39:29,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161743758] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:29,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:29,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:29,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797828992] [2023-12-15 23:39:29,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:29,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:29,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:29,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:29,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:29,396 INFO L87 Difference]: Start difference. First operand 904 states and 1215 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:30,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:30,425 INFO L93 Difference]: Finished difference Result 1873 states and 2592 transitions. [2023-12-15 23:39:30,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:30,425 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2023-12-15 23:39:30,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:30,427 INFO L225 Difference]: With dead ends: 1873 [2023-12-15 23:39:30,427 INFO L226 Difference]: Without dead ends: 1693 [2023-12-15 23:39:30,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:30,428 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 2001 mSDsluCounter, 2363 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 3145 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:30,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 3145 Invalid, 2375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:30,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2023-12-15 23:39:30,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 900. [2023-12-15 23:39:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3781321184510251) internal successors, (1210), 899 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1210 transitions. [2023-12-15 23:39:30,453 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1210 transitions. Word has length 95 [2023-12-15 23:39:30,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:30,453 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1210 transitions. [2023-12-15 23:39:30,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1210 transitions. [2023-12-15 23:39:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-15 23:39:30,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:30,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:30,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-15 23:39:30,456 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:30,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:30,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1766740068, now seen corresponding path program 1 times [2023-12-15 23:39:30,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:30,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266207586] [2023-12-15 23:39:30,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:30,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:30,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:30,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266207586] [2023-12-15 23:39:30,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266207586] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:30,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:30,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:30,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075240808] [2023-12-15 23:39:30,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:30,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:30,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:30,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:30,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:30,591 INFO L87 Difference]: Start difference. First operand 900 states and 1210 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:31,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:31,488 INFO L93 Difference]: Finished difference Result 1771 states and 2440 transitions. [2023-12-15 23:39:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:31,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2023-12-15 23:39:31,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:31,490 INFO L225 Difference]: With dead ends: 1771 [2023-12-15 23:39:31,490 INFO L226 Difference]: Without dead ends: 1621 [2023-12-15 23:39:31,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:31,491 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 3122 mSDsluCounter, 1976 mSDsCounter, 0 mSdLazyCounter, 2162 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 2607 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:31,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3122 Valid, 2607 Invalid, 2165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2162 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:39:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2023-12-15 23:39:31,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 900. [2023-12-15 23:39:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3758542141230068) internal successors, (1208), 899 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:31,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1208 transitions. [2023-12-15 23:39:31,500 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1208 transitions. Word has length 96 [2023-12-15 23:39:31,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:31,500 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1208 transitions. [2023-12-15 23:39:31,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:31,500 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1208 transitions. [2023-12-15 23:39:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-15 23:39:31,501 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:31,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:31,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-15 23:39:31,501 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:31,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:31,502 INFO L85 PathProgramCache]: Analyzing trace with hash 500756844, now seen corresponding path program 1 times [2023-12-15 23:39:31,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:31,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212058843] [2023-12-15 23:39:31,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:31,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:31,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212058843] [2023-12-15 23:39:31,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212058843] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:31,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:31,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:31,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921702318] [2023-12-15 23:39:31,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:31,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:31,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:31,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:31,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:31,663 INFO L87 Difference]: Start difference. First operand 900 states and 1208 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:32,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:32,551 INFO L93 Difference]: Finished difference Result 1775 states and 2443 transitions. [2023-12-15 23:39:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:32,552 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2023-12-15 23:39:32,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:32,553 INFO L225 Difference]: With dead ends: 1775 [2023-12-15 23:39:32,554 INFO L226 Difference]: Without dead ends: 1621 [2023-12-15 23:39:32,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:32,554 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 3200 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 2112 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3200 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:32,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3200 Valid, 2587 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2112 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:39:32,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2023-12-15 23:39:32,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 900. [2023-12-15 23:39:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3735763097949887) internal successors, (1206), 899 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1206 transitions. [2023-12-15 23:39:32,563 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1206 transitions. Word has length 96 [2023-12-15 23:39:32,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:32,563 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1206 transitions. [2023-12-15 23:39:32,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:32,563 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1206 transitions. [2023-12-15 23:39:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-15 23:39:32,564 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:32,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:32,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-15 23:39:32,564 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:32,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:32,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1255893419, now seen corresponding path program 1 times [2023-12-15 23:39:32,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:32,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644120007] [2023-12-15 23:39:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:32,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:32,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:32,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644120007] [2023-12-15 23:39:32,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644120007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:32,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:32,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:32,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107614731] [2023-12-15 23:39:32,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:32,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:32,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:32,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:32,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:32,743 INFO L87 Difference]: Start difference. First operand 900 states and 1206 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:33,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:33,921 INFO L93 Difference]: Finished difference Result 1775 states and 2439 transitions. [2023-12-15 23:39:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:33,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2023-12-15 23:39:33,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:33,924 INFO L225 Difference]: With dead ends: 1775 [2023-12-15 23:39:33,924 INFO L226 Difference]: Without dead ends: 1621 [2023-12-15 23:39:33,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:33,925 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 2864 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 2318 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2864 SdHoareTripleChecker+Valid, 3035 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:33,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2864 Valid, 3035 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2318 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 23:39:33,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2023-12-15 23:39:33,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 900. [2023-12-15 23:39:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3712984054669703) internal successors, (1204), 899 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1204 transitions. [2023-12-15 23:39:33,935 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1204 transitions. Word has length 96 [2023-12-15 23:39:33,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:33,935 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1204 transitions. [2023-12-15 23:39:33,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1204 transitions. [2023-12-15 23:39:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-15 23:39:33,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:33,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:33,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-15 23:39:33,937 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:33,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:33,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1126876775, now seen corresponding path program 1 times [2023-12-15 23:39:33,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:33,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060721621] [2023-12-15 23:39:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:33,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:34,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:34,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060721621] [2023-12-15 23:39:34,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060721621] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:34,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:34,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:34,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845127712] [2023-12-15 23:39:34,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:34,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:34,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:34,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:34,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:34,091 INFO L87 Difference]: Start difference. First operand 900 states and 1204 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:35,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:35,075 INFO L93 Difference]: Finished difference Result 1839 states and 2534 transitions. [2023-12-15 23:39:35,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:35,076 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2023-12-15 23:39:35,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:35,077 INFO L225 Difference]: With dead ends: 1839 [2023-12-15 23:39:35,077 INFO L226 Difference]: Without dead ends: 1669 [2023-12-15 23:39:35,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:35,078 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1883 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 2383 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 3351 SdHoareTripleChecker+Invalid, 2387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:35,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1883 Valid, 3351 Invalid, 2387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2383 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2023-12-15 23:39:35,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 900. [2023-12-15 23:39:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3690205011389522) internal successors, (1202), 899 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1202 transitions. [2023-12-15 23:39:35,087 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1202 transitions. Word has length 96 [2023-12-15 23:39:35,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:35,087 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1202 transitions. [2023-12-15 23:39:35,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:35,087 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1202 transitions. [2023-12-15 23:39:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-15 23:39:35,088 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:35,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:35,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-15 23:39:35,088 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:35,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:35,088 INFO L85 PathProgramCache]: Analyzing trace with hash 443260260, now seen corresponding path program 1 times [2023-12-15 23:39:35,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:35,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218036953] [2023-12-15 23:39:35,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:35,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:35,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:35,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218036953] [2023-12-15 23:39:35,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218036953] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:35,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:35,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:35,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484031168] [2023-12-15 23:39:35,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:35,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:35,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:35,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:35,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:35,225 INFO L87 Difference]: Start difference. First operand 900 states and 1202 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:36,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:36,102 INFO L93 Difference]: Finished difference Result 1775 states and 2435 transitions. [2023-12-15 23:39:36,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:36,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2023-12-15 23:39:36,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:36,104 INFO L225 Difference]: With dead ends: 1775 [2023-12-15 23:39:36,104 INFO L226 Difference]: Without dead ends: 1621 [2023-12-15 23:39:36,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:36,105 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 2278 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 1968 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:36,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2278 Valid, 2473 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1968 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:39:36,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2023-12-15 23:39:36,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 900. [2023-12-15 23:39:36,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.366742596810934) internal successors, (1200), 899 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1200 transitions. [2023-12-15 23:39:36,113 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1200 transitions. Word has length 96 [2023-12-15 23:39:36,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:36,114 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1200 transitions. [2023-12-15 23:39:36,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:36,114 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1200 transitions. [2023-12-15 23:39:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-15 23:39:36,115 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:36,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:36,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-15 23:39:36,116 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:36,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:36,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1939509934, now seen corresponding path program 1 times [2023-12-15 23:39:36,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:36,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211944024] [2023-12-15 23:39:36,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:36,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:36,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:36,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211944024] [2023-12-15 23:39:36,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211944024] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:36,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:36,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:36,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113868834] [2023-12-15 23:39:36,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:36,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:36,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:36,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:36,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:36,263 INFO L87 Difference]: Start difference. First operand 900 states and 1200 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:37,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:37,256 INFO L93 Difference]: Finished difference Result 1839 states and 2528 transitions. [2023-12-15 23:39:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:37,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2023-12-15 23:39:37,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:37,258 INFO L225 Difference]: With dead ends: 1839 [2023-12-15 23:39:37,258 INFO L226 Difference]: Without dead ends: 1669 [2023-12-15 23:39:37,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:37,259 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 1990 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:37,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 3513 Invalid, 2451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:37,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2023-12-15 23:39:37,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 900. [2023-12-15 23:39:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 878 states have (on average 1.3644646924829158) internal successors, (1198), 899 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1198 transitions. [2023-12-15 23:39:37,268 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1198 transitions. Word has length 96 [2023-12-15 23:39:37,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:37,268 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1198 transitions. [2023-12-15 23:39:37,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1198 transitions. [2023-12-15 23:39:37,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-15 23:39:37,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:37,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:37,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-15 23:39:37,269 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:37,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:37,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1544761606, now seen corresponding path program 1 times [2023-12-15 23:39:37,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:37,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094168130] [2023-12-15 23:39:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:37,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:37,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:37,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094168130] [2023-12-15 23:39:37,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094168130] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:37,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:37,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:39:37,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299843850] [2023-12-15 23:39:37,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:37,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:39:37,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:37,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:39:37,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:39:37,538 INFO L87 Difference]: Start difference. First operand 900 states and 1198 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:39,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:39,228 INFO L93 Difference]: Finished difference Result 3007 states and 4240 transitions. [2023-12-15 23:39:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 23:39:39,228 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2023-12-15 23:39:39,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:39,231 INFO L225 Difference]: With dead ends: 3007 [2023-12-15 23:39:39,231 INFO L226 Difference]: Without dead ends: 2797 [2023-12-15 23:39:39,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-15 23:39:39,232 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6166 mSDsluCounter, 2807 mSDsCounter, 0 mSdLazyCounter, 2849 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6166 SdHoareTripleChecker+Valid, 3662 SdHoareTripleChecker+Invalid, 3051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:39,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6166 Valid, 3662 Invalid, 3051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2849 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 23:39:39,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2023-12-15 23:39:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 908. [2023-12-15 23:39:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 886 states have (on average 1.3611738148984198) internal successors, (1206), 907 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:39,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1206 transitions. [2023-12-15 23:39:39,244 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1206 transitions. Word has length 96 [2023-12-15 23:39:39,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:39,244 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1206 transitions. [2023-12-15 23:39:39,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1206 transitions. [2023-12-15 23:39:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-15 23:39:39,245 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:39,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:39,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-15 23:39:39,245 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:39,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:39,245 INFO L85 PathProgramCache]: Analyzing trace with hash -52113932, now seen corresponding path program 1 times [2023-12-15 23:39:39,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:39,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827914355] [2023-12-15 23:39:39,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:39,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:39,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:39,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827914355] [2023-12-15 23:39:39,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827914355] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:39,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:39,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:39,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025738692] [2023-12-15 23:39:39,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:39,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:39,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:39,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:39,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:39,378 INFO L87 Difference]: Start difference. First operand 908 states and 1206 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-15 23:39:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:40,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2023-12-15 23:39:40,317 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 2015 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 2115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 2592 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:40,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 2592 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2115 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:39:40,318 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 22 remaining) [2023-12-15 23:39:40,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-15 23:39:40,319 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). [2023-12-15 23:39:40,319 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 23:39:40,322 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (20 of 22 remaining) [2023-12-15 23:39:40,322 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (19 of 22 remaining) [2023-12-15 23:39:40,322 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (18 of 22 remaining) [2023-12-15 23:39:40,322 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (17 of 22 remaining) [2023-12-15 23:39:40,322 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (16 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (15 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (14 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (13 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (12 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (11 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (10 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (9 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (8 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (7 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (6 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (5 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (4 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (3 of 22 remaining) [2023-12-15 23:39:40,323 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (2 of 22 remaining) [2023-12-15 23:39:40,324 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (1 of 22 remaining) [2023-12-15 23:39:40,324 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (0 of 22 remaining) [2023-12-15 23:39:40,326 INFO L445 BasicCegarLoop]: Path program 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] [2023-12-15 23:39:40,327 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 23:39:40,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:39:40 BoogieIcfgContainer [2023-12-15 23:39:40,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 23:39:40,331 INFO L158 Benchmark]: Toolchain (without parser) took 56272.41ms. Allocated memory was 225.4MB in the beginning and 753.9MB in the end (delta: 528.5MB). Free memory was 153.1MB in the beginning and 416.5MB in the end (delta: -263.4MB). Peak memory consumption was 266.6MB. Max. memory is 8.0GB. [2023-12-15 23:39:40,331 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 225.4MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 23:39:40,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1142.95ms. Allocated memory was 225.4MB in the beginning and 289.4MB in the end (delta: 64.0MB). Free memory was 152.9MB in the beginning and 185.1MB in the end (delta: -32.3MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-12-15 23:39:40,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.39ms. Allocated memory is still 289.4MB. Free memory was 185.1MB in the beginning and 159.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-15 23:39:40,332 INFO L158 Benchmark]: Boogie Preprocessor took 188.95ms. Allocated memory is still 289.4MB. Free memory was 159.5MB in the beginning and 135.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-15 23:39:40,332 INFO L158 Benchmark]: RCFGBuilder took 2486.28ms. Allocated memory was 289.4MB in the beginning and 420.5MB in the end (delta: 131.1MB). Free memory was 135.3MB in the beginning and 199.9MB in the end (delta: -64.5MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2023-12-15 23:39:40,332 INFO L158 Benchmark]: TraceAbstraction took 52295.61ms. Allocated memory was 420.5MB in the beginning and 753.9MB in the end (delta: 333.4MB). Free memory was 199.3MB in the beginning and 416.5MB in the end (delta: -217.2MB). Peak memory consumption was 116.8MB. Max. memory is 8.0GB. [2023-12-15 23:39:40,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 225.4MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1142.95ms. Allocated memory was 225.4MB in the beginning and 289.4MB in the end (delta: 64.0MB). Free memory was 152.9MB in the beginning and 185.1MB in the end (delta: -32.3MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 152.39ms. Allocated memory is still 289.4MB. Free memory was 185.1MB in the beginning and 159.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 188.95ms. Allocated memory is still 289.4MB. Free memory was 159.5MB in the beginning and 135.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * RCFGBuilder took 2486.28ms. Allocated memory was 289.4MB in the beginning and 420.5MB in the end (delta: 131.1MB). Free memory was 135.3MB in the beginning and 199.9MB in the end (delta: -64.5MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. * TraceAbstraction took 52295.61ms. Allocated memory was 420.5MB in the beginning and 753.9MB in the end (delta: 333.4MB). Free memory was 199.3MB in the beginning and 416.5MB in the end (delta: -217.2MB). Peak memory consumption was 116.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 731]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 731). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1114]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1114). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1208]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1208). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1261]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1261). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1382]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1382). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1435]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1435). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1515]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1515). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1702]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1702). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1755]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1755). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1835]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1835). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1981]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1981). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2275]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2275). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2328]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2328). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2408]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2408). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2554]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2554). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2819]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2819). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3338]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3338). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3391]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3391). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3471]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3471). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3617]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3617). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3870]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3870). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 4311]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4311). Cancelled while NwaCegarLoop was constructing difference of abstraction (908states) and FLOYD_HOARE automaton (currently 14 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (1584 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1122 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 52.2s, OverallIterations: 44, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 42.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131183 SdHoareTripleChecker+Valid, 36.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131183 mSDsluCounter, 117890 SdHoareTripleChecker+Invalid, 29.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87354 mSDsCounter, 1064 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89711 IncrementalHoareTripleChecker+Invalid, 90775 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1064 mSolverCounterUnsat, 30536 mSDtfsCounter, 89711 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 733 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 689 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2317 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1122occurred in iteration=0, InterpolantAutomatonStates: 587, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 43 MinimizatonAttempts, 31476 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 4082 NumberOfCodeBlocks, 4082 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 4038 ConstructedInterpolants, 0 QuantifiedInterpolants, 33629 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 44 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown