./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fcbb6774587cda7a5d573623a9a47b3e351563c8bea7eebdf86bc25d20b8061 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:16:30,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:16:30,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:16:30,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:16:30,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:16:31,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:16:31,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:16:31,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:16:31,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:16:31,014 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:16:31,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:16:31,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:16:31,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:16:31,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:16:31,015 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:16:31,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:16:31,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:16:31,016 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:16:31,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:16:31,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:16:31,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:16:31,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:16:31,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:16:31,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:16:31,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:16:31,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:16:31,017 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:16:31,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:16:31,017 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:16:31,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:31,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:31,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:31,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:31,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:16:31,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:31,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:31,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:31,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:31,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:16:31,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:16:31,019 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:16:31,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:16:31,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:16:31,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:16:31,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:16:31,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:16:31,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:16:31,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:16:31,020 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fcbb6774587cda7a5d573623a9a47b3e351563c8bea7eebdf86bc25d20b8061 [2024-11-28 05:16:31,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:16:31,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:16:31,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:16:31,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:16:31,471 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:16:31,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-28 05:16:34,816 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/data/6c272886b/6312539d3bfc4af89291d90fa9feae82/FLAGa7a0868b8 [2024-11-28 05:16:35,341 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:16:35,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-28 05:16:35,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/data/6c272886b/6312539d3bfc4af89291d90fa9feae82/FLAGa7a0868b8 [2024-11-28 05:16:35,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/data/6c272886b/6312539d3bfc4af89291d90fa9feae82 [2024-11-28 05:16:35,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:16:35,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:16:35,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:35,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:16:35,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:16:35,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:35" (1/1) ... [2024-11-28 05:16:35,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e34b7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:35, skipping insertion in model container [2024-11-28 05:16:35,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:35" (1/1) ... [2024-11-28 05:16:35,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:16:35,936 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8891,8904] [2024-11-28 05:16:35,985 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12143,12156] [2024-11-28 05:16:35,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13299,13312] [2024-11-28 05:16:36,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13955,13968] [2024-11-28 05:16:36,028 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15434,15447] [2024-11-28 05:16:36,034 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16090,16103] [2024-11-28 05:16:36,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17074,17087] [2024-11-28 05:16:36,067 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19370,19383] [2024-11-28 05:16:36,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20029,20042] [2024-11-28 05:16:36,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21011,21024] [2024-11-28 05:16:36,106 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22802,22815] [2024-11-28 05:16:36,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:36,243 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:16:36,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8891,8904] [2024-11-28 05:16:36,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12143,12156] [2024-11-28 05:16:36,329 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13299,13312] [2024-11-28 05:16:36,337 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13955,13968] [2024-11-28 05:16:36,346 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15434,15447] [2024-11-28 05:16:36,351 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16090,16103] [2024-11-28 05:16:36,357 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17074,17087] [2024-11-28 05:16:36,370 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19370,19383] [2024-11-28 05:16:36,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20029,20042] [2024-11-28 05:16:36,381 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21011,21024] [2024-11-28 05:16:36,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22802,22815] [2024-11-28 05:16:36,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:36,514 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:16:36,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36 WrapperNode [2024-11-28 05:16:36,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:36,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:36,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:16:36,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:16:36,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,639 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1922 [2024-11-28 05:16:36,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:36,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:16:36,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:16:36,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:16:36,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,710 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 05:16:36,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,754 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:16:36,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:16:36,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:16:36,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:16:36,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (1/1) ... [2024-11-28 05:16:36,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:36,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:36,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:16:36,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:16:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:16:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:16:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:16:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:16:37,111 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:16:37,113 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:16:39,341 INFO L? ?]: Removed 294 outVars from TransFormulas that were not future-live. [2024-11-28 05:16:39,341 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:16:39,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:16:39,380 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:16:39,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:39 BoogieIcfgContainer [2024-11-28 05:16:39,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:16:39,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:16:39,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:16:39,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:16:39,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:16:35" (1/3) ... [2024-11-28 05:16:39,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e6163d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:39, skipping insertion in model container [2024-11-28 05:16:39,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:36" (2/3) ... [2024-11-28 05:16:39,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e6163d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:39, skipping insertion in model container [2024-11-28 05:16:39,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:39" (3/3) ... [2024-11-28 05:16:39,395 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-28 05:16:39,417 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:16:39,422 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c that has 1 procedures, 357 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2024-11-28 05:16:39,529 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:16:39,552 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@689026a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:16:39,555 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-28 05:16:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 357 states, 345 states have (on average 1.8376811594202898) internal successors, (634), 356 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 05:16:39,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:39,585 INFO L218 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] [2024-11-28 05:16:39,586 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:39,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:39,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1863160701, now seen corresponding path program 1 times [2024-11-28 05:16:39,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:39,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761544362] [2024-11-28 05:16:39,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:39,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:40,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:40,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761544362] [2024-11-28 05:16:40,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761544362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:40,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:40,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:40,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785216012] [2024-11-28 05:16:40,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:40,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:40,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:40,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:40,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:40,514 INFO L87 Difference]: Start difference. First operand has 357 states, 345 states have (on average 1.8376811594202898) internal successors, (634), 356 states have internal predecessors, (634), 0 states have call successors, (0), 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 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:41,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:41,029 INFO L93 Difference]: Finished difference Result 569 states and 972 transitions. [2024-11-28 05:16:41,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:41,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2024-11-28 05:16:41,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:41,050 INFO L225 Difference]: With dead ends: 569 [2024-11-28 05:16:41,051 INFO L226 Difference]: Without dead ends: 293 [2024-11-28 05:16:41,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:16:41,059 INFO L435 NwaCegarLoop]: 348 mSDtfsCounter, 1454 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:41,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 362 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:16:41,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-28 05:16:41,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-28 05:16:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 282 states have (on average 1.301418439716312) internal successors, (367), 292 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 367 transitions. [2024-11-28 05:16:41,125 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 367 transitions. Word has length 58 [2024-11-28 05:16:41,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:41,126 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 367 transitions. [2024-11-28 05:16:41,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 367 transitions. [2024-11-28 05:16:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 05:16:41,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:41,130 INFO L218 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] [2024-11-28 05:16:41,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:16:41,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:41,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:41,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1094505509, now seen corresponding path program 1 times [2024-11-28 05:16:41,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:41,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799665601] [2024-11-28 05:16:41,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:41,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:41,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:41,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:41,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799665601] [2024-11-28 05:16:41,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799665601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:41,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:41,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:41,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417677104] [2024-11-28 05:16:41,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:41,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:41,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:41,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:41,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:41,576 INFO L87 Difference]: Start difference. First operand 293 states and 367 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:41,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:41,957 INFO L93 Difference]: Finished difference Result 496 states and 637 transitions. [2024-11-28 05:16:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:41,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2024-11-28 05:16:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:41,959 INFO L225 Difference]: With dead ends: 496 [2024-11-28 05:16:41,959 INFO L226 Difference]: Without dead ends: 273 [2024-11-28 05:16:41,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:16:41,965 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 951 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:41,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 211 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:16:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-28 05:16:41,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2024-11-28 05:16:41,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 262 states have (on average 1.3053435114503817) internal successors, (342), 272 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 342 transitions. [2024-11-28 05:16:41,992 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 342 transitions. Word has length 59 [2024-11-28 05:16:41,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:41,993 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 342 transitions. [2024-11-28 05:16:41,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 342 transitions. [2024-11-28 05:16:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 05:16:41,998 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:41,998 INFO L218 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] [2024-11-28 05:16:41,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:16:41,999 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:41,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:42,003 INFO L85 PathProgramCache]: Analyzing trace with hash 568036411, now seen corresponding path program 1 times [2024-11-28 05:16:42,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:42,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512228137] [2024-11-28 05:16:42,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:42,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:42,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:42,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:42,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512228137] [2024-11-28 05:16:42,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512228137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:42,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:42,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:42,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360656631] [2024-11-28 05:16:42,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:42,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:42,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:42,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:42,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:42,340 INFO L87 Difference]: Start difference. First operand 273 states and 342 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:42,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:42,680 INFO L93 Difference]: Finished difference Result 476 states and 611 transitions. [2024-11-28 05:16:42,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:42,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2024-11-28 05:16:42,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:42,684 INFO L225 Difference]: With dead ends: 476 [2024-11-28 05:16:42,685 INFO L226 Difference]: Without dead ends: 254 [2024-11-28 05:16:42,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:16:42,686 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 911 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:42,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 200 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:16:42,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-28 05:16:42,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2024-11-28 05:16:42,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 243 states have (on average 1.316872427983539) internal successors, (320), 253 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 320 transitions. [2024-11-28 05:16:42,714 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 320 transitions. Word has length 60 [2024-11-28 05:16:42,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:42,718 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 320 transitions. [2024-11-28 05:16:42,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 320 transitions. [2024-11-28 05:16:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-28 05:16:42,720 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:42,720 INFO L218 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] [2024-11-28 05:16:42,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:16:42,721 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:42,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:42,725 INFO L85 PathProgramCache]: Analyzing trace with hash -715476529, now seen corresponding path program 1 times [2024-11-28 05:16:42,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:42,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540172702] [2024-11-28 05:16:42,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:42,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:43,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:43,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540172702] [2024-11-28 05:16:43,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540172702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:43,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:43,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:43,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649203080] [2024-11-28 05:16:43,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:43,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:16:43,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:43,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:16:43,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:16:43,042 INFO L87 Difference]: Start difference. First operand 254 states and 320 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:43,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:43,338 INFO L93 Difference]: Finished difference Result 457 states and 588 transitions. [2024-11-28 05:16:43,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:16:43,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2024-11-28 05:16:43,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:43,341 INFO L225 Difference]: With dead ends: 457 [2024-11-28 05:16:43,341 INFO L226 Difference]: Without dead ends: 246 [2024-11-28 05:16:43,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:16:43,343 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 868 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:43,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 196 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:16:43,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-28 05:16:43,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-28 05:16:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3191489361702127) internal successors, (310), 245 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 310 transitions. [2024-11-28 05:16:43,352 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 310 transitions. Word has length 61 [2024-11-28 05:16:43,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:43,352 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 310 transitions. [2024-11-28 05:16:43,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 310 transitions. [2024-11-28 05:16:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 05:16:43,354 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:43,354 INFO L218 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] [2024-11-28 05:16:43,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:16:43,354 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:43,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:43,355 INFO L85 PathProgramCache]: Analyzing trace with hash 207205371, now seen corresponding path program 1 times [2024-11-28 05:16:43,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:43,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340701153] [2024-11-28 05:16:43,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:43,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:43,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:43,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340701153] [2024-11-28 05:16:43,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340701153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:43,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:43,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:16:43,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114396094] [2024-11-28 05:16:43,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:43,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:43,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:43,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:43,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:43,894 INFO L87 Difference]: Start difference. First operand 246 states and 310 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:44,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:44,675 INFO L93 Difference]: Finished difference Result 470 states and 610 transitions. [2024-11-28 05:16:44,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:16:44,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2024-11-28 05:16:44,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:44,678 INFO L225 Difference]: With dead ends: 470 [2024-11-28 05:16:44,678 INFO L226 Difference]: Without dead ends: 382 [2024-11-28 05:16:44,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:16:44,680 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 1473 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1473 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:44,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1473 Valid, 783 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:16:44,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-28 05:16:44,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 246. [2024-11-28 05:16:44,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3148936170212766) internal successors, (309), 245 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:44,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 309 transitions. [2024-11-28 05:16:44,696 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 309 transitions. Word has length 62 [2024-11-28 05:16:44,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:44,696 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 309 transitions. [2024-11-28 05:16:44,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:44,697 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 309 transitions. [2024-11-28 05:16:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 05:16:44,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:44,702 INFO L218 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] [2024-11-28 05:16:44,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:16:44,703 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:44,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:44,703 INFO L85 PathProgramCache]: Analyzing trace with hash -201639857, now seen corresponding path program 1 times [2024-11-28 05:16:44,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:44,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491940487] [2024-11-28 05:16:44,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:44,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:45,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:45,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491940487] [2024-11-28 05:16:45,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491940487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:45,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:45,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:16:45,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456909642] [2024-11-28 05:16:45,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:45,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:45,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:45,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:45,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:45,232 INFO L87 Difference]: Start difference. First operand 246 states and 309 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:46,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:46,071 INFO L93 Difference]: Finished difference Result 444 states and 576 transitions. [2024-11-28 05:16:46,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:16:46,072 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2024-11-28 05:16:46,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:46,074 INFO L225 Difference]: With dead ends: 444 [2024-11-28 05:16:46,074 INFO L226 Difference]: Without dead ends: 378 [2024-11-28 05:16:46,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:16:46,076 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 1633 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:46,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 881 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:16:46,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-28 05:16:46,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 246. [2024-11-28 05:16:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3106382978723403) internal successors, (308), 245 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 308 transitions. [2024-11-28 05:16:46,088 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 308 transitions. Word has length 62 [2024-11-28 05:16:46,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:46,088 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 308 transitions. [2024-11-28 05:16:46,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:46,089 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 308 transitions. [2024-11-28 05:16:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 05:16:46,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:46,090 INFO L218 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] [2024-11-28 05:16:46,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:16:46,091 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:46,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:46,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1938423665, now seen corresponding path program 1 times [2024-11-28 05:16:46,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:46,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601314346] [2024-11-28 05:16:46,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:46,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:46,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601314346] [2024-11-28 05:16:46,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601314346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:46,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:46,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:16:46,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57187286] [2024-11-28 05:16:46,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:46,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:16:46,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:46,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:16:46,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:16:46,576 INFO L87 Difference]: Start difference. First operand 246 states and 308 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:47,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:47,239 INFO L93 Difference]: Finished difference Result 485 states and 610 transitions. [2024-11-28 05:16:47,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:16:47,240 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2024-11-28 05:16:47,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:47,244 INFO L225 Difference]: With dead ends: 485 [2024-11-28 05:16:47,244 INFO L226 Difference]: Without dead ends: 352 [2024-11-28 05:16:47,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:16:47,264 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 1276 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:47,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 764 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:16:47,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-28 05:16:47,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 246. [2024-11-28 05:16:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3063829787234043) internal successors, (307), 245 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 307 transitions. [2024-11-28 05:16:47,279 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 307 transitions. Word has length 62 [2024-11-28 05:16:47,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:47,280 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 307 transitions. [2024-11-28 05:16:47,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 307 transitions. [2024-11-28 05:16:47,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:16:47,281 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:47,281 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:47,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:16:47,281 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:47,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:47,282 INFO L85 PathProgramCache]: Analyzing trace with hash -2031197374, now seen corresponding path program 1 times [2024-11-28 05:16:47,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:47,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939937747] [2024-11-28 05:16:47,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:47,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:47,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:47,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939937747] [2024-11-28 05:16:47,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939937747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:47,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:47,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:16:47,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446785797] [2024-11-28 05:16:47,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:47,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:47,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:47,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:47,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:47,729 INFO L87 Difference]: Start difference. First operand 246 states and 307 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:48,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:48,486 INFO L93 Difference]: Finished difference Result 429 states and 549 transitions. [2024-11-28 05:16:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:16:48,487 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-28 05:16:48,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:48,489 INFO L225 Difference]: With dead ends: 429 [2024-11-28 05:16:48,490 INFO L226 Difference]: Without dead ends: 370 [2024-11-28 05:16:48,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:16:48,492 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 1673 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:48,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 782 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:16:48,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-28 05:16:48,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 246. [2024-11-28 05:16:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3021276595744682) internal successors, (306), 245 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 306 transitions. [2024-11-28 05:16:48,510 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 306 transitions. Word has length 64 [2024-11-28 05:16:48,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:48,510 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 306 transitions. [2024-11-28 05:16:48,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 306 transitions. [2024-11-28 05:16:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:16:48,511 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:48,511 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:48,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:16:48,512 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:48,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:48,512 INFO L85 PathProgramCache]: Analyzing trace with hash -119000272, now seen corresponding path program 1 times [2024-11-28 05:16:48,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:48,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295775344] [2024-11-28 05:16:48,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:48,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:48,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:48,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295775344] [2024-11-28 05:16:48,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295775344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:48,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:48,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:16:48,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640360352] [2024-11-28 05:16:48,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:48,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:48,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:48,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:48,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:48,907 INFO L87 Difference]: Start difference. First operand 246 states and 306 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:49,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:49,629 INFO L93 Difference]: Finished difference Result 449 states and 577 transitions. [2024-11-28 05:16:49,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:16:49,630 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-28 05:16:49,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:49,632 INFO L225 Difference]: With dead ends: 449 [2024-11-28 05:16:49,632 INFO L226 Difference]: Without dead ends: 378 [2024-11-28 05:16:49,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:16:49,635 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 1164 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:49,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 866 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:16:49,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-28 05:16:49,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 246. [2024-11-28 05:16:49,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.297872340425532) internal successors, (305), 245 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:49,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 305 transitions. [2024-11-28 05:16:49,651 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 305 transitions. Word has length 64 [2024-11-28 05:16:49,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:49,652 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 305 transitions. [2024-11-28 05:16:49,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:49,652 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 305 transitions. [2024-11-28 05:16:49,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:16:49,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:49,653 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:49,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:16:49,653 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:49,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:49,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1520301075, now seen corresponding path program 1 times [2024-11-28 05:16:49,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:49,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685732475] [2024-11-28 05:16:49,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:50,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:50,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685732475] [2024-11-28 05:16:50,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685732475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:50,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:50,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:16:50,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943576138] [2024-11-28 05:16:50,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:50,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:50,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:50,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:50,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:50,067 INFO L87 Difference]: Start difference. First operand 246 states and 305 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:50,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:50,753 INFO L93 Difference]: Finished difference Result 426 states and 544 transitions. [2024-11-28 05:16:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:16:50,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-28 05:16:50,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:50,756 INFO L225 Difference]: With dead ends: 426 [2024-11-28 05:16:50,756 INFO L226 Difference]: Without dead ends: 370 [2024-11-28 05:16:50,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:16:50,757 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 1073 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:50,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 938 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:16:50,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-28 05:16:50,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 246. [2024-11-28 05:16:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.2936170212765958) internal successors, (304), 245 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 304 transitions. [2024-11-28 05:16:50,770 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 304 transitions. Word has length 64 [2024-11-28 05:16:50,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:50,771 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 304 transitions. [2024-11-28 05:16:50,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 304 transitions. [2024-11-28 05:16:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:16:50,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:50,772 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:50,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:16:50,773 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:50,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:50,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1508633347, now seen corresponding path program 1 times [2024-11-28 05:16:50,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:50,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223525373] [2024-11-28 05:16:50,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:50,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:51,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:51,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223525373] [2024-11-28 05:16:51,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223525373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:51,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:51,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 05:16:51,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74118683] [2024-11-28 05:16:51,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:51,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:16:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:51,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:16:51,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:16:51,531 INFO L87 Difference]: Start difference. First operand 246 states and 304 transitions. Second operand has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:52,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:52,922 INFO L93 Difference]: Finished difference Result 517 states and 671 transitions. [2024-11-28 05:16:52,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 05:16:52,923 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-28 05:16:52,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:52,925 INFO L225 Difference]: With dead ends: 517 [2024-11-28 05:16:52,926 INFO L226 Difference]: Without dead ends: 512 [2024-11-28 05:16:52,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:16:52,927 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 3402 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:52,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3402 Valid, 1041 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:16:52,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-28 05:16:52,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 250. [2024-11-28 05:16:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 239 states have (on average 1.288702928870293) internal successors, (308), 249 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 308 transitions. [2024-11-28 05:16:52,938 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 308 transitions. Word has length 64 [2024-11-28 05:16:52,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:52,938 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 308 transitions. [2024-11-28 05:16:52,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:52,939 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 308 transitions. [2024-11-28 05:16:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:16:52,940 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:52,940 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:52,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:16:52,940 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:52,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:52,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2027506619, now seen corresponding path program 1 times [2024-11-28 05:16:52,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:52,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376357048] [2024-11-28 05:16:52,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:52,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:53,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:53,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376357048] [2024-11-28 05:16:53,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376357048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:53,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:53,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:16:53,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027500893] [2024-11-28 05:16:53,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:53,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:53,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:53,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:53,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:53,280 INFO L87 Difference]: Start difference. First operand 250 states and 308 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:54,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:54,051 INFO L93 Difference]: Finished difference Result 480 states and 613 transitions. [2024-11-28 05:16:54,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:16:54,052 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-28 05:16:54,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:54,054 INFO L225 Difference]: With dead ends: 480 [2024-11-28 05:16:54,054 INFO L226 Difference]: Without dead ends: 386 [2024-11-28 05:16:54,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:16:54,056 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 1439 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:54,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 1004 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:16:54,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-28 05:16:54,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 250. [2024-11-28 05:16:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 239 states have (on average 1.284518828451883) internal successors, (307), 249 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:54,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 307 transitions. [2024-11-28 05:16:54,069 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 307 transitions. Word has length 64 [2024-11-28 05:16:54,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:54,069 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 307 transitions. [2024-11-28 05:16:54,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:54,069 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 307 transitions. [2024-11-28 05:16:54,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:16:54,070 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:54,070 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:54,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:16:54,071 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:54,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:54,071 INFO L85 PathProgramCache]: Analyzing trace with hash -904154553, now seen corresponding path program 1 times [2024-11-28 05:16:54,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:54,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548291598] [2024-11-28 05:16:54,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:54,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:54,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:54,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548291598] [2024-11-28 05:16:54,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548291598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:54,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:54,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:16:54,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937667765] [2024-11-28 05:16:54,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:54,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:54,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:54,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:54,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:54,477 INFO L87 Difference]: Start difference. First operand 250 states and 307 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:55,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:55,283 INFO L93 Difference]: Finished difference Result 375 states and 463 transitions. [2024-11-28 05:16:55,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:16:55,284 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-28 05:16:55,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:55,286 INFO L225 Difference]: With dead ends: 375 [2024-11-28 05:16:55,287 INFO L226 Difference]: Without dead ends: 370 [2024-11-28 05:16:55,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:16:55,288 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 1416 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:55,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 944 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:16:55,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-28 05:16:55,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 250. [2024-11-28 05:16:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 239 states have (on average 1.2803347280334727) internal successors, (306), 249 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 306 transitions. [2024-11-28 05:16:55,298 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 306 transitions. Word has length 64 [2024-11-28 05:16:55,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:55,299 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 306 transitions. [2024-11-28 05:16:55,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 306 transitions. [2024-11-28 05:16:55,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:16:55,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:55,300 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:55,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 05:16:55,300 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:55,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:55,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1008042549, now seen corresponding path program 1 times [2024-11-28 05:16:55,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:55,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285382974] [2024-11-28 05:16:55,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:55,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:55,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:55,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285382974] [2024-11-28 05:16:55,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285382974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:55,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:55,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:16:55,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098789714] [2024-11-28 05:16:55,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:55,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:55,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:55,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:55,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:55,640 INFO L87 Difference]: Start difference. First operand 250 states and 306 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:56,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:56,457 INFO L93 Difference]: Finished difference Result 399 states and 495 transitions. [2024-11-28 05:16:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:16:56,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-28 05:16:56,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:56,460 INFO L225 Difference]: With dead ends: 399 [2024-11-28 05:16:56,460 INFO L226 Difference]: Without dead ends: 382 [2024-11-28 05:16:56,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:16:56,462 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 934 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:56,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1274 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:16:56,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-28 05:16:56,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 250. [2024-11-28 05:16:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 239 states have (on average 1.2761506276150627) internal successors, (305), 249 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2024-11-28 05:16:56,471 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 64 [2024-11-28 05:16:56,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:56,471 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2024-11-28 05:16:56,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:56,472 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2024-11-28 05:16:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 05:16:56,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:56,473 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:56,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:16:56,473 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:56,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:56,473 INFO L85 PathProgramCache]: Analyzing trace with hash -743174492, now seen corresponding path program 1 times [2024-11-28 05:16:56,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:56,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98870951] [2024-11-28 05:16:56,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:56,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:56,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:56,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:56,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98870951] [2024-11-28 05:16:56,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98870951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:56,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:56,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:16:56,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992224868] [2024-11-28 05:16:56,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:56,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:56,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:56,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:56,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:16:56,774 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:57,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:57,526 INFO L93 Difference]: Finished difference Result 375 states and 461 transitions. [2024-11-28 05:16:57,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:16:57,527 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-28 05:16:57,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:57,529 INFO L225 Difference]: With dead ends: 375 [2024-11-28 05:16:57,529 INFO L226 Difference]: Without dead ends: 370 [2024-11-28 05:16:57,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:16:57,530 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 981 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:57,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 989 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:16:57,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-28 05:16:57,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 246. [2024-11-28 05:16:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.2765957446808511) internal successors, (300), 245 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 300 transitions. [2024-11-28 05:16:57,538 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 300 transitions. Word has length 65 [2024-11-28 05:16:57,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:57,539 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 300 transitions. [2024-11-28 05:16:57,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 300 transitions. [2024-11-28 05:16:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 05:16:57,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:57,540 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:57,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 05:16:57,540 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:57,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:57,541 INFO L85 PathProgramCache]: Analyzing trace with hash 370944031, now seen corresponding path program 1 times [2024-11-28 05:16:57,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:57,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936367553] [2024-11-28 05:16:57,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:57,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:58,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:58,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936367553] [2024-11-28 05:16:58,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936367553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:58,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:58,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 05:16:58,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915393531] [2024-11-28 05:16:58,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:58,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:16:58,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:58,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:16:58,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:16:58,253 INFO L87 Difference]: Start difference. First operand 246 states and 300 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:58,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:58,931 INFO L93 Difference]: Finished difference Result 600 states and 765 transitions. [2024-11-28 05:16:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:16:58,931 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-28 05:16:58,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:58,933 INFO L225 Difference]: With dead ends: 600 [2024-11-28 05:16:58,933 INFO L226 Difference]: Without dead ends: 483 [2024-11-28 05:16:58,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:16:58,935 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 1265 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 1845 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:58,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 1845 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:16:58,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-28 05:16:58,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 183. [2024-11-28 05:16:58,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 176 states have (on average 1.2670454545454546) internal successors, (223), 182 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2024-11-28 05:16:58,942 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 223 transitions. Word has length 66 [2024-11-28 05:16:58,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:58,942 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 223 transitions. [2024-11-28 05:16:58,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:16:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 223 transitions. [2024-11-28 05:16:58,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 05:16:58,943 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:58,944 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:58,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 05:16:58,945 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:16:58,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:58,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1787778406, now seen corresponding path program 1 times [2024-11-28 05:16:58,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:58,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404171014] [2024-11-28 05:16:58,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:58,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:00,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:00,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404171014] [2024-11-28 05:17:00,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404171014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:00,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:00,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-11-28 05:17:00,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915566398] [2024-11-28 05:17:00,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:00,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 05:17:00,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:00,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 05:17:00,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-11-28 05:17:00,784 INFO L87 Difference]: Start difference. First operand 183 states and 223 transitions. Second operand has 24 states, 24 states have (on average 2.75) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:04,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:04,599 INFO L93 Difference]: Finished difference Result 654 states and 850 transitions. [2024-11-28 05:17:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 05:17:04,600 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.75) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-28 05:17:04,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:04,602 INFO L225 Difference]: With dead ends: 654 [2024-11-28 05:17:04,603 INFO L226 Difference]: Without dead ends: 596 [2024-11-28 05:17:04,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=315, Invalid=1577, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 05:17:04,605 INFO L435 NwaCegarLoop]: 413 mSDtfsCounter, 2108 mSDsluCounter, 4515 mSDsCounter, 0 mSdLazyCounter, 2472 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 4928 SdHoareTripleChecker+Invalid, 2488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:04,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 4928 Invalid, 2488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2472 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 05:17:04,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-28 05:17:04,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 198. [2024-11-28 05:17:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 191 states have (on average 1.2774869109947644) internal successors, (244), 197 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:04,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 244 transitions. [2024-11-28 05:17:04,617 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 244 transitions. Word has length 66 [2024-11-28 05:17:04,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:04,617 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 244 transitions. [2024-11-28 05:17:04,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.75) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 244 transitions. [2024-11-28 05:17:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 05:17:04,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:04,620 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:04,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 05:17:04,620 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:04,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:04,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1127331716, now seen corresponding path program 1 times [2024-11-28 05:17:04,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:04,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145808985] [2024-11-28 05:17:04,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:04,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:05,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:05,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145808985] [2024-11-28 05:17:05,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145808985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:05,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:05,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 05:17:05,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383249678] [2024-11-28 05:17:05,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:05,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:17:05,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:05,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:17:05,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:17:05,353 INFO L87 Difference]: Start difference. First operand 198 states and 244 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:06,312 INFO L93 Difference]: Finished difference Result 437 states and 561 transitions. [2024-11-28 05:17:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:17:06,312 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-28 05:17:06,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:06,314 INFO L225 Difference]: With dead ends: 437 [2024-11-28 05:17:06,314 INFO L226 Difference]: Without dead ends: 433 [2024-11-28 05:17:06,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:17:06,315 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 1393 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 1574 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:06,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 1574 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:17:06,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-28 05:17:06,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 194. [2024-11-28 05:17:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.2765957446808511) internal successors, (240), 193 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 240 transitions. [2024-11-28 05:17:06,322 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 240 transitions. Word has length 66 [2024-11-28 05:17:06,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:06,322 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 240 transitions. [2024-11-28 05:17:06,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 240 transitions. [2024-11-28 05:17:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 05:17:06,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:06,323 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:06,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 05:17:06,323 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:06,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:06,326 INFO L85 PathProgramCache]: Analyzing trace with hash -653185432, now seen corresponding path program 1 times [2024-11-28 05:17:06,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:06,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591825165] [2024-11-28 05:17:06,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:06,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:07,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:07,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591825165] [2024-11-28 05:17:07,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591825165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:07,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:07,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-28 05:17:07,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830544381] [2024-11-28 05:17:07,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:07,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 05:17:07,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:07,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 05:17:07,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:17:07,692 INFO L87 Difference]: Start difference. First operand 194 states and 240 transitions. Second operand has 22 states, 22 states have (on average 3.0) internal successors, (66), 22 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:10,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:10,780 INFO L93 Difference]: Finished difference Result 644 states and 838 transitions. [2024-11-28 05:17:10,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 05:17:10,781 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.0) internal successors, (66), 22 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-28 05:17:10,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:10,784 INFO L225 Difference]: With dead ends: 644 [2024-11-28 05:17:10,784 INFO L226 Difference]: Without dead ends: 583 [2024-11-28 05:17:10,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=248, Invalid=1312, Unknown=0, NotChecked=0, Total=1560 [2024-11-28 05:17:10,786 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 1803 mSDsluCounter, 4015 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 4357 SdHoareTripleChecker+Invalid, 2263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:10,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1803 Valid, 4357 Invalid, 2263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 05:17:10,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-28 05:17:10,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 203. [2024-11-28 05:17:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 197 states have (on average 1.2791878172588833) internal successors, (252), 202 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:10,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2024-11-28 05:17:10,796 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 66 [2024-11-28 05:17:10,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:10,797 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2024-11-28 05:17:10,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.0) internal successors, (66), 22 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2024-11-28 05:17:10,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 05:17:10,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:10,798 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:10,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 05:17:10,798 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:10,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:10,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1673815221, now seen corresponding path program 1 times [2024-11-28 05:17:10,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:10,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003485835] [2024-11-28 05:17:10,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:10,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:13,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:13,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:13,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003485835] [2024-11-28 05:17:13,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003485835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:13,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:13,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-28 05:17:13,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452102511] [2024-11-28 05:17:13,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:13,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 05:17:13,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:13,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 05:17:13,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:17:13,140 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:18,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:18,524 INFO L93 Difference]: Finished difference Result 837 states and 1125 transitions. [2024-11-28 05:17:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 05:17:18,525 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-28 05:17:18,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:18,528 INFO L225 Difference]: With dead ends: 837 [2024-11-28 05:17:18,528 INFO L226 Difference]: Without dead ends: 779 [2024-11-28 05:17:18,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=400, Invalid=1670, Unknown=0, NotChecked=0, Total=2070 [2024-11-28 05:17:18,530 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 2778 mSDsluCounter, 3956 mSDsCounter, 0 mSdLazyCounter, 2234 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2778 SdHoareTripleChecker+Valid, 4173 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:18,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2778 Valid, 4173 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2234 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 05:17:18,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-28 05:17:18,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 203. [2024-11-28 05:17:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 197 states have (on average 1.2791878172588833) internal successors, (252), 202 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2024-11-28 05:17:18,540 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 67 [2024-11-28 05:17:18,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:18,540 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2024-11-28 05:17:18,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2024-11-28 05:17:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 05:17:18,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:18,542 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:18,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 05:17:18,542 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:18,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:18,543 INFO L85 PathProgramCache]: Analyzing trace with hash -539222247, now seen corresponding path program 1 times [2024-11-28 05:17:18,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:18,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511334917] [2024-11-28 05:17:18,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:18,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:19,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:19,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511334917] [2024-11-28 05:17:19,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511334917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:19,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:19,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:17:19,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829477504] [2024-11-28 05:17:19,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:19,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:17:19,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:19,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:17:19,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:17:19,519 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 15 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:20,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:20,953 INFO L93 Difference]: Finished difference Result 451 states and 589 transitions. [2024-11-28 05:17:20,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:17:20,954 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 15 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-28 05:17:20,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:20,955 INFO L225 Difference]: With dead ends: 451 [2024-11-28 05:17:20,955 INFO L226 Difference]: Without dead ends: 368 [2024-11-28 05:17:20,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2024-11-28 05:17:20,956 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 832 mSDsluCounter, 2726 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 3030 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:20,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 3030 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:17:20,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-28 05:17:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 194. [2024-11-28 05:17:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.2659574468085106) internal successors, (238), 193 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 238 transitions. [2024-11-28 05:17:20,963 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 238 transitions. Word has length 67 [2024-11-28 05:17:20,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:20,963 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 238 transitions. [2024-11-28 05:17:20,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 15 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 238 transitions. [2024-11-28 05:17:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 05:17:20,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:20,965 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:20,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 05:17:20,965 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:20,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:20,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1128954968, now seen corresponding path program 1 times [2024-11-28 05:17:20,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:20,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476840079] [2024-11-28 05:17:20,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:20,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:21,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:21,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476840079] [2024-11-28 05:17:21,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476840079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:21,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:21,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:17:21,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681530325] [2024-11-28 05:17:21,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:21,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:17:21,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:21,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:17:21,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:17:21,252 INFO L87 Difference]: Start difference. First operand 194 states and 238 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:21,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:21,788 INFO L93 Difference]: Finished difference Result 290 states and 362 transitions. [2024-11-28 05:17:21,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:17:21,789 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-28 05:17:21,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:21,791 INFO L225 Difference]: With dead ends: 290 [2024-11-28 05:17:21,791 INFO L226 Difference]: Without dead ends: 283 [2024-11-28 05:17:21,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:17:21,793 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 1169 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:21,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 576 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:17:21,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-28 05:17:21,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 194. [2024-11-28 05:17:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.2553191489361701) internal successors, (236), 193 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 236 transitions. [2024-11-28 05:17:21,800 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 236 transitions. Word has length 67 [2024-11-28 05:17:21,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:21,800 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 236 transitions. [2024-11-28 05:17:21,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 236 transitions. [2024-11-28 05:17:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 05:17:21,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:21,801 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:21,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 05:17:21,802 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:21,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:21,802 INFO L85 PathProgramCache]: Analyzing trace with hash -710008920, now seen corresponding path program 1 times [2024-11-28 05:17:21,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:21,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696133395] [2024-11-28 05:17:21,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:21,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:22,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:22,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696133395] [2024-11-28 05:17:22,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696133395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:22,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:22,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:17:22,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740677397] [2024-11-28 05:17:22,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:22,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:17:22,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:22,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:17:22,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:17:22,068 INFO L87 Difference]: Start difference. First operand 194 states and 236 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:22,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:22,576 INFO L93 Difference]: Finished difference Result 349 states and 446 transitions. [2024-11-28 05:17:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:17:22,577 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-28 05:17:22,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:22,579 INFO L225 Difference]: With dead ends: 349 [2024-11-28 05:17:22,579 INFO L226 Difference]: Without dead ends: 277 [2024-11-28 05:17:22,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:17:22,579 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 808 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:22,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 641 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:17:22,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-28 05:17:22,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 194. [2024-11-28 05:17:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.2446808510638299) internal successors, (234), 193 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:22,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 234 transitions. [2024-11-28 05:17:22,586 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 234 transitions. Word has length 67 [2024-11-28 05:17:22,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:22,587 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 234 transitions. [2024-11-28 05:17:22,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:22,587 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 234 transitions. [2024-11-28 05:17:22,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 05:17:22,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:22,588 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:22,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 05:17:22,589 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:22,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:22,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1303055616, now seen corresponding path program 1 times [2024-11-28 05:17:22,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:22,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583037506] [2024-11-28 05:17:22,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:22,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:22,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:22,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583037506] [2024-11-28 05:17:22,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583037506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:22,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:22,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 05:17:22,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328589381] [2024-11-28 05:17:22,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:22,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:17:22,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:22,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:17:22,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:17:22,998 INFO L87 Difference]: Start difference. First operand 194 states and 234 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:23,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:23,880 INFO L93 Difference]: Finished difference Result 432 states and 564 transitions. [2024-11-28 05:17:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 05:17:23,880 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-28 05:17:23,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:23,882 INFO L225 Difference]: With dead ends: 432 [2024-11-28 05:17:23,882 INFO L226 Difference]: Without dead ends: 425 [2024-11-28 05:17:23,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:17:23,883 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 2678 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:23,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2678 Valid, 780 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:17:23,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-28 05:17:23,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 198. [2024-11-28 05:17:23,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.2395833333333333) internal successors, (238), 197 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:23,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 238 transitions. [2024-11-28 05:17:23,891 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 238 transitions. Word has length 67 [2024-11-28 05:17:23,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:23,891 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 238 transitions. [2024-11-28 05:17:23,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 238 transitions. [2024-11-28 05:17:23,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 05:17:23,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:23,892 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:23,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 05:17:23,893 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:23,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:23,893 INFO L85 PathProgramCache]: Analyzing trace with hash 763644804, now seen corresponding path program 1 times [2024-11-28 05:17:23,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:23,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699244608] [2024-11-28 05:17:23,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:23,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:24,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:24,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699244608] [2024-11-28 05:17:24,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699244608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:24,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:24,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 05:17:24,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852360545] [2024-11-28 05:17:24,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:24,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:17:24,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:24,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:17:24,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:17:24,384 INFO L87 Difference]: Start difference. First operand 198 states and 238 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:24,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:24,924 INFO L93 Difference]: Finished difference Result 303 states and 377 transitions. [2024-11-28 05:17:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:17:24,924 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-28 05:17:24,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:24,925 INFO L225 Difference]: With dead ends: 303 [2024-11-28 05:17:24,925 INFO L226 Difference]: Without dead ends: 271 [2024-11-28 05:17:24,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:17:24,926 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 845 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:24,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1557 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:17:24,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-28 05:17:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 160. [2024-11-28 05:17:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 156 states have (on average 1.2564102564102564) internal successors, (196), 159 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 196 transitions. [2024-11-28 05:17:24,932 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 196 transitions. Word has length 67 [2024-11-28 05:17:24,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:24,932 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 196 transitions. [2024-11-28 05:17:24,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2024-11-28 05:17:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 05:17:24,933 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:24,933 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:24,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 05:17:24,933 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:24,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:24,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1599979240, now seen corresponding path program 1 times [2024-11-28 05:17:24,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:24,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872114146] [2024-11-28 05:17:24,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:24,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:25,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:25,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872114146] [2024-11-28 05:17:25,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872114146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:25,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:25,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 05:17:25,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628661178] [2024-11-28 05:17:25,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:25,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:17:25,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:25,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:17:25,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:17:25,431 INFO L87 Difference]: Start difference. First operand 160 states and 196 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:26,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:26,036 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2024-11-28 05:17:26,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:17:26,037 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-28 05:17:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:26,038 INFO L225 Difference]: With dead ends: 287 [2024-11-28 05:17:26,038 INFO L226 Difference]: Without dead ends: 213 [2024-11-28 05:17:26,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:17:26,039 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 604 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:26,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 1376 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:17:26,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-28 05:17:26,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 134. [2024-11-28 05:17:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 132 states have (on average 1.25) internal successors, (165), 133 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 165 transitions. [2024-11-28 05:17:26,043 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 165 transitions. Word has length 67 [2024-11-28 05:17:26,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:26,043 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 165 transitions. [2024-11-28 05:17:26,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:26,044 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2024-11-28 05:17:26,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 05:17:26,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:26,045 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:26,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 05:17:26,045 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:26,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:26,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1308874992, now seen corresponding path program 1 times [2024-11-28 05:17:26,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:26,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587768258] [2024-11-28 05:17:26,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:26,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:27,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:27,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587768258] [2024-11-28 05:17:27,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587768258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:27,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:27,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 05:17:27,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707095550] [2024-11-28 05:17:27,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:27,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:17:27,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:27,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:17:27,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:17:27,032 INFO L87 Difference]: Start difference. First operand 134 states and 165 transitions. Second operand has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:28,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:28,299 INFO L93 Difference]: Finished difference Result 298 states and 390 transitions. [2024-11-28 05:17:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 05:17:28,299 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-28 05:17:28,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:28,300 INFO L225 Difference]: With dead ends: 298 [2024-11-28 05:17:28,300 INFO L226 Difference]: Without dead ends: 292 [2024-11-28 05:17:28,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=208, Invalid=662, Unknown=0, NotChecked=0, Total=870 [2024-11-28 05:17:28,301 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 845 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:28,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1656 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:17:28,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-28 05:17:28,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 152. [2024-11-28 05:17:28,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 150 states have (on average 1.2466666666666666) internal successors, (187), 151 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions. [2024-11-28 05:17:28,305 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 69 [2024-11-28 05:17:28,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:28,305 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions. [2024-11-28 05:17:28,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2024-11-28 05:17:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 05:17:28,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:28,306 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:28,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 05:17:28,307 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:28,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:28,307 INFO L85 PathProgramCache]: Analyzing trace with hash -933011809, now seen corresponding path program 1 times [2024-11-28 05:17:28,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:28,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157420294] [2024-11-28 05:17:28,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:29,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:29,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157420294] [2024-11-28 05:17:29,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157420294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:29,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:29,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-28 05:17:29,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255604399] [2024-11-28 05:17:29,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:29,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 05:17:29,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:29,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 05:17:29,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:17:29,448 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:31,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:31,125 INFO L93 Difference]: Finished difference Result 371 states and 487 transitions. [2024-11-28 05:17:31,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 05:17:31,125 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-28 05:17:31,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:31,127 INFO L225 Difference]: With dead ends: 371 [2024-11-28 05:17:31,127 INFO L226 Difference]: Without dead ends: 365 [2024-11-28 05:17:31,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=190, Invalid=866, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 05:17:31,128 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 1191 mSDsluCounter, 2816 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 3103 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:31,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 3103 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:17:31,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-28 05:17:31,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 157. [2024-11-28 05:17:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 155 states have (on average 1.2451612903225806) internal successors, (193), 156 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 193 transitions. [2024-11-28 05:17:31,133 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 193 transitions. Word has length 70 [2024-11-28 05:17:31,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:31,134 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 193 transitions. [2024-11-28 05:17:31,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 193 transitions. [2024-11-28 05:17:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 05:17:31,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:31,135 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:31,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 05:17:31,135 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:31,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:31,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1286714649, now seen corresponding path program 1 times [2024-11-28 05:17:31,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:31,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167350478] [2024-11-28 05:17:31,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:31,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:32,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:32,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167350478] [2024-11-28 05:17:32,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167350478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:32,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:32,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-28 05:17:32,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42346324] [2024-11-28 05:17:32,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:32,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:17:32,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:32,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:17:32,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:17:32,042 INFO L87 Difference]: Start difference. First operand 157 states and 193 transitions. Second operand has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:33,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:33,407 INFO L93 Difference]: Finished difference Result 375 states and 497 transitions. [2024-11-28 05:17:33,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:17:33,407 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-28 05:17:33,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:33,408 INFO L225 Difference]: With dead ends: 375 [2024-11-28 05:17:33,408 INFO L226 Difference]: Without dead ends: 369 [2024-11-28 05:17:33,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=177, Invalid=753, Unknown=0, NotChecked=0, Total=930 [2024-11-28 05:17:33,409 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 1273 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 2605 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:33,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 2605 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:17:33,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-28 05:17:33,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 152. [2024-11-28 05:17:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 150 states have (on average 1.2466666666666666) internal successors, (187), 151 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions. [2024-11-28 05:17:33,418 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 71 [2024-11-28 05:17:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:33,418 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions. [2024-11-28 05:17:33,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2024-11-28 05:17:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 05:17:33,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:33,419 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:33,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 05:17:33,419 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:33,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:33,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1087571485, now seen corresponding path program 1 times [2024-11-28 05:17:33,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:33,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281783332] [2024-11-28 05:17:33,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:33,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:34,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:34,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281783332] [2024-11-28 05:17:34,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281783332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:34,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:34,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 05:17:34,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129676243] [2024-11-28 05:17:34,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:34,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:17:34,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:34,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:17:34,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:17:34,210 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:35,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:35,057 INFO L93 Difference]: Finished difference Result 252 states and 327 transitions. [2024-11-28 05:17:35,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:17:35,058 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-28 05:17:35,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:35,059 INFO L225 Difference]: With dead ends: 252 [2024-11-28 05:17:35,059 INFO L226 Difference]: Without dead ends: 246 [2024-11-28 05:17:35,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:17:35,059 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 577 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:35,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1792 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:17:35,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-28 05:17:35,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2024-11-28 05:17:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 150 states have (on average 1.2466666666666666) internal successors, (187), 151 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions. [2024-11-28 05:17:35,063 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 71 [2024-11-28 05:17:35,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:35,063 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions. [2024-11-28 05:17:35,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2024-11-28 05:17:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 05:17:35,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:35,064 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:35,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 05:17:35,064 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:35,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:35,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1783097309, now seen corresponding path program 1 times [2024-11-28 05:17:35,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:35,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654741741] [2024-11-28 05:17:35,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:36,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:36,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654741741] [2024-11-28 05:17:36,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654741741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:36,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:36,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 05:17:36,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205454271] [2024-11-28 05:17:36,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:36,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 05:17:36,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:36,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 05:17:36,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:17:36,120 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:38,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:38,161 INFO L93 Difference]: Finished difference Result 420 states and 566 transitions. [2024-11-28 05:17:38,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 05:17:38,162 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-28 05:17:38,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:38,163 INFO L225 Difference]: With dead ends: 420 [2024-11-28 05:17:38,163 INFO L226 Difference]: Without dead ends: 414 [2024-11-28 05:17:38,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=256, Invalid=1004, Unknown=0, NotChecked=0, Total=1260 [2024-11-28 05:17:38,165 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 643 mSDsluCounter, 3246 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:38,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 3529 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:17:38,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-28 05:17:38,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 128. [2024-11-28 05:17:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.2519685039370079) internal successors, (159), 127 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:38,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 159 transitions. [2024-11-28 05:17:38,170 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 159 transitions. Word has length 72 [2024-11-28 05:17:38,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:38,171 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 159 transitions. [2024-11-28 05:17:38,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 159 transitions. [2024-11-28 05:17:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 05:17:38,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:38,172 INFO L218 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] [2024-11-28 05:17:38,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 05:17:38,172 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:38,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:38,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1208516883, now seen corresponding path program 1 times [2024-11-28 05:17:38,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:38,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635724991] [2024-11-28 05:17:38,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:38,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:38,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:38,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635724991] [2024-11-28 05:17:38,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635724991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:38,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:38,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:17:38,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449478465] [2024-11-28 05:17:38,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:38,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:17:38,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:38,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:17:38,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:17:38,335 INFO L87 Difference]: Start difference. First operand 128 states and 159 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 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) [2024-11-28 05:17:38,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:38,495 INFO L93 Difference]: Finished difference Result 560 states and 799 transitions. [2024-11-28 05:17:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:17:38,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 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 [2024-11-28 05:17:38,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:38,497 INFO L225 Difference]: With dead ends: 560 [2024-11-28 05:17:38,497 INFO L226 Difference]: Without dead ends: 506 [2024-11-28 05:17:38,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:17:38,498 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 895 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:38,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 950 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:17:38,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-28 05:17:38,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 180. [2024-11-28 05:17:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 179 states have (on average 1.318435754189944) internal successors, (236), 179 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 236 transitions. [2024-11-28 05:17:38,516 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 236 transitions. Word has length 92 [2024-11-28 05:17:38,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:38,517 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 236 transitions. [2024-11-28 05:17:38,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 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) [2024-11-28 05:17:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 236 transitions. [2024-11-28 05:17:38,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 05:17:38,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:38,519 INFO L218 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] [2024-11-28 05:17:38,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 05:17:38,520 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:38,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:38,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1324206254, now seen corresponding path program 1 times [2024-11-28 05:17:38,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:38,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425226572] [2024-11-28 05:17:38,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:38,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:38,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:38,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:38,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425226572] [2024-11-28 05:17:38,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425226572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:38,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:38,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:17:38,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384767896] [2024-11-28 05:17:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:38,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:17:38,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:38,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:17:38,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:17:38,675 INFO L87 Difference]: Start difference. First operand 180 states and 236 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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) [2024-11-28 05:17:38,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:38,783 INFO L93 Difference]: Finished difference Result 658 states and 942 transitions. [2024-11-28 05:17:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:17:38,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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 [2024-11-28 05:17:38,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:38,786 INFO L225 Difference]: With dead ends: 658 [2024-11-28 05:17:38,786 INFO L226 Difference]: Without dead ends: 552 [2024-11-28 05:17:38,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:17:38,789 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 647 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:38,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 662 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:17:38,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-28 05:17:38,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 284. [2024-11-28 05:17:38,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 283 states have (on average 1.3816254416961131) internal successors, (391), 283 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:38,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 391 transitions. [2024-11-28 05:17:38,800 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 391 transitions. Word has length 94 [2024-11-28 05:17:38,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:38,801 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 391 transitions. [2024-11-28 05:17:38,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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) [2024-11-28 05:17:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 391 transitions. [2024-11-28 05:17:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 05:17:38,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:38,802 INFO L218 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] [2024-11-28 05:17:38,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 05:17:38,803 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:38,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:38,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1309824789, now seen corresponding path program 1 times [2024-11-28 05:17:38,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:38,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17987166] [2024-11-28 05:17:38,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:39,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:39,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17987166] [2024-11-28 05:17:39,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17987166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:39,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:39,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:17:39,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760819250] [2024-11-28 05:17:39,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:39,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:17:39,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:39,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:17:39,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:17:39,095 INFO L87 Difference]: Start difference. First operand 284 states and 391 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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) [2024-11-28 05:17:39,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:39,197 INFO L93 Difference]: Finished difference Result 496 states and 704 transitions. [2024-11-28 05:17:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:17:39,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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 [2024-11-28 05:17:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:39,198 INFO L225 Difference]: With dead ends: 496 [2024-11-28 05:17:39,198 INFO L226 Difference]: Without dead ends: 286 [2024-11-28 05:17:39,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:17:39,199 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 75 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:39,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 455 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:39,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-28 05:17:39,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 284. [2024-11-28 05:17:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 283 states have (on average 1.3745583038869258) internal successors, (389), 283 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:39,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 389 transitions. [2024-11-28 05:17:39,205 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 389 transitions. Word has length 94 [2024-11-28 05:17:39,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:39,205 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 389 transitions. [2024-11-28 05:17:39,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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) [2024-11-28 05:17:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 389 transitions. [2024-11-28 05:17:39,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 05:17:39,206 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:39,206 INFO L218 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] [2024-11-28 05:17:39,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 05:17:39,207 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:39,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash 570084468, now seen corresponding path program 1 times [2024-11-28 05:17:39,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:39,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041421228] [2024-11-28 05:17:39,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:39,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:39,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:39,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:39,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041421228] [2024-11-28 05:17:39,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041421228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:39,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:39,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:17:39,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526801404] [2024-11-28 05:17:39,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:39,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:17:39,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:39,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:17:39,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:39,274 INFO L87 Difference]: Start difference. First operand 284 states and 389 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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) [2024-11-28 05:17:39,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:39,309 INFO L93 Difference]: Finished difference Result 678 states and 965 transitions. [2024-11-28 05:17:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:17:39,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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 [2024-11-28 05:17:39,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:39,311 INFO L225 Difference]: With dead ends: 678 [2024-11-28 05:17:39,311 INFO L226 Difference]: Without dead ends: 468 [2024-11-28 05:17:39,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:39,312 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 89 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:39,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 251 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-28 05:17:39,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 462. [2024-11-28 05:17:39,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 461 states have (on average 1.3882863340563991) internal successors, (640), 461 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:39,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 640 transitions. [2024-11-28 05:17:39,322 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 640 transitions. Word has length 94 [2024-11-28 05:17:39,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:39,322 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 640 transitions. [2024-11-28 05:17:39,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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) [2024-11-28 05:17:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 640 transitions. [2024-11-28 05:17:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 05:17:39,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:39,324 INFO L218 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] [2024-11-28 05:17:39,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 05:17:39,324 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:39,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:39,325 INFO L85 PathProgramCache]: Analyzing trace with hash -337360546, now seen corresponding path program 1 times [2024-11-28 05:17:39,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:39,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789210332] [2024-11-28 05:17:39,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:39,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:39,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:39,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789210332] [2024-11-28 05:17:39,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789210332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:39,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:39,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:17:39,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510465573] [2024-11-28 05:17:39,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:39,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:17:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:39,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:17:39,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:17:39,591 INFO L87 Difference]: Start difference. First operand 462 states and 640 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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) [2024-11-28 05:17:39,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:39,687 INFO L93 Difference]: Finished difference Result 1341 states and 1908 transitions. [2024-11-28 05:17:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:17:39,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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 [2024-11-28 05:17:39,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:39,691 INFO L225 Difference]: With dead ends: 1341 [2024-11-28 05:17:39,691 INFO L226 Difference]: Without dead ends: 1146 [2024-11-28 05:17:39,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:17:39,692 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 614 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:39,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 683 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:17:39,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2024-11-28 05:17:39,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 752. [2024-11-28 05:17:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.4087882822902795) internal successors, (1058), 751 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1058 transitions. [2024-11-28 05:17:39,707 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1058 transitions. Word has length 94 [2024-11-28 05:17:39,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:39,708 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1058 transitions. [2024-11-28 05:17:39,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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) [2024-11-28 05:17:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1058 transitions. [2024-11-28 05:17:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 05:17:39,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:39,709 INFO L218 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] [2024-11-28 05:17:39,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 05:17:39,710 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:39,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:39,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1456780136, now seen corresponding path program 1 times [2024-11-28 05:17:39,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:39,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890853093] [2024-11-28 05:17:39,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:39,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:39,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:39,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890853093] [2024-11-28 05:17:39,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890853093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:39,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:39,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:17:39,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806905670] [2024-11-28 05:17:39,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:39,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:17:39,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:39,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:17:39,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:17:39,857 INFO L87 Difference]: Start difference. First operand 752 states and 1058 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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) [2024-11-28 05:17:39,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:39,950 INFO L93 Difference]: Finished difference Result 1534 states and 2187 transitions. [2024-11-28 05:17:39,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:17:39,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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 [2024-11-28 05:17:39,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:39,953 INFO L225 Difference]: With dead ends: 1534 [2024-11-28 05:17:39,953 INFO L226 Difference]: Without dead ends: 1339 [2024-11-28 05:17:39,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:17:39,954 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 583 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:39,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 734 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:17:39,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-28 05:17:39,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 945. [2024-11-28 05:17:39,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 944 states have (on average 1.416313559322034) internal successors, (1337), 944 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1337 transitions. [2024-11-28 05:17:39,991 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1337 transitions. Word has length 94 [2024-11-28 05:17:39,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:39,992 INFO L471 AbstractCegarLoop]: Abstraction has 945 states and 1337 transitions. [2024-11-28 05:17:39,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 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) [2024-11-28 05:17:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1337 transitions. [2024-11-28 05:17:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 05:17:39,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:39,993 INFO L218 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] [2024-11-28 05:17:39,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 05:17:39,994 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:39,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:39,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1890695249, now seen corresponding path program 1 times [2024-11-28 05:17:39,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:39,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284878272] [2024-11-28 05:17:39,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:39,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:40,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:40,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284878272] [2024-11-28 05:17:40,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284878272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:40,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:40,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:17:40,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177973939] [2024-11-28 05:17:40,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:40,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:17:40,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:40,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:17:40,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:40,123 INFO L87 Difference]: Start difference. First operand 945 states and 1337 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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) [2024-11-28 05:17:40,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:40,153 INFO L93 Difference]: Finished difference Result 2615 states and 3727 transitions. [2024-11-28 05:17:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:17:40,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 [2024-11-28 05:17:40,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:40,158 INFO L225 Difference]: With dead ends: 2615 [2024-11-28 05:17:40,158 INFO L226 Difference]: Without dead ends: 1744 [2024-11-28 05:17:40,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:40,162 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 72 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:40,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:40,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2024-11-28 05:17:40,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1670. [2024-11-28 05:17:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1669 states have (on average 1.4140203714799282) internal successors, (2360), 1669 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2360 transitions. [2024-11-28 05:17:40,191 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2360 transitions. Word has length 95 [2024-11-28 05:17:40,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:40,192 INFO L471 AbstractCegarLoop]: Abstraction has 1670 states and 2360 transitions. [2024-11-28 05:17:40,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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) [2024-11-28 05:17:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2360 transitions. [2024-11-28 05:17:40,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 05:17:40,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:40,193 INFO L218 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] [2024-11-28 05:17:40,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 05:17:40,193 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:40,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:40,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1608306199, now seen corresponding path program 1 times [2024-11-28 05:17:40,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:40,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464162070] [2024-11-28 05:17:40,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:40,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:40,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:40,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464162070] [2024-11-28 05:17:40,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464162070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:40,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:40,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:17:40,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145380789] [2024-11-28 05:17:40,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:40,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:17:40,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:40,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:17:40,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:40,342 INFO L87 Difference]: Start difference. First operand 1670 states and 2360 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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) [2024-11-28 05:17:40,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:40,373 INFO L93 Difference]: Finished difference Result 4718 states and 6670 transitions. [2024-11-28 05:17:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:17:40,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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 [2024-11-28 05:17:40,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:40,379 INFO L225 Difference]: With dead ends: 4718 [2024-11-28 05:17:40,379 INFO L226 Difference]: Without dead ends: 3122 [2024-11-28 05:17:40,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:40,382 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 65 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:40,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:40,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3122 states. [2024-11-28 05:17:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3122 to 2976. [2024-11-28 05:17:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 2975 states have (on average 1.4023529411764706) internal successors, (4172), 2975 states have internal predecessors, (4172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:40,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 4172 transitions. [2024-11-28 05:17:40,430 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 4172 transitions. Word has length 96 [2024-11-28 05:17:40,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:40,431 INFO L471 AbstractCegarLoop]: Abstraction has 2976 states and 4172 transitions. [2024-11-28 05:17:40,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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) [2024-11-28 05:17:40,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 4172 transitions. [2024-11-28 05:17:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 05:17:40,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:40,432 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:40,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 05:17:40,432 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:40,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:40,433 INFO L85 PathProgramCache]: Analyzing trace with hash -916899152, now seen corresponding path program 1 times [2024-11-28 05:17:40,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:40,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602227412] [2024-11-28 05:17:40,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:40,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:40,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:40,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602227412] [2024-11-28 05:17:40,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602227412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:40,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:40,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:17:40,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890722460] [2024-11-28 05:17:40,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:40,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:17:40,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:40,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:17:40,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:40,609 INFO L87 Difference]: Start difference. First operand 2976 states and 4172 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:40,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:40,722 INFO L93 Difference]: Finished difference Result 8492 states and 11854 transitions. [2024-11-28 05:17:40,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:17:40,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-11-28 05:17:40,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:40,761 INFO L225 Difference]: With dead ends: 8492 [2024-11-28 05:17:40,762 INFO L226 Difference]: Without dead ends: 5590 [2024-11-28 05:17:40,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:40,767 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 55 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:40,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 333 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:40,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2024-11-28 05:17:40,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 5300. [2024-11-28 05:17:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5300 states, 5299 states have (on average 1.382902434421589) internal successors, (7328), 5299 states have internal predecessors, (7328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 7328 transitions. [2024-11-28 05:17:40,873 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 7328 transitions. Word has length 97 [2024-11-28 05:17:40,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:40,873 INFO L471 AbstractCegarLoop]: Abstraction has 5300 states and 7328 transitions. [2024-11-28 05:17:40,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 7328 transitions. [2024-11-28 05:17:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 05:17:40,874 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:40,875 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:40,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-28 05:17:40,875 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:40,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:40,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2063595932, now seen corresponding path program 1 times [2024-11-28 05:17:40,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:40,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209714214] [2024-11-28 05:17:40,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:40,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:41,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:41,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209714214] [2024-11-28 05:17:41,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209714214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:41,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:41,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:17:41,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999951884] [2024-11-28 05:17:41,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:41,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:17:41,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:41,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:17:41,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:17:41,239 INFO L87 Difference]: Start difference. First operand 5300 states and 7328 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:41,289 INFO L93 Difference]: Finished difference Result 5494 states and 7585 transitions. [2024-11-28 05:17:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:17:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-11-28 05:17:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:41,314 INFO L225 Difference]: With dead ends: 5494 [2024-11-28 05:17:41,314 INFO L226 Difference]: Without dead ends: 5492 [2024-11-28 05:17:41,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:17:41,317 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:41,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 764 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:41,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2024-11-28 05:17:41,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 5492. [2024-11-28 05:17:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 5491 states have (on average 1.3622291021671826) internal successors, (7480), 5491 states have internal predecessors, (7480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:41,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 7480 transitions. [2024-11-28 05:17:41,409 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 7480 transitions. Word has length 98 [2024-11-28 05:17:41,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:41,409 INFO L471 AbstractCegarLoop]: Abstraction has 5492 states and 7480 transitions. [2024-11-28 05:17:41,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 7480 transitions. [2024-11-28 05:17:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 05:17:41,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:41,410 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:41,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 05:17:41,411 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:41,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:41,411 INFO L85 PathProgramCache]: Analyzing trace with hash -777753176, now seen corresponding path program 1 times [2024-11-28 05:17:41,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:41,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635924605] [2024-11-28 05:17:41,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:41,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:41,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:41,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635924605] [2024-11-28 05:17:41,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635924605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:41,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:41,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:17:41,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467495310] [2024-11-28 05:17:41,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:41,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:17:41,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:41,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:17:41,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:17:41,699 INFO L87 Difference]: Start difference. First operand 5492 states and 7480 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:41,834 INFO L93 Difference]: Finished difference Result 10334 states and 14141 transitions. [2024-11-28 05:17:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:17:41,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-11-28 05:17:41,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:41,857 INFO L225 Difference]: With dead ends: 10334 [2024-11-28 05:17:41,857 INFO L226 Difference]: Without dead ends: 9124 [2024-11-28 05:17:41,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:17:41,862 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 642 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:41,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 740 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:17:41,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2024-11-28 05:17:41,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 6700. [2024-11-28 05:17:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6700 states, 6699 states have (on average 1.3625914315569487) internal successors, (9128), 6699 states have internal predecessors, (9128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:42,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6700 states to 6700 states and 9128 transitions. [2024-11-28 05:17:42,003 INFO L78 Accepts]: Start accepts. Automaton has 6700 states and 9128 transitions. Word has length 98 [2024-11-28 05:17:42,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:42,004 INFO L471 AbstractCegarLoop]: Abstraction has 6700 states and 9128 transitions. [2024-11-28 05:17:42,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand 6700 states and 9128 transitions. [2024-11-28 05:17:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 05:17:42,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:42,005 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:42,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-28 05:17:42,005 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:42,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:42,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1173003609, now seen corresponding path program 1 times [2024-11-28 05:17:42,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:42,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83991026] [2024-11-28 05:17:42,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:42,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:42,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:42,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83991026] [2024-11-28 05:17:42,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83991026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:42,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:42,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:17:42,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401639692] [2024-11-28 05:17:42,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:42,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:17:42,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:42,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:17:42,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:42,193 INFO L87 Difference]: Start difference. First operand 6700 states and 9128 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:42,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:42,255 INFO L93 Difference]: Finished difference Result 17400 states and 23654 transitions. [2024-11-28 05:17:42,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:17:42,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-28 05:17:42,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:42,283 INFO L225 Difference]: With dead ends: 17400 [2024-11-28 05:17:42,283 INFO L226 Difference]: Without dead ends: 10774 [2024-11-28 05:17:42,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:42,295 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 76 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:42,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 336 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:42,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10774 states. [2024-11-28 05:17:42,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10774 to 10068. [2024-11-28 05:17:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10067 states have (on average 1.3457832522101918) internal successors, (13548), 10067 states have internal predecessors, (13548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 13548 transitions. [2024-11-28 05:17:42,576 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 13548 transitions. Word has length 99 [2024-11-28 05:17:42,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:42,580 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 13548 transitions. [2024-11-28 05:17:42,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 13548 transitions. [2024-11-28 05:17:42,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 05:17:42,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:42,589 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:42,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-28 05:17:42,589 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:42,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:42,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1824588018, now seen corresponding path program 1 times [2024-11-28 05:17:42,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:42,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433526591] [2024-11-28 05:17:42,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:42,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:42,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:42,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433526591] [2024-11-28 05:17:42,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433526591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:42,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:42,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:17:42,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601601462] [2024-11-28 05:17:42,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:42,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:17:42,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:42,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:17:42,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:42,806 INFO L87 Difference]: Start difference. First operand 10068 states and 13548 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:42,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:42,889 INFO L93 Difference]: Finished difference Result 20064 states and 27018 transitions. [2024-11-28 05:17:42,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:17:42,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2024-11-28 05:17:42,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:42,915 INFO L225 Difference]: With dead ends: 20064 [2024-11-28 05:17:42,915 INFO L226 Difference]: Without dead ends: 10070 [2024-11-28 05:17:42,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:42,925 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 69 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:42,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 309 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:42,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10070 states. [2024-11-28 05:17:43,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10070 to 10068. [2024-11-28 05:17:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10067 states have (on average 1.3283003874043906) internal successors, (13372), 10067 states have internal predecessors, (13372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 13372 transitions. [2024-11-28 05:17:43,201 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 13372 transitions. Word has length 125 [2024-11-28 05:17:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:43,202 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 13372 transitions. [2024-11-28 05:17:43,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 13372 transitions. [2024-11-28 05:17:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 05:17:43,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:43,205 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:43,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-28 05:17:43,206 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:43,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:43,206 INFO L85 PathProgramCache]: Analyzing trace with hash -277387224, now seen corresponding path program 1 times [2024-11-28 05:17:43,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:43,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823900493] [2024-11-28 05:17:43,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:43,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:43,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:43,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823900493] [2024-11-28 05:17:43,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823900493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:17:43,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679803927] [2024-11-28 05:17:43,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:43,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:43,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:17:43,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:17:43,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:17:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:44,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 05:17:44,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:17:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 05:17:45,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:17:45,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679803927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:45,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:17:45,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-28 05:17:45,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982973249] [2024-11-28 05:17:45,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:45,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:17:45,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:45,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:17:45,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:17:45,189 INFO L87 Difference]: Start difference. First operand 10068 states and 13372 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:45,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:45,911 INFO L93 Difference]: Finished difference Result 30075 states and 39979 transitions. [2024-11-28 05:17:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:17:45,912 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2024-11-28 05:17:45,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:45,945 INFO L225 Difference]: With dead ends: 30075 [2024-11-28 05:17:45,945 INFO L226 Difference]: Without dead ends: 20075 [2024-11-28 05:17:45,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2024-11-28 05:17:45,956 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 420 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:45,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 594 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:17:45,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20075 states. [2024-11-28 05:17:46,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20075 to 10068. [2024-11-28 05:17:46,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10067 states have (on average 1.3282010529452668) internal successors, (13371), 10067 states have internal predecessors, (13371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 13371 transitions. [2024-11-28 05:17:46,207 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 13371 transitions. Word has length 125 [2024-11-28 05:17:46,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:46,207 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 13371 transitions. [2024-11-28 05:17:46,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:46,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 13371 transitions. [2024-11-28 05:17:46,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 05:17:46,210 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:46,210 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:46,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:17:46,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:46,415 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:46,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:46,416 INFO L85 PathProgramCache]: Analyzing trace with hash -808198610, now seen corresponding path program 1 times [2024-11-28 05:17:46,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:46,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189391956] [2024-11-28 05:17:46,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:46,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:47,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:47,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189391956] [2024-11-28 05:17:47,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189391956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:17:47,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354541912] [2024-11-28 05:17:47,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:47,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:47,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:17:47,111 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:17:47,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:17:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:47,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:17:47,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:17:47,780 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 05:17:47,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:17:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 05:17:48,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354541912] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:17:48,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:17:48,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 17 [2024-11-28 05:17:48,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873505505] [2024-11-28 05:17:48,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:17:48,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 05:17:48,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:48,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 05:17:48,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:17:48,433 INFO L87 Difference]: Start difference. First operand 10068 states and 13371 transitions. Second operand has 17 states, 17 states have (on average 21.470588235294116) internal successors, (365), 17 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:51,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:51,184 INFO L93 Difference]: Finished difference Result 56360 states and 74878 transitions. [2024-11-28 05:17:51,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-28 05:17:51,185 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 21.470588235294116) internal successors, (365), 17 states have internal predecessors, (365), 0 states have call successors, (0), 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 127 [2024-11-28 05:17:51,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:51,255 INFO L225 Difference]: With dead ends: 56360 [2024-11-28 05:17:51,255 INFO L226 Difference]: Without dead ends: 46366 [2024-11-28 05:17:51,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1690 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=817, Invalid=4733, Unknown=0, NotChecked=0, Total=5550 [2024-11-28 05:17:51,270 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 3364 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3364 SdHoareTripleChecker+Valid, 1744 SdHoareTripleChecker+Invalid, 1752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:51,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3364 Valid, 1744 Invalid, 1752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 05:17:51,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46366 states. [2024-11-28 05:17:51,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46366 to 36726. [2024-11-28 05:17:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36726 states, 36725 states have (on average 1.3169775357385978) internal successors, (48366), 36725 states have internal predecessors, (48366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36726 states to 36726 states and 48366 transitions. [2024-11-28 05:17:52,064 INFO L78 Accepts]: Start accepts. Automaton has 36726 states and 48366 transitions. Word has length 127 [2024-11-28 05:17:52,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:52,064 INFO L471 AbstractCegarLoop]: Abstraction has 36726 states and 48366 transitions. [2024-11-28 05:17:52,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 21.470588235294116) internal successors, (365), 17 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:52,064 INFO L276 IsEmpty]: Start isEmpty. Operand 36726 states and 48366 transitions. [2024-11-28 05:17:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-28 05:17:52,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:52,069 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:52,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:17:52,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:52,272 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:17:52,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:52,273 INFO L85 PathProgramCache]: Analyzing trace with hash -394872366, now seen corresponding path program 1 times [2024-11-28 05:17:52,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:52,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240535981] [2024-11-28 05:17:52,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:52,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:53,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:53,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240535981] [2024-11-28 05:17:53,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240535981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:17:53,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485760046] [2024-11-28 05:17:53,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:53,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:53,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:17:53,414 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:17:53,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:17:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:53,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:17:53,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:17:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:55,064 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:17:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:17:57,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485760046] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:17:57,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:17:57,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 28 [2024-11-28 05:17:57,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282103055] [2024-11-28 05:17:57,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:17:57,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 05:17:57,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:57,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 05:17:57,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-11-28 05:17:57,197 INFO L87 Difference]: Start difference. First operand 36726 states and 48366 transitions. Second operand has 29 states, 29 states have (on average 11.413793103448276) internal successors, (331), 28 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:01,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:01,136 INFO L93 Difference]: Finished difference Result 246464 states and 326756 transitions. [2024-11-28 05:18:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-28 05:18:01,137 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 11.413793103448276) internal successors, (331), 28 states have internal predecessors, (331), 0 states have call successors, (0), 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 128 [2024-11-28 05:18:01,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:01,475 INFO L225 Difference]: With dead ends: 246464 [2024-11-28 05:18:01,476 INFO L226 Difference]: Without dead ends: 214649 [2024-11-28 05:18:01,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1043, Invalid=4213, Unknown=0, NotChecked=0, Total=5256 [2024-11-28 05:18:01,531 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 1986 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 2548 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 2195 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:01,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 2195 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2548 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 05:18:01,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214649 states. [2024-11-28 05:18:03,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214649 to 87561. [2024-11-28 05:18:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87561 states, 87560 states have (on average 1.3152124257651896) internal successors, (115160), 87560 states have internal predecessors, (115160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87561 states to 87561 states and 115160 transitions. [2024-11-28 05:18:03,765 INFO L78 Accepts]: Start accepts. Automaton has 87561 states and 115160 transitions. Word has length 128 [2024-11-28 05:18:03,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:03,765 INFO L471 AbstractCegarLoop]: Abstraction has 87561 states and 115160 transitions. [2024-11-28 05:18:03,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 11.413793103448276) internal successors, (331), 28 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 87561 states and 115160 transitions. [2024-11-28 05:18:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-28 05:18:03,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:03,773 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:03,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:03,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:03,978 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:18:03,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:03,979 INFO L85 PathProgramCache]: Analyzing trace with hash -737435612, now seen corresponding path program 1 times [2024-11-28 05:18:03,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:03,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056217652] [2024-11-28 05:18:03,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:03,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:04,943 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:04,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:04,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056217652] [2024-11-28 05:18:04,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056217652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:04,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173283669] [2024-11-28 05:18:04,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:04,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:04,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:04,946 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:04,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:18:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:05,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:18:05,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:06,000 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:18:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:07,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173283669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:18:07,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:18:07,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2024-11-28 05:18:07,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821190438] [2024-11-28 05:18:07,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:18:07,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-28 05:18:07,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:07,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-28 05:18:07,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:18:07,967 INFO L87 Difference]: Start difference. First operand 87561 states and 115160 transitions. Second operand has 28 states, 28 states have (on average 11.464285714285714) internal successors, (321), 27 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:09,666 INFO L93 Difference]: Finished difference Result 302730 states and 396292 transitions. [2024-11-28 05:18:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 05:18:09,667 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 11.464285714285714) internal successors, (321), 27 states have internal predecessors, (321), 0 states have call successors, (0), 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 128 [2024-11-28 05:18:09,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:09,894 INFO L225 Difference]: With dead ends: 302730 [2024-11-28 05:18:09,894 INFO L226 Difference]: Without dead ends: 221752 [2024-11-28 05:18:09,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=470, Invalid=1600, Unknown=0, NotChecked=0, Total=2070 [2024-11-28 05:18:09,966 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 1499 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1499 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:09,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1499 Valid, 1402 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:18:10,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221752 states. [2024-11-28 05:18:13,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221752 to 187363. [2024-11-28 05:18:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187363 states, 187362 states have (on average 1.304175873442854) internal successors, (244353), 187362 states have internal predecessors, (244353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:14,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187363 states to 187363 states and 244353 transitions. [2024-11-28 05:18:14,101 INFO L78 Accepts]: Start accepts. Automaton has 187363 states and 244353 transitions. Word has length 128 [2024-11-28 05:18:14,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:14,102 INFO L471 AbstractCegarLoop]: Abstraction has 187363 states and 244353 transitions. [2024-11-28 05:18:14,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.464285714285714) internal successors, (321), 27 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 187363 states and 244353 transitions. [2024-11-28 05:18:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 05:18:14,111 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:14,111 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:14,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 05:18:14,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-28 05:18:14,311 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-28 05:18:14,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:14,312 INFO L85 PathProgramCache]: Analyzing trace with hash -154522417, now seen corresponding path program 1 times [2024-11-28 05:18:14,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:14,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336202667] [2024-11-28 05:18:14,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:14,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:15,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:15,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336202667] [2024-11-28 05:18:15,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336202667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:15,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258442007] [2024-11-28 05:18:15,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:15,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:15,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:15,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:15,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c73407-c1e0-441b-ba15-7f567c00bca4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:18:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:15,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 05:18:15,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:17,203 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:18:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:20,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258442007] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:18:20,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:18:20,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 16] total 41 [2024-11-28 05:18:20,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550049300] [2024-11-28 05:18:20,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:18:20,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-28 05:18:20,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:20,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-28 05:18:20,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1520, Unknown=0, NotChecked=0, Total=1722 [2024-11-28 05:18:20,243 INFO L87 Difference]: Start difference. First operand 187363 states and 244353 transitions. Second operand has 42 states, 42 states have (on average 8.452380952380953) internal successors, (355), 41 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:19:12,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:12,068 INFO L93 Difference]: Finished difference Result 1935489 states and 2527347 transitions. [2024-11-28 05:19:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 383 states. [2024-11-28 05:19:12,069 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 8.452380952380953) internal successors, (355), 41 states have internal predecessors, (355), 0 states have call successors, (0), 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 129 [2024-11-28 05:19:12,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:15,331 INFO L225 Difference]: With dead ends: 1935489 [2024-11-28 05:19:15,331 INFO L226 Difference]: Without dead ends: 1766672 [2024-11-28 05:19:16,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 421 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73671 ImplicationChecksByTransitivity, 38.5s TimeCoverageRelationStatistics Valid=20392, Invalid=158114, Unknown=0, NotChecked=0, Total=178506 [2024-11-28 05:19:16,583 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 8104 mSDsluCounter, 7894 mSDsCounter, 0 mSdLazyCounter, 10407 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8104 SdHoareTripleChecker+Valid, 8277 SdHoareTripleChecker+Invalid, 10559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 10407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:16,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8104 Valid, 8277 Invalid, 10559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [152 Valid, 10407 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2024-11-28 05:19:17,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766672 states.